Availability
Airflow Research developed these 185cc SBF Enforcer cylinder heads for maximum small block Ford performance. They're manufactured from tough but lightweight A356 aluminum and feature 185cc intake runners and 64cc combustion chambers. Enforcer heads feature a 0.325 in. deck, stock valve locations, and are designed for blocks with a minimum bore of 4.000 in. The heads are available bare or fully assembled with stud mount rocker mounting.
( 21 )
$767.55
AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. These budget-friendly heads are perfect for your 509 to 540 cu.in. operating below 6,500 rpm. They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. Order the cylinder heads recommended for your year/make and engine application.
( 5 )
$664.65
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$1,023.75
Race-ready AFR 220cc SBC Eliminator racing heads feature 100 percent CNC-ported intakes with greater detail. They also come with 100 percent CNC-ported combustion chambers and 80cc exhaust ports with a 3/4 in. thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm, 2.080 in. intakes and 1.600 in. exhausts with AFR's hardened ductile iron interlocking valve seats. The valve springs included are intended for use on roller camshafts. They also offer exceptional flow characteristics, a 23 degree valve angle, and standard valve spacing. These cylinder heads are perfect for 350 to 400 c.i.d. engines in bracket drag cars, sportsman oval trackers, and highly modified street-class cars operating between 3,000 and 7,500 rpm (higher rpm ranges are possible, depending on the combination of parts).
( 22 )
$2,592.45
AFR 195cc SBC Eliminator Street Heads are fully CNC-machined (combustion chamber, intake, and exhaust ports) and available in your choice of straight or angled plug versions. AFR 195cc heads feature a 75cc or 65cc combustion chamber with a 64cc exhaust port and a 3/4 in. thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm, 2.050 in. intakes (competition versions are 2.080 in.) and 1.600 in. exhausts with AFR's hardened ductile iron interlocking valve seats. The valve springs included are intended for use on roller camshafts. The exceptional flow characteristics of AFR 195cc Eliminators, a 23 degree valve angle, and standard valve spacing make them the perfect street heads for 350 to 400 c.i.d. engines in the 2,000 to 6,500 rpm operating range. They carry CARB #D-250-2 when used on 1969-94 applications with the heat riser. Order the bare or assembled model recommended for your vehicle and engine.
( 40 )
$1,164.45
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$2,328.90
If you need the world's finest high performance street/strip small block Ford heads, then check out AFR's 185cc emissions-legal Renegade Street cylinder heads (CARB E.O. #250-3). With lightweight 8mm, 2.020 in. intake valves and 1.600 in. exhaust valves, combustion chamber volumes of 58 or 72cc, and 68cc exhaust ports, AFR's 185cc Ford cylinder heads are designed for 302-351 c.i.d. engines operating from 1,500 to 6,500 rpm. A 3/4 in. thick head deck makes the AFR heads ideal for nitrous or blower applications. These heads will not accept rail rocker arms, and hardened push rods are required on models designed for stud mount rocker arms.
( 37 )
$2,328.90
AFR 220cc SBF Renegade 20 Degree Competition Heads are the largest, best-flowing choice to top your small block Ford. These power-producing cylinder heads are born of A356 aluminum castings and feature intake ports, exhaust ports, and combustion chambers that are all 100 percent CNC-ported. Renegades are outfitted with lightweight 8mm, 2.100 in. intake valves and 1.570 in. exhaust valves to move massive amounts of air. They come with either combustion chamber volumes of 58 or 72cc accompanied by 70cc exhaust ports, which are raised .375 in. higher than stock. Plus, AFR's trademark 3/4 in. thick cylinder head deck makes them ideal for heavy nitrous or blower applications. Choose the flow characteristics that can give your Ford the power to win—AFR 220cc SBF Renegade 20 degree competition heads.
( 12 )
$3,143.70
For the ultimate small block Ford street car, consider AFR 165cc SBF Renegade 20 degree street heads. Unlike some aftermarket heads, AFR's Ford cylinder heads (CARB E.O. # D250-3) fit all of your stock components; no special parts are required! With lightweight 8mm, 1.900 in. intake valves and 1.600 in. exhaust valves, combustion chamber volumes of 58 and 60cc, and 68cc exhaust ports, these emissions-legal aluminum cylinder heads are perfect for 289 and 302 engines operating from idle to 6,000 rpm. A 3/4 in. thick head deck makes the heads ideal for nitrous or blower applications. Renegade cylinder heads will not accept rail rocker arms, and hardened pushrods are required on models designed for stud mount rocker arms.
( 28 )
$2,328.90
AFR 210cc SBC Eliminator racing heads are available in two stages of performance. The race-ready version features 100 percent CNC-ported intakes—and 100 percent CNC-ported intakes with greater detail. They come with 100 percent CNC-ported combustion chambers and 80cc exhaust ports with a 3/4 in. thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm, 2.080 in. intakes and 1.600 in. exhausts with AFR's hardened ductile iron interlocking valve seats. The valve springs included are intended for use on roller camshafts. The exceptional flow characteristics, 23 degree valve angle, and standard valve spacing make these the perfect cylinder heads for 350 to 400 c.i.d. engines in bracket drag cars, sportsman oval trackers, and highly modified street-class cars operating between 3,000 and 7,500 rpm (higher rpm ranges are possible, depending on the combination of parts). The 210cc aluminum cylinder heads are available for either standard or spread port exhausts, bare or assembled style.
( 16 )
$2,592.45
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$3,193.05
If you're looking for the world's finest street/strip heads available, then AFR's 205cc Renegade Race cylinder heads are your answer. With lightweight 8mm 2.080 in. intake and 1.600 in. exhaust valves, these heads move tremendous volumes of air through conservative runner volumes, spelling big torque and horsepower numbers. AFR's trademark 3/4 in. thick head deck makes them ideal for heavy nitrous or blower applications. They even offer an available nitrous or blower exhaust port option featuring a 73cc ultra high-flowing exhaust port.
( 13 )
$3,014.55
AFR Racing pushrod guideplates offer precise fit and function to keep your pushrods from deflecting under high-rpm conditions. They are manufactured from durable, hardened steel with a black oxide finish for long-lasting performance. The guideplates are available in different styles and sizes to accommodate various Chevy big block or small block type applications. Achieve the performance levels you need with an assist from AFR Racing.
( 17 )
$9.45
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$76.65
AFR 227cc SBC Eliminator Race Ready Racing heads offer outstanding track performance at a competitive price. Exhaust and intake ports and combustion chambers are 100 percent CNC-ported, with coarser machine levels for terrific flow characteristics and big power gains. The 227cc SBC Eliminator heads feature a 3/4 in. thick head deck, ideal for nitrous or blower applications. They come complete and ready-to-run with quality AFR-proven components for maximum reliability—or choose "bare" heads (no parts) to design your own ultimate power package. These cylinder heads are available in standard and spread port exhausts. AFR 227cc SBC Eliminator Race Ready racing heads are a great choice for budget-minded racers.
( 9 )
$2,592.45
AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. in. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. Recommended for street, strip, or towing applications, these torque monsters can flow 354 cfm at 0.650 in. lift. These units feature a 3/4 in. thick deck, along with reinforced rocker stud bosses, and thick, rugged castings. Want high-flowing power? Then choose these 265cc Oval Port Magnum BBC cylinder heads from AFR. Additional features include: * Intake runners and exhaust ports are partially CNC-machined * Competition 5-angle valve job * 3/8 in. guideplates * A356 aluminum material
( 9 )
$3,182.55
AFR stud girdles are designed to eliminate the rocker stud flexing and associated horsepower loss that come with today's high-lift cams and high-pressure valve springs. They are manufactured from sturdy anodized aluminum to keep your valvetrain rigid for maximum engine performance. Available for small block Chevy, small block Ford, and big block Chevy applications, the AFR stud girdles will maintain valvetrain longevity throughout the engine's entire rpm range.
( 55 )
$201.60
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$312.90
AFR 385cc Magnum BBC competition racing heads will feed your large displacement, high-rpm race engine the air it needs to deliver monster performance. The 385cc Magnum features AFR's trademark .750 in. thick head deck, A356 aluminum castings and Titanium retainers, as well as 100 percent CNC-ported intakes, exhausts, and combustion chambers to deliver the big flow characteristics to provide you with the power you need to win! Keep your monster engine both strong and powerful—allow it to feast on the plentiful airflow of the AFR 385cc Magnum BBC competition racing heads.
Not Yet Reviewed
$5,344.50
Are you building your own personal street/strip weapon? These AFR 195cc SBF Competition cylinder heads are designed for you. To make big horsepower, you need heads that can flow large amounts of air--that's where AFR, the masters of airflow come in. These heads feature a 195cc intake port, 70cc exhaust ports, and your choice of 58 or 72cc combustion chambers to complement your engine. To get the fuel and air in and out efficiently, AFR uses lightweight 8mm 2.050 intake valves and 1.600 exhaust valves. The thick deck makes these heads ideal for nitrous or blower applications with the optional nitrous/blower exhaust port. These heads are most at home on performance engines operating primarily between 2,000 and 7,000 rpm. Dominate the street and strip with the help of AFR and these 195cc SBF Competition cylinder heads.
( 1 )
$2,947.35
AFR 175cc Small Block Mopar Blue Hornet cylinder heads, part of their Performance lineup, feature an "as cast" surface on the intake and exhaust runners, as well as the combustion chamber for optimal performance, and an enhanced water jet design to ensure superior cooling in crucial areas. These innovative heads offer exceptional value, available as a "no parts" head or fully assembled with the premium components found in AFR's top-tier cylinder heads. They are a perfect choice for anyone looking to upgrade from factory iron pieces. Select the AFR Mopar head(s) preferred.
( 1 )
$627.90
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$933.45
AFR replacement stainless steel valves are designed to fit your AFR cylinder heads without any modifications. They are made from stainless steel with chrome stems and hardened valve tips. AFR replacement stainless steel valves are also swirl-polished and fully machined. Both the materials used, and the heat-treating process are superior to the original equipment replacement pieces.
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$21.00
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$221.55
AFR aluminum roller rocker arms are CNC-machined from high-strength aluminum, heat-treated for reliability, and anodized for protection. They feature a fuller roller fulcrum and are available in stud-mount or pedestal-mount styles to fit your specific application. Pick up a set of AFR aluminum roller rocker arms and give your engine better durability throughout the entire rpm range.
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$584.85
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$681.45
AFR valve covers will show everyone your desire for speed. Constructed from aluminum, they're available in black powdercoated and polished finishes for every level of auto enthusiast.
( 50 )
$269.85
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$486.15
AFR Inconel valves provide your cylinder head with the proper flow needed to keep your engine running efficiently. Inconel alloys are oxidation/corrosion-resistant materials well suited for service in extreme environments subjected to pressure and heat. Order the AFR Inconel valves designed to fit your application.
Not Yet Reviewed
$484.05
AFR valve guides are constructed from high-quality bronze for durability and wear. These guides are offered in a variety of diameters to suit your application.
( 3 )
$13.65
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$220.50
Have you ever tried to install a rocker stud into your cylinder head and watched it wobble as it screwed in? Don't take a risk installing bad rocker arm studs that may botch up your Eliminator or Outlaw race cylinder head installation. Just replace the bad with the new--AFR rocker arm studs that run in straight and true! These rocker arm studs are made of premium-grade chromoly steel and are heat-treated to tensile strength. Plus, stud lengths are exact to provide positive seating every time. AFR--a name you can trust!
( 2 )
$7.35
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$117.60
AFR offers valve seals for SBC/SBF Enforcer cylinder head applications from 1955 and up. The valve stem oil seals are made from Viton© rubber—and are designed to original specifications, ensuring proper fit and performance.
( 1 )
$2.10
Air Flow Research (AFR), the authority in high performance CNC cylinder heads for over 55 years, is proud to introduce its latest innovations: Custom camshafts for the small block Chevy. Specifically developed to unleash the full potential of AFR's Eliminator CNC and Enforcer As-Cast cylinder heads, the camshafts deliver race-ready gains in a drop-in solution, backed by real-world dyno testing. Crafted in partnership with Andrews Products, a name synonymous with championship camshaft innovation and precision grind quality, these new profiles extend AFR's mission to give American muscle cars the power they deserve. Key benefits: * Upgraded to industry-preferred 8620 steel for superior strength and durability * Ideal for high-RPM builds, power adder applications, and aggressive street use * Exceptional wear resistance for long-term valvetrain stability * Improved core hardness allows for more precise and consistent grinds * Excellent response to heat-treating for a hardened surface without sacrificing ductility * Trusted in top-tier racing environments—now included in every AFR camshaft Stage 2 Camshaft specs: * Cam style: Retro Fit hydraulic roller (OE roller blocks 1987-2003 require the use of a cam button) * Camshaft use: Strip/high-RPM * Camshaft manufacturers description: The AFR camshaft was developed to pair perfectly with AFR's Eliminator CNC cylinder heads. Ideal for high-RPM, track focused engines * Intake duration at .050-inch lift: 23X/23X * Valve lift with factory 1.5 rocker arm ratio: 0.54X intake/0.54X exhaust *Valve lift with factory 1.6 rocker arm ratio: 0.58X intake/.058X exhaust * Lobe separation (degrees): 112 * Camshaft gear attachment: 3-bolt * Computer-controlled compatible: Yes * Valve springs required: Yes
Not Yet Reviewed
$385.00
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