I would "assume" the BBC head follows suit. Not sure I would trust the Rockers and have never seen anything about that carb. First of all, 600hp is the new 500hp, and if a power adder is involved, you’d better be packing 800hp to have any bragging rights at all. Pair of Promaxx bbc 317 heads New in box never used USA product Nice clean castings 2. The motors make 1200 horsepower on pump gas, 1500 to 1600 horsepower with nitrous oxide, and up to 2100 horsepower with a blower. 88" x 11/32" Exhaust valves, Dual Roller Valve spring good for. 10045437-pontiac Super Duty Four Iron Duke Engine Aluminum Cylinder Head $900. All camshafts come with a recommended valve spring height; it is usually on the spec card included with the cam. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. Discover Bbc Chevy Aluminum Heads on sale right here with the biggest option of Bbc Chevy Aluminum Heads anywhere online. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. The only negative is the 2 bad runners breaking out into the head bolt holes. Engines with 1/2" head bolts holes (351-w and 302 CI SVO) should use ARP # 154-3603. Some comparable heads are double the cost of one Shocker 340 CNC. Recommended for more radical street/strip, "Pro Street", or racing builds with displacements up to 572 cubic inches, operating up to 7000 RPM. FRESH RHS 11001 ALUMINUM HEADS FOR BBC 2. Basically the Dragon Slayer head was an as-cast version of a CNC-ported head, meaning it offered the flow rate of the CNC program without the expense. How do I get in contact with Richard Holdener? I’m looking to build more low end torque from my ’93 Crew Cab dually that already has a “passed Cal smog” 489 ci BBC. Fel-Pro 1011-2 head gaskets and ARP head studs seal the heads to the short-block. Help is just a click away!. 880″ valve sizes, 119cc chambers 317cc Intake Runner. ProMaxx BBC 317cc Cylinder Heads. Cast-iron Vortec Cylinder Head Assembly • Completely assembled with 1. These Pro Comp Cylinder Heads have a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip. The order of the valves as they are located in the cylinder head. The Maxx 317 is truly a rare breed in today’s market. 26 Watching. They have custom designed a head to meet the demands of the Big Block Chevy world, while keeping the quality high and the price reasonable. With a complete line of offerings from the respected SBC Eliminator, LS1 Mongoose and BBC Magnum to the industry defining SBC Eliminator Aluminum Manifolds. Tomei Camshaft Procam Bp-ze Nb8c In 252-10. 0 Headbytes Porting. All heads feature a multi-angle Serdi valve job. The Man Eater PB 1200 series takes the big block world to the next plateau! This head comes equipped with several features that include: 12° valve angle; raised, oval-shaped intake ports designed to achieve a delicate balance between horsepower and torque; and precision contoured shallow chambers with outstanding wet flow characteristics. Call or email us today for a free quote!. 274 with a. 350 valve, this head will support big cubic inches and Big power that will not break the bank and will shock your competition and ours. Their 185cc heads out perform the dart shp 200 heads and comparible edelbrock heads. Featuring powerful port designs that are packed with air speed and unbeatable, made in the U. -CNC ported with Weingartner Racing Port design bare pair $2500 -CNC ported with Weingartner Racing Port design Assembled for Solid roller cam pair $3430. Roller cams up to. We can also supply you with a matching camshaft and intake. 88 valves Set-up for solid roller camshaft. I have a set of the Dart 383cc, 18 degree, oval port, "conventional" heads for a BBC. New, Used and OEM Automotive. Mid-range to 7,000 RPM. Straub Semi-Custom rull kamaxlar Chevy BB Du anger motor volym. Dart big block heads deliver superior performance, by utilizing 440cc runners in a conventional asymmetrical port design, and featuring a 20° rolled valve angle with redesigned shallow combustion chambers. Chevy 396 427 454 496 502 Bbc Aluminum Heads Oval Port 540 572 Roller Springs. The heads that were on the motor won’t work with the cam I wanna run1970 289 2 barrel heads were turds. com FREE DELIVERY possible on eligible purchases. Product Description. Shop with confidence. Only at www. i m pretty new on the head porting game. SBC Bare STRAIGHT PLUG Aluminum Heads 64cc Chamber, 200cc runner ** These 200cc runner heads have made 30 hp OVER ANY of the 210cc heads we have tested in this same price bracket** These heads feature Hardened Seats Bronze Valve Guides High Grade. 00 ProMaxx SBF 175cc Cylinder Heads $ 740. With a complete line of offerings from the respected SBC Eliminator, LS1 Mongoose and BBC Magnum to the industry defining SBC Eliminator Aluminum Manifolds. Pair of Promaxx bbc 317 heads New in box never used USA product Nice clean castings 2. Independent flow bench testing shows over 400 cfm with 2. 7l Vin 8 8th Digit Cast Iron Heads Fits 86 Corvette 376706 $771. 0l Powerstroke For851nb $645. 9 injection, hilborn fuel pump, weaver drysump pump, mags r us magneto with rare earth magnets and external coil, Moroso dry sump pan. 650 inch intake/exhaust valves with the lightweight 11/32 inch stems. ProMaxx BBC 370cc CNC Ported Big Block Chevy Cylinder Heads $ 1,940. 600 8mm valves, the Competition head comes with 2. Heads are angled plugs. Buy Clevite Amp. The cylinder heads have rectangular intake ports, which are larger in volume and designed to enhance high-rpm horsepower. 700 max lift Comes with matching intake gaskets ans a set of NGK plugs. These help to bridge the gap between conventional heads and Dart's Big Chief heads. Find great deals on eBay for promaxx heads. An As Cast head that is just as efficient as competition's CNC ported pieces. The reason is that is an aluminum head bases off the E7 stock iron head. The heads he's talking about are made by promaxx, and from all the reviews and articles i've seen, they make some nice heads. Browse our inventory of Heads today, while they still last! Brodix BBC Head Hunter Heads. The heads were outfitted with a variety of new and used components for the best strength/budget combination possible. ProMaxx BBC 317cc Cylinder Heads. The block gets fully machined; Hot tanked, magged for cracks, line honed, bored. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. allen,ak racing,can you answer the same question. i m pretty new on the head porting game. AFR's 345cc BBC cylinder head is recommended for radical street/strip, "Pro Street," or racing applications with displacements up to 572 cubic inches, operating at or below 7000 RPM. Some comparable heads are double the cost of one Shocker 340 CNC. It will be a week or 2 before I have all the stuff gathered up to put the heads together. ProMaxx BBC 370cc CNC Ported Big Block Chevy Cylinder Heads $ 1,940. Stop losing leads and start desking more deals with one easy-to-use system. Patriot Performance is now PROMAXX—and still making high quality, affordable performance cylinder heads for first-gen small and big block Chevy. 050" tappet lift. The cylinder heads have rectangular intake ports, which are larger in volume and designed to enhance high-rpm horsepower. The Racers Edge Performance - Edelbrock sells new ford mustang and chevrolet camaro performance Edelbrock cylinder heads at cheap discount wholesale prices, including all Edelbrock Cylinder Heads for BBC SBC SBF Ford Chevy Chrysler HEMI applications. BBC 454 to 470 CID with AFR 265 or 290 Oval Port heads to max of 6200 rpm. Patriot's BBC heads come as cast with a 320 cc intake runner, US made bronze guides, and a 5-angle valve job. Metal clad seals. Head gasket Fel Pro 1017. Nice to have your head guy assemble with what he knows works and last. 317cc intake runners great for street, street/strip, power tour, or smaller cubic inch competition (427-525ci). The Shocker CNC 340cc BBC is a professional designed cylinder head using the latest CNC porting tools. Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. A big block Chevy (BBC) or small block Chevy (SBC) head is readily recognized by most, as are MOPAR Hemi heads, small block Ford (SBF) heads, and depending on experience and engine preferences, others as well. Locate 440 Cylinder Heads on sale below with the largest choice of 440 Cylinder Heads anywhere online. The most affordable online catalog for all your Bbc Chevy Aluminum Heads needs. Starting with their Track 1 head, they first developed a CNC program to maximize the flow through the desired 225cc intake port, then digitized that port and recreated it in a casting. The heads include 7/16 in. would like to ask some of the pro guys to check it out and see what they think of them. The reason is that is an aluminum head bases off the E7 stock iron head. Aluminum racing heads on-sale now at CNC-Motorsports. Heads are "econo" ported by Speier Racing Heads. would like to ask some of the pro guys to check it out and see what they think of them. Some comparable heads are double the cost of one Shocker 340 CNC. 055 valve and complete port work with some dyno tweeking I can get Performer RPM type performance on a 357w, They 60 ft. Buy It Now +$71. i m pretty new on the head porting game. Call or email us today for a free quote!. Summit Racing Equipment Now Offers PROMAXX. 7l Vin 8 8th Digit Cast Iron Heads Fits 86 Corvette 376706 $771. I had my photograph printed at a superb printer, using a very expensive machine. ProMAXX Shocker CNC Series is the top of the line performance cylinder head. I do all things related to making engines make more power. Only at www. Promaxx Bare Replacement Cylinder Head For 03-07 Ford 6. teams and engine builders have seen gains of 180 hp and 6 mph. ProMaxx Performance Cylinder Heads available: Big Block Chevrolet (BBC) Cylinder Heads available in 320cc & 360cc at different valve sizes. ProMaxx SBF 175cc Cylinder Heads $ 740. Aluminum For Sale. Overseas castings, i've heard good and bad about the SBC and BBC heads from them. Small Block Chevrolet Compatible Heads. World Products has been producing affordable high performance cast iron engine blocks and cylinder heads for over twenty five years, beginning in 1987 with a pioneering Small Block Chevrolet cylinder head and continually expanding the line to become a leading aftermarket manufacturer. 02 but if your wanting heads you could always go with vortecs or a nice set of cast iron heads which should run. Dart 345cc Comparison Test Part 1 I got the chance to do a heads up comparison test between the TWO TOP contenders for the 500 CID BBC Cylinder Head. The SBC heads i saw that a friend bought looked a little rough, machining looked ok but not great and the ports were pretty roughy cast. 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. Tomei Camshaft Procam Bp-ze Nb8c In 252-10. Basically the Dragon Slayer head was an as-cast version of a CNC-ported head, meaning it offered the flow rate of the CNC program without the expense. We can also supply you with a matching camshaft and intake. 0l Powerstroke For851nb $645. Pair of Promaxx bbc 317 heads New in box never used USA product Nice clean castings 2. 0 950 HP BBC ~"SIDEWAYS ON 3 WHEELS" NASTY ~ 450 HIT NOS 1400 HP ~ A MUST. 274 with a. Available for a variety of applications (see chart). Roller cams up to. Since this thread has already gone on a tangent regarding the intake port breaking through into the head bolt hole, I have a question on this very subject. They have custom designed a head to meet the demands of the Big Block Chevy world, while keeping the quality high and the price reasonable. DFW or FLW Files A Package of more than 2925 flow files for use with Dyno simulation programs. Buy It Now +$71. MAXX 317 BBC (Sold in Pairs) - PROMAXX Performance Products. $2600 takes them Cost over $3000 Went with a set of 340 cnc heads reason for selling. 3/28/2011 Dart 360cc BBC Aluminum Cylinder Head Part# 16500000 thru 16634136 Material: 355-T61 alum alloy Comb Chambers: 121cc or 141cc w / CNC) Intake Valve Dia: 2. Bbc Aluminum Heads The car dealer is among the few staying folks in The u. These were combined with a set of JE forged pistons and Total Seal Rings. These heads out flow the competition at a price that cannot be touched. Patriot Performance is now PROMAXX—and still making high quality, affordable performance cylinder heads for first-gen small and big block Chevy. Shop the best cylinder heads by AFR, Brodix, BMP, CHI, Dart, EQ, and World Products. Engines with 1/2" head bolts holes (351-w and 302 CI SVO) should use ARP # 154-3603. BBC 454 to 470 CID with GM Edelbrock Roval Heads to a max of 6200 rpm or ProMaxx 320 runner heads to 6400 rpm. Place head bolt washers over each bolt hole. BluePrint Engines offers small block Chevy cylinder heads, big block Chevy cylinder heads, GM LS cylinder heads, and small block Ford cylinder heads. Browse our inventory of Heads today, while they still last! Brodix BBC Head Hunter Heads. There is no comparison in the market. Those are interesting links but I'm looking for BBC heads. BuyAFR : AFR BBC Race Heads - AFR SBC Race Heads AFR BBC Race Heads AFR SBF Race Heads AFR LS1 Cylinder Heads AFR Master List AFR SBC Race Heads AFR BBC Race Heads AFR SBF Race Heads AFR LS1 Cylinder Heads Supporting Components BuyAFR, AFR, airflow,airflow research, research,cylinder heads,. They have custom designed a head to meet the demands of the Big Block Chevy world, while keeping the quality high and the price reasonable. better then most heads and want to cruise alot. Seeing all the PREPPING on 50 Pairs of Max 200's was incredible. They come with 2. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. Engine 8-350 5. Shop the best cylinder heads by AFR, Brodix, BMP, CHI, Dart, EQ, and World Products. Pro Comp Aluminum Cylinder Heads are a great choice for an out of the box horse power upgrade for your Small Block Chevy. engines with Vortec style intake manifolds. The numbers are from our in-house flow bench. Let's talk high compression and pump gas. Unlike most of our competitors, we don't offer different quality CNC designs. Shop with confidence. The Shocker CNC 340cc BBC is a professional designed cylinder head using the latest CNC porting tools. Promaxx Performance 9440k 440 Maxx Aluminum Cylinder Heads Big Block Chrysler Ki. No matter what you're driving, we have the right Bbc Cylinder Heads for your vehicle New and Used Automotive Parts and Accessories On Sale. 88 valves Set-up for solid roller camshaft. BBC ProComp Aluminum Cylinder Heads 320 Runner Assembled - Item # PCM 3021C. Setup for. ProMaxx BBC 370cc CNC Ported (Bare Heads). Airflow Research’s pioneering use of wet-flow technology was allowing AFR cylinder heads to obtain unequaled flow and power. This cam defines American Muscle and brute torque. Cylinder Heads. The heads include 7/16 in. We offer a variety of Bbc Cylinder Heads for your automotive needs. Now go out and shock the competition. These BB-Chevy heads come in an As-Cast series or Full CNC-Ported series. Re: Anyone got any experiance with Promaxx SBF heads? Well I guess i'll pull the trigger on a set bare, surely with a 2. the guy had done saw cuts showing the ports and had tested the materail. Coat all threads with Permatex 3H Aviation Form-a-Gasket (follow Permatex’s directions for set-up time), then place the bolts in their proper locations. Patriot's Freedom Series heads meet the demands of the BBC world, while keeping the quality high and the price reasonable. The installed height of a valve spring is the total height of the spring when the valve is closed. Flowing over 415 cfm, this head is on top of the heap. Pair of Promaxx bbc 317 heads New in box never used USA product Nice clean castings 2. An As Cast head that is just as efficient as competition's CNC ported pieces. Since there are multiple options in heads with different flow rates, then you need a camshaft based on what the heads can supply. The Shocker CNC Series is our top of the line performance cylinder head. The most affordable online catalog for all your Bbc Chevy Aluminum Heads needs. 88 valves Set-up for solid roller camshaft. The "GTA" S. Great piece. Patriot's BBC heads come as cast with a 320cc intake runner, US made bronze guides, and a 5 angle valve job. ProMAXX Performance has designed a complete new line of performance heads that meet or exceed the big names in the industry. 02 but if your wanting heads you could always go with vortecs or a nice set of cast iron heads which should run. Topped off with BRODIX Cylinder Heads BR 7 273 6 bolt heads, MSD Performance intake manifold, Halltech Systems, LLC cold air intake. E-tEC HEADS fOR SB CHEVY VORtEC ENGINES Edelbrock E-TEC heads fit 302, 327, 350, and 400 c. Our head outflows most heads in its class while keeping costs down. Browse our inventory of Heads today, while they still last! Brodix BBC Head Hunter Heads. On the website when you read the description for the heads it clearly states that there is a requirement to run the felpro 1017 or equivalent gasket. ProMaxx BBC 340cc CNC Ported (Bare Heads). Heads are valve jobbed, decked, and bagged for assembly. Use minimum of 850 CFM carburetor with either a dual plane intake with notched divider or single plane. An As Cast head that is just as efficient as competition’s CNC ported pieces. Bbc heads blank $300 a set valve job $650 a set many castings available 336781 / 353049 / 343772 / 346236 and many others call or text *** Bbc heads (Arlington) $300 I have several of these New distributors for sale. 620 LIFT HYD ROLLER. ProMaxx Performance Products, LLC, Rainbow City, AL. ProMaxx is selling off what was left from this inventory when they bought the assets of Patriot. Dart big block heads deliver superior performance, by utilizing 440cc runners in a conventional asymmetrical port design, and featuring a 20° rolled valve angle with redesigned shallow combustion chambers. 6-ratio roller rockers. As cast or CNC, bare or assembled. I figured out why Patriot closed up and changed its name. Seeing all the PREPPING on 50 Pairs of Max 200's was incredible. Bolt them on and go. Lighter Than Stock Heads Uses 3/4" Reach 5/8" Hex Spark Plugs (Autolite 3924 Or Comparable) When it's time to build a new engine or rebuild the heads, forget rebuilding your stock cast iron heads and buy a set of Patriot Performance Freedom Series reproduction cylinder heads. Check out this 496 Chevy Big Block Engine get tested with Edelbrock Performer RPM Cylinder Heads and Dart Cylinder Heads other cylinder heads are TFS, Brodix, GM and Pushrod, Featured in Car Craft. AD Performance AFR CNC Ported 315 BBC Race Head [2000] - AFR 315cc Fully CNC'd The smallest intake volume runners in our line-up, but don't let size fool you. The Shocker 370cc full CNC ported is the Big Dog in our BBC line. 30 over ,lunati crank and rods,Je,7. , casting technology. These heads out flow the competition at a price that cannot be touched. I had my photograph printed at a superb printer, using a very expensive machine. These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Bear Block Motors (BBM) is proud to introduce the incredible new BBM FE cylinder head for 390, 427, and 428 big-blocks with 2. These were combined with a set of JE forged pistons and Total Seal Rings. The Shocker 370cc full CNC ported is the Big Dog in our BBC line. 10045437-pontiac Super Duty Four Iron Duke Engine Aluminum Cylinder Head $900. available $83. 0mm(1497252100) $509. A run-of-the-mill stock iron small-block's intake ports might measure around 150cc. 7 Roller Rockers, Weiand 8-71 Blower, 2 x 800cfm Barry Grant Mighty Demon Blower Carbs. The MAXX Series is taking the affordable performance cylinder head to the next level. Welcome to the brotherhood of BBC that make 600HP and 600#/ft on pump gas! This cam will also work with the listed aftermarket aluminum heads. bbc 454 496 alum heads 118cc chamber 330cc runner hyd. ProMaxx Tool | Exhaust Manifold Repair Tools and More Cart Empty. These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. ProMaxx heads have started a revolution in the performance world. No more guess work. We now have a SAENZ model 680 flow bench which we all enjoy using. These BB-Chevy heads come in an As-Cast series or Full CNC-Ported series. Promaxx Cnc Ported Bbc 340cc Cylinder Heads. Haven't seen the BBC heads, i've heard that they are about the same. 875 inch stroke crank are both made of 4340 material. ProMaxx SBC 183cc Small Block Chevy Cylinder Heads. 8 heads are great replacement and performance choice for your mustang. i saw a vidoe on youtube of the promaxx heads. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible. An As Cast head that is just as efficient as competition's CNC ported pieces. CFM per dollar seems to go to the LS then SBC. Adjusting hydraulic lifters for proper preload. 317cc intake runners great for street, street/strip, power tour, or smaller cubic inch competition (427-525ci). Trick Flow 215cc GM LS Cylinder Heads, PN: TEA-LS215TF-CUSTOM. An As Cast head that is just as efficient as competition’s CNC ported pieces. 766 Stroke with AFR/ProMaxx Heads Ma. Use minimum of 850 CFM carburetor with either a dual plane intake with notched divider or single plane. Our cylinder heads are cast according to FLOTEK design parameters and assembled and inspected at our facility in Evansville, Indiana. Independent flow bench testing shows over 400 cfm with 2. These heads out flow the competition at a price that cannot be touched. Recommended head bolts are ARP #154-3701 for engines with 7/16" head bolt holes (289 and 302 CI). Aluminum is automatically lighter but not faster. 050" tappet lift. "I needed a very high quality print to enter in a photography art show. Help is just a click away!. Place head bolt washers over each bolt hole. 2:1 on 91-octane pump gas, this. The "GTA" S. Well 2 sets of intake gaskets and 3 intakes later I measured the heads and all of the holes and ports on one head were 60 thousandths off from the other one. We stock a wide variety of cylinder heads, and other engine parts such as crankshafts and blocks, for over 250 different types of engines for cars, SUVs, trucks and machines. BES Racing Engines now offers complete cylinder head packages. The second set are still setting here on the shelf. With a complete line of offerings from the respected SBC Eliminator, LS1 Mongoose and BBC Magnum to the industry defining SBC Eliminator Aluminum Manifolds. 88 stainless (back-cut and swirl polished) valve combo, 122cc combustion chambers, and intake ports that topped the magic 400 cfm (peaks of. The GTA series of street performance hydraulic rollers makes this easy. 250 Intake valve and over 400 with 2. The BBC engine has undergone a number of revisions since its inception, but the Mark IV design — first introduced in the 1963 Daytona 500 stock cars — has become the staple in the industry for big performance out of a workable package. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend. 00 ProMaxx SBF 175cc Cylinder Heads $ 740. Euclidians be damned—round is the new square! Not one to pass up an opportunity on the dyno, we. 88 valves Set-up for solid roller camshaft. 370cc Intake Runner. 700 max lift Comes with matching intake gaskets ans a set of NGK plugs. The team has shared all the finest moments in the numerous accolades for its people, its products, and its approach. Pair of Promaxx bbc 317 heads New in box never used USA product Nice clean castings 2. I have run two sets of Procomp BBC heads before. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. These BB-Chevy heads come in an As-Cast series or Full CNC-Ported series. that's just my. Topped off with BRODIX Cylinder Heads BR 7 273 6 bolt heads, MSD Performance intake manifold, Halltech Systems, LLC cold air intake. I found a pair of pro comp aluminum heads. Blyth ProMaxx BBC 360 Heads Tails and Tubes 2. com 615-212-7168 The worst part about the Ford 460/429 heads is the exhaust and the dam head bolt that is covering almost a 1/3 of the port from exiting the gasses. ProMaxx BBC 340cc CNC Ported Big Block Chevy Cylinder Heads $ 1,730. The Man Eater PB 1200 series takes the big block world to the next plateau! This head comes equipped with several features that include: 12° valve angle; raised, oval-shaped intake ports designed to achieve a delicate balance between horsepower and torque; and precision contoured shallow chambers with outstanding wet flow characteristics. I built my buddies 383 and used AFR 195 with a hydraulic roller similar to your Howars but a little more lift and it is a Howard's cam. 5º, 12º, and 9° versions. Featuring powerful port designs that are packed with air speed and unbeatable, made in the U. Our Dyno and Track proven heads make BIG power. Brodix BF heads, Jesel roller rockers, All forged lower end, Kinsler 2. Taking the affordable performance cylinder head to the next level. For the flow remember bigger is not always best. ProMaxx BBC 317cc As Cast (Bare Heads) = $1150 pr. At PROMAXX, we provide our elite series at prices that make our competition cringe. Shop Ported Heads Now! Promaxx Cnc Ported Bbc 340cc Cylinder Heads. Chevy Rocker Arms - Chevy Small Block Shaft Mount Rockers, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. If your looking for a good QUILITY head that wont destroy the bank account then look at a set of Edelbrock oval port. These BB-Chevy heads come in an As-Cast series or Full CNC-Ported series. Install the rocker arms and the rocker arm pedestals onto the cylinder head as an assembly according to OEM procedures. Cylinder heads involve a lot more than just rocker arm ratios and valve spring installed heights. Any cheaper then that and your looking at a set of Procomp heads. AFR's 345cc BBC cylinder head is recommended for radical street/strip, "Pro Street," or racing applications with displacements up to 572 cubic inches, operating at or below 7000 RPM. DART Pro 1 BBC Aluminum Heads Dart developed the first successful aftermarket aluminum heads for big blocks, and we've continued to improve and refine our revolutionary design. Promaxx Performance 9317 317 Series Aluminum Cylinder Heads Big Block Chevy As-c. ProMaxx BBC 340cc CNC Ported (Bare Heads). Your CID and desired rpm range sets the demand of the engine. Promaxx Performance 9440k 440 Maxx Aluminum Cylinder Heads Big Block Chrysler Ki. 008" lift) Lobe Separation Angle: Opening at. Rockers and guideplates still attached. HEADS by Skip White. 00 ProMaxx BBC 370cc CNC Ported Big Block Chevy Cylinder Heads $ 1,940. These heads have intake ports that have broken through into the head bolt holes. Big Block Bbc Chevy 454 496 300cc Oval Port Aluminum Heads Assem Bbc Oval 272. Haven't seen the BBC heads, i've heard that they are about the same. The "GTA" S. These heads, with a mild hydraulic cam, will make around 380 hp on a 355ci small-block, and this motor was no exception. Become one of the fastest street cars in the country with a set of AFR heads. Dart PRO1 23° 215cc Platinum series heads are for big cubic inch, high RPM applications which favor peak power over low end flexibility. its your call, I would hold out for a good set of heads, I cant bash Promaxx I have no experience with them, but for piece of mind I would get a name brand set that way you don't have to worry especially with spray. Locate 440 Cylinder Heads on sale below with the largest choice of 440 Cylinder Heads anywhere online. they just closed down and changed there name see if we can get some fed backk from the pros on them. Whether it's circle track, drag racing or street performance the Pro-Filer All-American Series SBC cylinder heads are the solution for your big horsepower needs. a that you still need to routinely haggle with. Edelbrock Performance Cylinder heads are manufactured of A356 aluminum and made in the USA for AMC, Buick, Chevy, Chrysler, Ford, Oldsmobile, & Pontiac engines. Great piece. Starting with their Track 1 head, they first developed a CNC program to maximize the flow through the desired 225cc intake port, then digitized that port and recreated it in a casting. Aftermarket improvements such as cylinder heads, camshaft and valvetrain design have only added to its. I think Short Change$$ is right. The Shocker 370cc full CNC ported is the Big Dog in our BBC line. KMJ Assault 345cc Big Block Chevy VS. We compare and contrast eight budget small block Chevy heads. Over 7,000 RPM, 540+ cubic inches. Automotive Cylinder Heads Remanufactured & New Cylinder Heads for Autos or Trucks To purchase one of the items, select your manufacturer and model, then add the product to the cart. Grind Number: Valve Lift 1.