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Airflow Research (AFR) Parts and Accessories

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Results 1 - 24 of 39

AFR 335cc Enforcer BBC Cylinder Heads

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.

4.0 out of 5 stars ( 5 )

$935.00

AFR 185cc SBF Enforcer Cylinder Heads

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.

4.52 out of 5 stars ( 21 )

$700.00

AFR 185cc SBF Renegade 20 Degree Street Heads

When you want the world's finest high-performance, street/strip, small block Ford heads, then check out AFR 185cc emissions-legal Renegade Street cylinder heads. 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, these cylinder heads are designed for 302-393 c.i.d. engines operating up to 6,500 rpm. The 3/4 in. thick head deck makes them ideal for nitrous or blower applications. These heads will not accept rail rocker arms or OEM pistons, and hardened pushrods are required on models designed for stud mount rocker arms. Get fully CNC-ported and competition-5-angle valve job performance for your SBF engine with an assist from the AFR 185cc SBF Renegade 20 Degree Street Heads best suited for your build!

4.68 out of 5 stars ( 37 )

$2,126.00

AFR 195cc SBC Eliminator Street Heads

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.

5.0 out of 5 stars ( 40 )

$2,126.00

AFR 220cc SBF Renegade 20 Degree Competition Heads

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.

4.92 out of 5 stars ( 12 )

$2,871.00

AFR 385cc Magnum BBC Competition Racing Heads

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

$4,881.00

AFR 165cc SBF Renegade 20 Degree Street Heads

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.

4.57 out of 5 stars ( 28 )

$2,126.00

AFR 200cc SBC Enforcer Cylinder Heads

AFR 200cc SBC 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 350 to 400 cu. in. operating below 6,000 rpm. They come fully assembled with the identical components found in their higher end CNC-ported cylinder heads, such as ARP rockers studs, Melling Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks, hardened spring cups and ductile iron seats, and their one-piece 8mm 21 4N stainless steel valves. The AFR 200cc SBC Enforcer cylinder heads are available in straight or angle plug, assembled or bare.

5.0 out of 5 stars ( 2 )

$693.00

AFR Stud Girdles

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.

4.63 out of 5 stars ( 56 )

$171.00

$266.00

AFR Racing Pushrod Guideplates

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.

4.78 out of 5 stars ( 18 )

$8.99

$69.00

AFR 300cc Magnum BBC Cylinder Heads

AFR 300cc Magnum BBC cylinder heads are suggested for aggressive builds. They boast 100 percent CNC-ported intake, exhaust, and chambers—as well as A356 aluminum casting and high-quality components throughout. These oval port competition packages are available with hydraulic or solid roller springs; and bare or assembled style.

5.0 out of 5 stars ( 3 )

$3,830.00

AFR Magnum Series Intake Manifolds

AFR Magnum Series intake manifolds elevate your big block Chevy engine's power—the ultimate power upgrade. Crafted with precision and engineered to perfection, these manifolds are the key to unlocking a new level of performance for your street vehicle. Designed to seamlessly integrate with AFR's acclaimed Magnum Oval port cylinder heads, the manifolds promise a hassle-free enhancement to your engine's capabilities. Say goodbye to the painstaking task of port matching, as they're a direct bolt-on solution for AFR select cylinder heads. The Magnum intake manifold utilizes a dual-plane design, featuring runners that are custom-tailored for high-horsepower applications thriving in the 1,800-6,200 rpm range. Elevate your driving experience today with an AFR Magnum intake manifold—where power meets precision. Product specs: * Carb flange height: front: 5.22 in., middle: 5.39 in., rear: 5.57 in. * 1,800-6,200 rpm optimal operating range * Designed for a standard/stock block height * 4150 carburetor flange

4.5 out of 5 stars ( 2 )

$298.00

AFR 290cc Oval Port Magnum BBC Cylinder Heads

AFR 290cc oval port Magnum BBC cylinder heads feature 100 percent CNC porting on the exhaust, intake, and combustion chambers to provide the ultimate in oval port performance. They produce tremendous airspeed and are ideal for 396-509 cu. in. engines. These heads feature AFR's trademark 3/4 in. deck, reinforced rocker stud bosses, and thick, rugged castings. They're available bare or fully assembled with one-piece stainless steel valves, double valve springs, steel locks, retainers, and guideplates. The cylinder heads also have high-flowing 3/8 in. raised exhaust ports for better performance. Choose the model best suited for your vehicle application.

4.75 out of 5 stars ( 4 )

$3,751.00

AFR 175cc Small Block Mopar Blue Hornet Heads

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.

4.5 out of 5 stars ( 2 )

$535.00

AFR Aluminum Roller Rocker Arms

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.

4.83 out of 5 stars ( 6 )

$612.00

AFR Replacement Stainless Steel Valves

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.

4.88 out of 5 stars ( 8 )

$18.00

$187.00

AFR Intake Manifold Gaskets

AFR intake manifold gaskets are manufactured from high-quality composition gasket material. They provide excellent sealing and durability and can be trimmed if needed for modified ports. AFR intake manifold gaskets are ideal for OEM replacement, as well as high performance street, drag race, and oval track applications.

4.84 out of 5 stars ( 73 )

$20.00

$48.00

AFR Exhaust Header Gaskets

AFR exhaust header gaskets are made from high-temperature, high-density fiber material around a perforated steel core for durability and heat resistance. They feature a specially designed coating for easy removal—and no sticking to the cylinder head, header, or exhaust manifold. Order the gaskets tailored for fitment on your vehicle application.

4.78 out of 5 stars ( 27 )

$21.00

$29.00

AFR Valve Guides

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.

5.0 out of 5 stars ( 3 )

$13.99

$186.00

AFR Valve Covers

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.

4.62 out of 5 stars ( 50 )

$232.00

$414.00

AFR Stage 1 Camshaft and Lifter Kits

AFR's Stage 1 camshaft and lifter kits deliver their custom camshaft along with a set of Morel OE or link bar lifters to give your American muscle car the power it deserves. Select the kit with the preferred lifters. AFR Stage 1 camshaft benefits: * Specifically developed to unleash the full potential of AFR's Eliminator CNC and Enforcer As-Cast cylinder heads * 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

Not Yet Reviewed

$645.00

$981.00

AFR Rocker Arm Studs

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!

5.0 out of 5 stars ( 2 )

$7.99

$103.00

AFR Stage 2 Camshaft and Lifter Kits

AFR's Stage 2 camshaft and lifter kits deliver their custom camshaft along with a set of Morel OE or link bar lifters to give your American muscle car the power it deserves. Select the kit with the preferred lifters. AFR Stage 2 camshaft benefits: * Specifically developed to unleash the full potential of AFR's Eliminator CNC and Enforcer As-Cast cylinder heads * 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

Not Yet Reviewed

$645.00

$981.00

AFR Enforcer Valve Seals

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.

5.0 out of 5 stars ( 2 )

$2.10