BBC ProComp Aluminum Cylinder Heads 300 Runner Assembled - Item # PCM 3021-396C. Cast from A356 aluminum and heat-treated to T6 specifications. Pro Action Bare Aluminum Cylinder Heads (25) Pro Action Pre Assembled Aluminum Cylinder Heads (53) Pro Elite Cylinder Heads (20) Pro-Port Raw Cylinder Heads (21) SBC (5) SBF (1) Victor Jr. The second of the true as-cast heads, the oval-ports from Procomp Electronics. OEM bbc heads Engine Building, Hi Performance. The intake ports are refered to as "rectangular" in the business. The second of the true as-cast heads, the oval-ports from Procomp Electronics. Find the best aluminum bowtie street cylinder heads for your big block engine from Chevrolet Performance. Find great deals on eBay for bbc aluminum heads and bbc used aluminum heads. Rectangular intake ports are larger in volume and are designed to enhance high-RPM horsepower. 880", Bare Castings. Click here for more details or check out the August 2012 issue of Super Chevy Magazine. I got to dyno test the final 565-ci build that used these heads. Will fit 1965-90 oval port heads. Big Block Chevy V-8 Casting Numbers. Pro Comp Aluminum Cylinder Heads are a great choice for an out of the box horse power upgrade for your Big Block Chevy. AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. These heads should be torqued to 65ft. Click here for more details or check out the August 2012 issue of Super Chevy Magazine. 99 Ford Performance Parts. So my question is which heads do I use? The 290's or 063's? The car sees the dragstrip a good bit but never sees over 6500 rpm which is why I have oval ports. Independent flow bench testing shows over 400 cfm with 2. He is a dealer for both AFR and Brodix, so he can get you a deal. Bbc - Classifieds in Pensacola, FL: BBC oil pan, BBC Dart intake, Cross Ram intake bbc, BBC GEN IV, BBC Heads 1966 Oval Port. Brodix 351/365 Oval Port Big Block Chevy Cylinder Heads, Priced From: $3,695 Custom Built by Shafiroff Race Engines and Components. Of course “some work” is a relative term and one could easily spend more than what an assembled set of Merlins cost and not realize the same performance. port heads? And if any of the three will not work on a Gen IV block. They would be great for any BBC street machine! …$700 plus shipping: Keywords: BBC Chevy 292 454 oval-port: Location (City. Traco Ported Big Block Chevy Rectangular Port Heads 3964291 Vintage Racing Sweet For Sale Online 15100116 Iron Eagle Bbc 308121. Designed for competition 396-502 Big Block Chevy's #2902 fits rectangular-port heads and #2904 fits large oval-port heads (1975-earlier) These intakes are designed to optimize the flow characteristics of an 850 CFM standard flange carburetor Features include extended runner dividers, smaller plenum chambers and unique runner design for max. AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. For a driver or street/strip application with a smaller engine, late '60s 396/427 oval port/open chamber heads are the hot lick. The CFE 14 degree Spread-Port head is perhaps the most diverse of any of our Pro Stock style cylinder heads. 730 or more and match port the intake and headers. Edelbrock Part # 2161 Performer 2-O intake manifold is designed for street 396-502 c. AFR heads are available bare (without parts), call our tech line for details. There were no original Mark IV oval-port aluminum heads from the factory Oval-port heads are found on trucks and passenger cars from 1965 through 1990 and they are an excellent choice for street performance applications. Race-Rite Big Block Series / 26 degree cylinder head bolts directly in place of stock cast iron heads allowing reuse of the intake manifold and pistons. Flow data based on Cylinder #1 intake and exhaust port. Big Block Chevy heads are popular for truck pulling, off-road and restorations. Dual Plane Manifolds About Us. Edelbrock Heads The Edelbrock Performer RPM oval ports are an interesting mix within the collection of aftermarket aluminum oval-port heads. Free Shipping by Amazon. JWT Automotive: Chevy Intake Manifold Casting Numbers Hot Rodding and Muscle car Technical information. Cylinder heads with oval intake ports are smaller in volume and designed for greater low-RPM torque. They are 781 castings, oval port, with extensive bowl work, porting, CC'd, and gasket matching. AFR heads are available bare (without parts), call our tech line for details. Due to application, please email for a price quote. A totally unique intake port design yields flow numbers traditionally associated with high performance rectangular port heads, but with the smaller runner size and velocity of an oval port. ported cylinder heads for the high performance motorsports industry. So my question is which heads do I use? The 290's or 063's? The car sees the dragstrip a good bit but never sees over 6500 rpm which is why I have oval ports. WELD TECH is the recognized leader in TOTALLY C. Its money and they will build you anything. BuyAFR AFR 265cc Oval Port Magnum BBC [3610] - AFR 265cc Oval Port Magnum BBC Small Port, High Velocity, Torque Monster Click to enlarge Want to wake up the Big Block in your favorite tow vehicle? AFR's partially CNC ported 265cc high velocity oval port is just the ticket!. The Low Down On BBC Heads square' port cast iron and aluminum cylinder heads are strictly for high-performance use. I can get them for 800 and they are fresh. With some work, stock oval port heads will work well if on a budget. port heads? And if any of the three will not work on a Gen IV block. bbc 454 496 alum heads 118cc chamber 330cc runner hyd. I have for sale a set of good used, recently removed BBC oval port cylinder heads. I'm planning on redoing the top end of my 402 bbc, cam, heads etc. View Details. Please contact me with any questions you may have. As you probably surmised, Trick Flow also makes aluminum cylinder heads for big block Chevys, ranging from street-oriented oval port castings to the subject of our little expose, the BBC R-Series. aluminum pro-comp big block chevy heads. Dart Machinery, LTD. Call Joe @(865) 573-9151 for more information. If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations Page 1 and Page 2. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro-Stock champion for four decades. Can you or someone tell me the valve size, Intake, exhaust and combustion chamber CC on the folowing rec. a good port job will flow 90 percent from the flow bench,with a high lift cam say. Changing to 502 oval aluminum heads, and was going to use this intake. Our user id is: skipwhite, and our store name is whiteperformance1. 400 3×2 L-68, oval port: 3919849: 1968: 427: 390 L-36, oval port, Qjet Ford Y Block Block Casting Numbers;. Oem Gm 3919840 Big Block Chevy Rectangular Port Heads 396 427 Closed Chamber Bbc. There were no original Mark IV oval-port aluminum heads from the factory Oval-port heads are found on trucks and passenger cars from 1965 through 1990 and they are an excellent choice for street performance applications. New, Used and OEM Automotive Parts - Large Inventory - Great Prices Big Block Bbc Chevy 454 496 300cc Oval Port Aluminum. There are a number of quality aftermarket heads (both cast iron and aluminum) to choose from. intake valves 2. They offer the largest intake-port volume of 290 cc. fits DART "360" heads : $162. V8 PERFORMANCE. Big Block Chevy heads are popular for truck pulling, off-road and restorations. John Sevier Hwy Knoxville. 396 Chevy Big Block V8 Cylinder Heads in-stock with same-day shipping. 50 You save $124. Pro Comp Aluminum Cylinder Heads are a great choice for an out of the box horse power upgrade for your Big Block Chevy. 030 over from the factory. Yes i have heard plenty of bad things about thier products, and many things about thier sbc heads, but i never heard any bad or good about the bbc heads. Big Block Chevy V-8 Casting Numbers. Please call for more info. You can't build one for this price. 510" on the intake and. 708" lift, 110° LSA. Its BBC oval-port heads qualify on both counts, as the as-cast aluminum heads maximized airflow and minimized cost. If a vehicle was ordered with as "high-performance" with a big block, that engine received rectangular-port heads. Hopefully in the future we can get some before and after pics. Oval port heads are best for street applications where lots of bottom-end off-the-line power is desired. No matter what you're driving, we have the right Bbc Aluminum Heads for your automobile. Kit includes: Dart Big Chief or Pro-FIler Intake, Dart Big Chief 14° & 18°, Big Duke 18° or Pro Filer 12° Heads, Jessel Shaft Rockers, Aluminum Sheet Metal Valve Covers, Cyl Head Stud Set, Wiseco / JE Pistons, Speed Pro Rings, Clevite Bearings, Custom Ground Camshaft (4/7 swap), Comp Cams Lifter Set,. 119CC OPEN CHAMBER combustion chambers, 305CC intake. Cylinder Heads (39) Victor Series Cylinder Heads (42) More. and torque within this rpm range will be lower with the large ovals. Cylinder Head Videos; Cylinder Head Resources. Crate Motor Parts ‘602 Crate ‘603 Crate. Also they must be steel heads. For the uninitiated, peanut port refers to the small, oval-port heads used on the Gen-V 454 truck motors run prior to the introduction of the Gen VI in 1996. These heads should be torqued to 65ft. 88 Heads And. Pace Performance offers the best pricing on products offered by Chevrolet Performance Parts. It has the following goodies on it: Edelbrock performer aluminum heads (110 cc) oval port, Comp cam magnum flat tappet cam CB 292 550/550, comp cam aluminum roller rockers 1. using 30wt. But, the larger volume of the rectangular ports can be detrimental on a street engine, as the design produces slower velocities at low speeds. 19 intake valve and the 990s flow better at high lift. 454 BBC 781 cylinder heads oval port Cambridge 27/10/2019 I am selling pair of 781 heads oval port off 454 big block Chevy came off good running engine with low KM no issues no leaks or smoke $400 or best offer. AFR heads are available bare (without parts), call our tech line for details. Bbc Oval Port Heads Spring and summer season is a time of change and clean slates. do NOT contact me with unsolicited services or offers. 5:1 CR, has ported AFR Oval port heads and a solid roller cam, 268°/271° @. The 305 Oval Port Aluminum Heads are our all a round performance heads for the BB Chevy. 880", Bare Castings. Sort By View; 12 Bowtie Oval-Port Aluminum Cylinder Head Assembly. Our Dyno and Track proven heads make BIG power. 10051128 and Stock BBC heads. 1-16 of 336 results for "Bbc Aluminum Heads" Skip to main search results Amazon Prime. Looking for Chevy casting numbers ? This is a very complete list of numbers to help identify your Chevy engine block, heads and crankshaft. BRODIX is happy to introduce its new line of Race-Rite 24° cylinder heads. Our user id is: skipwhite, and our store name is whiteperformance1. Oldsmobile Aluminum Heads And Air Gap Intake Complete Ultimate Top End Kit 400,4 Intake Bbc Rpm Air Gap. My goal is a 425 - 450 HP big block. 700" lift and is the ultimate street/race weapon without having to step up to a rectangular port design. Give us a call to see what we can do for you. 37 inches will also require an oversized head gasket. 60 - Angle. PW Heads set the standard in performance aluminum cylinder heads. Home Product Big Block Chevy, Heads, PRO1 PRO1 24° 275cc Oval Port. These heads are fully CNC ported and have our priority racing valve job. They where on my 496 Mark IV Big Block and ran good. They offer the largest intake-port volume of 290 cc. using high pressure moly lube or 70ft. 25 intake valves and 1. View: Chevy Big Block BBC Aluminum Cylinder Head - 396 427 454 502 - 320cc oval ports free shipping GM LS1 Cylinder Heads Cathedral Port 210cc. 640 Roller Springs, Titanium Retainers Race Ready $2995. I plan on going to a slightly more agressive prifile on the cam, 2" hooker comp headers and of course the better oval port heads. I believe they may be the 269 intakes. Brodix RR BB-O Oval Port Cylinder Heads Now with MANLEY Valves. 10051128 and Stock BBC heads. BBC ProComp Aluminum Cylinder Heads 300 Runner Assembled - Item # PCM 3021-396C. Dart 370 Race Series CNC FULL PORT Aluminum Heads for Big Block Chevy Push Rod Guide Plate Dart BBC. Cylinder heads with oval intake ports are smaller in volume and are designed for greater low-rpm torque. Edelbrock Performer RPM High Compression Oval Port Cylinder Heads These oval port heads are similar to the ones above with 100cc semi-open combustion chambers created by angle milling at a 1. Welcome to the brotherhood of 625HP on pump gas with over 640#/ft. sbc chevy assembled aluminum heads 64cc 200cc wpm-s-583: afr 210/65cc sbc fully ported cnc heads setup for hyd roller: afr 220/75cc sbc fully ported cnc heads setup for hyd roller: bbc 454 496 alum heads 118cc chamber 330cc runner hyd. 305cc intake runner. A 402 does not have the displacement to build any velocity through a port that size. 080 Chome Moly Pushrods, Complete Gasket Set. These are pictures of work we have done for customers. Product Description. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC RPM Big-Block Chevy Oval Port Cylinder Head Hydraulic Flat. FLOTEK is a leading brand of aluminum high-performance cylinder heads. I would like to run iron, but my hearts not set on running iron, i just know i can pick up a set cheaper than aluminum. 5AL - 1/2" tall Aluminum Super Sucker Carb Spacer for 4150 series carbs. BBC Big Chief II 11* 440cc/185cc Oval. This was bad advice as there is noway a set of oval port edelbrock heads will ever be machined to match a rectangular intake. 396 Chevy Big Block V8 Cylinder Heads in-stock with same-day shipping. The material is just not there. The intake ports are refered to as "rectangular" in the business. BBC-OVAL-274 Complete Aluminum Cylinder Heads BBC Chevy 454 320cc 115cc 2. BRODIX is happy to introduce its new line of Race-Rite 24° cylinder heads. 550'' Hydraulic Roller Dual Valve SpringAssembledSold in Pairs, 2/pkg. I believe they may be the 269 intakes. Air Flow Detail #174 BBC Sniper Head - 320cc Runner. 40 : 5290 : BBC Tall Deck Spacer Kit - replacement end-plates -. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. Cast from A356 aluminum and heat-treated to T6 specifications. hi there,im in need of a good set of 781 large oval port,open chamber heads,is the guy with the bbc motor 454 for British Columbia Telegraph Cove Car parts More info Price: $12,345 need 781 bbc heads. Information On Car and Truck Repair, Parts and Services New, Used and OEM Automotive Parts For Do It Yourself Car and Truck Repair. The 300cc oval port cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers; our 300cc oval port flows 388 CFM at 0. BUILT TO ORDER ASSEMBLED IN HOUSE. Current aftermarket oval-port heads (like the AFR 265s tested here) not only match or exceed the flow offered by a set of stock rectangular-port heads, they do so with considerably less port. 88" exhaust valve. I installed a set of the 350-cc port heads in out-of-the-box form on a mule engine. Need room in shop it’s in the way. 37 inches will also require an oversized head gasket. Ill more than likely pass on these heads and will be doing some more research. SBC Brodix Oval Port Manifold SBC Brodix Oval Port 229cc Aluminum Heads: We do not sell parts. They even offer a set of RPM, oval-port heads with small (102cc) chambers to maximize the static compression on these low-compression, flat-top piston, factory big-blocks. Use your cylindrical carbide bit to cut this white ring away. Our MAGNUM line of cylinder heads for the big block Chevy are available in Oval Port designs with runner volumes of 265cc, 290cc, and 300cc or Rectangular Ports with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc runners. Locate the World cylinder head identification castings. 50 (10%) FREE SHIPPING WICKED MOTOR SPORTS 305 cc BB CHEVY ALUMINUM HEADS WMS. 05" Int Port Location: Stock Intake Gasket: Fel Pro 1210 Exh Valve Dia. AFR 290cc Oval Port "Magnum" BBC Head Our Medium Sized Oval Port. Donovan 500 454 Bbc Aluminum Block Brand New 10. Find the best aluminum bowtie street cylinder heads for your big block engine from Chevrolet Performance. 19 intake, 1. FILTER PRODUCTS. These new 24° heads are available in an oval or rectangular port. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Bbc Oval Port Heads Spring and summer season is a time of change and clean slates. Brodix 351/365 Oval Port Big Block Chevy Cylinder Heads, Priced From: $3,695 Custom Built by Shafiroff Race Engines and Components. OEM bbc heads Engine Building, Hi Performance. CFE 14 Degree Spreadport BBC. Indeed, some heads are termed oval, such as the Edelbrock E-Street and Performer RPM with their 290-cc ports, but in fact, they are more like a. I would not put even the 305 CC AFRs on a 402. 550'' Hydraulic Roller Dual Valve SpringAssembledSold in Pairs, 2/pkg. Call Dart and Brodix. Afr Bbf 295cc Bullitt Cylinder Heads Raised Exhaust Big Block Ford 75cc 3823. I have heard of them but never head of them running so wasn't sure about them. The Race Rite 270cc oval port is the answer for less hassle during installation. In cases where you have a decent port job on a set of iron heads it is possible to bolt on a set of out-of-the box aluminum heads and lose power. edelbrock performer rpm bbc intake manifold | oval port heads | dual plane | standard deck | natural aluminum. I had a peripheral hand in helping out with this high-effort street engine build. AD Performance Iron Eagle Platinum SBC 215cc Port Cylinder Heads [10510020P] - Iron Eagle SBC 215cc Port Cylinder Heads Small Block Chevy - 215cc Runner, available assembled or bare, 49cc, 64cc or 72cc chambers (please specify), angle or straight plug (Please scroll down for all available options) All Iron Heads are DART's New Platinum Series cylinder heads!. All World heads have a World casting mark. 454 BBC 781 cylinder heads oval port Cambridge 27/10/2019 I am selling pair of 781 heads oval port off 454 big block Chevy came off good running engine with low KM no issues no leaks or smoke $400 or best offer. Will not fit under hood of Corvette without hood modifications. Will not fit "tall block" V8's. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. When I started this Web site back in 1996 there wasn't much information about big block Chevy engines on the Web, so I decided to create this page. Wanted: 454 BBC Aluminum intake manifold Large oval port heads Edelbrock or other Call Butch show contact info. Intake Manifold - All conventional manifolds will bolt right up (Some port matching may be required). Cast# 14096188 Cast# 14097088 Cast#6272990 Any help would be great. No matter what you're driving, we have the right Bbc Oval Port Heads for your vehicle New and Used Automotive Parts and Accessories On Sale. 346236 Matched Date Pair Bbc Oval Port 402 454 Cylinder Heads. THE TRUCK PULLERS DREAM AND THE "MAC DADDY" OF IRON HEADS. Pro Filer Sniper Big Block Chevy Heads with 320cc Intake Runner, 2. This is a stock 26 degree valve angle, 270cc oval port that bolts directly in place of stock cast iron heads allowing the reuse of the intake manifold and pistons. The CFE 14 degree Spread-Port head is perhaps the most diverse of any of our Pro Stock style cylinder heads. and torque within this rpm range will be lower with the large ovals. 030040-2 - World Products - Merlin 24 Degree BBC Iron Head - 269cc Intake Port, 119cc Chamber, 2. John Sevier Hwy Knoxville. Cylinder Heads (39) Victor Series Cylinder Heads (42) More. Cylinder Head, BBC, Performer RPM Oval Port, 100CC, Complete, Single. I am thinking of using a big block Chevy rectangle port intake manifold on a set of aluminum Edelbrock heads that have big oval ports. you put an oval port head on that motor and it will be done by 5000-5500 dont waste money on old 781 heads when you can get aluminum for a little bit more. This process will enhance exhaust gas expansion into the manifold and increase port flow. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro-Stock champion for four decades. In an effort to decide whether aftermarket aluminum heads are the best approach for my purposes, of if the stock heads can be modified with reasonable su. Speedway Big Block Chevy Aluminum Dual Plane Intake, Oval Port made by Speedway Motors, for as low as $189. flat tapp: bbc 454 496 alum heads 118cc chamber 330cc runner solid roller: bbc 454 496 alum heads 118cc chamber 330cc runner hyd. Looking at 353049's and 336781's. Also they must be steel heads. 99 Ford Performance Parts. Eligible for Free Shipping. Bbc - Classifieds in Pensacola, FL: BBC oil pan, BBC Dart intake, Cross Ram intake bbc, BBC GEN IV, BBC Heads 1966 Oval Port. In some cases, we may offer 2 different CNC ported versions such as our Stage 3 ported LA or magnum Edelbrock heads, and the BigMouth heads with pushrods moved over to widen the port at the pushrod restriction and increase the port volume. flat tapp: $875. It looks like these heads came off of the LS5 BBC. Edelbrock, Holley, Offenhuaser, Chevy, etc. Examples of Gains With My Porting. on pump gasoline. 900" bore spacing T = Tall deck Oval includes both "peanut" (also called "round") ports and large oval ports We would like to thank everyone that has contributed to the data provided on this site. 7:1 aluminum roller rockers. For use with '65-'00 396, 402, 427, and 454s with general duty oval port heads. Bite me I ordered the rectangular intake per your advice thinking I could port my Edelbrock Oval Port aluminum heads to match. Use your cylindrical carbide bit to cut this white ring away. BBC ProComp Aluminum Cylinder Heads 300 Runner Assembled - Item # PCM 3021-396C. Pistons: Uses Standard BBC Pistons Head Bolts/Studs: Requires 1" longer head bolt next to exhaust ports. Dart’s Pro 1 series of aluminum heads are the streetoriented castings that combine excellent intake and exhaust port designs to create some of the best small-block heads in the business. Reher-Morrison′s Spread Port Cylinder Head Conversion Kits come complete with all the necessary components required to convert your Big Block Chevy engine. Please contact me with any questions you may have. Big Block Chevy heads are popular for truck pulling, off-road and restorations. Com and get free shipping. FILTER PRODUCTS. Im putting them on a flattop 496 with boost. More "pedestrian" engines (read passenger car and truck), received the oval-port cylinder heads. 1488 heads work well with our PCE349. So my question is which heads do I use? The 290's or 063's? The car sees the dragstrip a good bit but never sees over 6500 rpm which is why I have oval ports. Big Block Chevy V-8 Casting Numbers. NEW from Edelbrock - E-Street™ 290 - Oval Port for B/B Chevy. 7:1 aluminum roller rockers. ProMaxx Performance 9227A 225 Series Aluminum Cylinder Heads Small Block Chevy. Free Shipping by Amazon. With some work, stock oval port heads will work well if on a budget. Edelbrock Heads The Edelbrock Performer RPM oval ports are an interesting mix within the collection of aftermarket aluminum oval-port heads. you put an oval port head on that motor and it will be done by 5000-5500 dont waste money on old 781 heads when you can get aluminum for a little bit more. These heads are fully CNC ported and have our priority racing valve job. Copper beryllium seats are additional cost. FILTER PRODUCTS. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible. Holley® has been the undisputed leader in fuel systems for over 100 years. We offer a variety of Bbc Oval Port Heads for your automotive needs. I have a pair of bbc oval port heads off my 454. BIG BLOCK BBC CHEVY 454 496 300cc OVAL PORT ALUMINUM HEADS ASSEM. I installed a set of the 350-cc port heads in out-of-the-box form on a mule engine. Air Flow Detail #174 BBC Sniper Head - 320cc Runner. If you have built your teenage dream car and put AFR oval ports on it than there is no doubt this is the cam for you. Both of these heads will require the use of new cylinder-head bolts (GM# 12367779), and blocks with a bore diameter over 4. Eligible for Free Shipping. Use your cylindrical carbide bit to cut this white ring away. Also they must be steel heads. Gm 6272292 Bbc Oval Port Bare Cast Iron Cylinder Heads, Dated L-14-1971, Pair. 250 INTAKE AND 1 88 EXH 305 CC INTAKE RUNNER AND 119 CC CHAMBER. 37 inches will also require an oversized head gasket. you put an oval port head on that motor and it will be done by 5000-5500 dont waste money on old 781 heads when you can get aluminum for a little bit more. big block chevy bbc weiand 7544 intake manifold oval port. Examples of Gains With My Porting. These heads are best for vehicles that see frequent drag-strip action. I can get them for 800 and they are fresh. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. and torque within this rpm range will be lower with the large ovals. They are 781 castings, oval port, with extensive bowl work, porting, CC'd, and gasket matching. Current aftermarket oval-port heads (like the AFR 265s tested here) not only match or exceed the flow offered by a set of stock rectangular-port heads, they do so with considerably less port. and pair chrome valve covers w/gaskets. Just make sure when you say Hi to the RPM heads, you choose the proper components, as Edelbrock offers their top-end upgrades for both flat-tappet and hydraulic roller cams. Home Product Big Block Chevy, Heads, PRO1 PRO1 24° 275cc Oval Port. Including 19331425 - Complete Oval Port Aluminum Head 2. Blend the area about an inch into the intake port. With some work, stock oval port heads will work well if on a budget. Top Quality Custom Built Engines. stands behind each product we manufacture 100%. Re: BBC large oval port heads Check out the boys at Chief marine engines. Im putting them on a flattop 496 with boost. 880", Bare Castings. The Race Rite 270cc oval port is the answer for less hassle during installation. Our MAGNUM line of cylinder heads for the big block Chevy are available in Oval Port designs with runner volumes of 265cc, 290cc, and 300cc or Rectangular Ports with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, 377cc and 385cc runners. Aluminum Olds/Chevy DRCE 3 "Pro Stock" for blocks with 4. Cylinder heads with oval intake ports are smaller in volume and are designed for greater low-rpm torque. 25 intake valves and 1. - 3/8 push rod guides installed (have 7/16 guides go with heads if wanted) I had these on my car for about 1K miles, they ran GREAT! I now have a set of Aluminum heads I want to use. Aluminum oval-port heads and matching high-flow aluminum oval-port intake are paired with an 870-cfm carburetor. Dart 275 Oval BBC Aluminum Marine Cylinder Head Part# 19000010M, 19000070M Oval Port Dart 6. found out too late that due to the shape of the combustion chamber (next to the exhaust valve) that the gasket generally used for the engines (such as fel-pro 1047) protrudes into the combustion chamber. 88-inch valves. nice big block 454 with big oval port heads custom ground comp cams solid roller cam for maximum torque on the street!! about 10k on rebuild. Both of these heads will require the use of new cylinder-head bolts (GM# 12367779), and blocks with a bore diameter over 4. No matter what you're driving, we have the right Bbc Oval Port Heads for your vehicle New and Used Automotive Parts and Accessories On Sale. measurements of EXHAUST PORTS 1. CFE 18 Degree Spreadport BBC. as they say in hotrodding and breast surgery: "There's no replacement for displacement" while I see lots of potential in the ls series the displacement and head flows limited copmpared to the BBC ,ID also point out that you can now purchase complete aluminum block aquiped BBC engines up to about 572-605 steel blocks up to 704 cid displacement from several suppliers, and hp levels exceeding 800. The 300cc oval port cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers; our 300cc oval port flows 388 CFM at 0. Chevy Top End Kit 396 427 454 496 502 BBC Aluminum Heads oval port 540 750 lift. made from 73-85 118cc open chamber 256/114cc ports. An As Cast head that is just as efficient as competition's CNC ported pieces. unit is used, has been port matched internally to stock gaskets and to standard Fel-Pro oval port intake gasket. 37 inches will also require an oversized head gasket. Hence these heads are up for sale. Afr Bbf 295cc Bullitt Cylinder Heads Raised Exhaust Big Block Ford 75cc 3823. BBC Tall Deck Spacer Kit - DART "360" heads - BILLET ALUM. We offer the heads with ductile seats and replaceable bronze drive-in step guides. Valve size will increase appropriately with port size. Weiand Hi-ram Tunnel Ram Intake Manifold 1981 Bbc Fits Oval Port Heads. 200" deck height. This is our first aluminum Pontiac head casting that we have brought to the marketplace. If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations Page 1 and Page 2. Has complete GM harness and all sensors and standard used injectors (all these items are included, but have been removed in photos, for port work). Our user id is: skipwhite, and our store name is whiteperformance1. These heads deliver more features, higher flow characteristics and better finish quality than other competitive brands. CFE 14 Degree Spreadport BBC. I found a pair of pro comp aluminum heads. BBC-OVAL-274 Complete Aluminum Cylinder Heads BBC Chevy 454 320cc 115cc 2. I have a pair of bbc oval port heads off my 454. 184-02-5 - PBM Performance - BBC 470cc - No Valve Job - 60cc - 12 Degree "Hitman" (AS CAST) Spread Port Aluminum Cylinder Heads - 5/16 Guides - Bare Part # PBM184-02-5 Out of Stock. Bbc - Classifieds in Pensacola, FL: BBC oil pan, BBC Dart intake, Cross Ram intake bbc, BBC GEN IV, BBC Heads 1966 Oval Port. port heads? And if any of the three will not work on a Gen IV block. Chevy Top End Kit 396 427 454 496 502 BBC Aluminum Heads oval port 540 750 lift. NEW from Edelbrock - E-Street™ 290 - Oval Port for B/B Chevy. 1488 heads work well with our PCE349. BBC Cast Aluminum Valve Cover Read more. stands behind each product we manufacture 100%. All a 402 is a 396 bore. This head is available with initial flow numbers around 260 cfm! This heads comes as cast with a 65cc chamber, 74 and 85cc CNC'd chambers are available. ISO of aftermarket bbc large oval port heads. Chevrolet Top End Kit 396 427 454 496 502 540 Bbc Aluminum Heads Rectangle 750. using high pressure moly lube or 70ft.