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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.
( 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!
( 37 )
$2,126.00
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.
( 28 )
$2,126.00
AFR 205cc SBF Renegade Race Heads
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 )
$2,753.00
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.
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$8.99
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$69.00
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.
( 12 )
$2,871.00
AFR 195cc SBF Renegade Competition Cylinder Heads
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 )
$2,691.00
AFR 195cc SBF Competition Cylinder Heads
AFR 195cc SBF competition cylinder heads feature 100 percent CNC-machined intake ports, exhaust ports, and combustion chambers. Manufactured in A356 aluminum and assembled with high-quality components, these AFR 195cc SBF competition heads are recommended for displacements up to 408 cu. in., and operating up to 6500-6800 rpm. They are not compatible with OEM pistons. They are available with or without EGR and air pump, as well as with either 58cc or 72cc chamber sizes. Components for these AFR cylinder heads include: * Competition 5-angle valve job * 8mm bead lock intake valve * 8mm bead lock exhaust valve * PAC racing spring 1.270 in. O.D. hydraulic roller dual valve spring; 155 lbs. on seat, .650 in. maximum lift, maximum rpm 7000 to 7200 * 7 degree chromoly retainers * 7 degree bead lock valve keepers * 7/16 in. rocker studs * Adjustable 5/16 in. guide plates * Viton® valve seals * Hardened valve spring I.D. locator * Ductile iron intake valve seats 2.131 in. O.D x 1.680 in. I.D x .375 in. deep * Ductile iron exhaust valve seats 1.650 in. O.D x 1.350 in. I.D x .375 in. deep * Bronze valve guides * Air injector reducer bushing
( 3 )
$2,691.00
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.
( 56 )
$187.00
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$235.00
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.
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$18.00
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$187.00
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.
( 3 )
$13.99
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$186.00
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!
( 2 )
$7.99
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$103.00
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.
( 50 )
$232.00
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.
( 2 )
$2.10
AFR Valve Seat Inserts
AFR valve seat inserts are the perfect replacements for existing worn or damaged components in your high performance vehicle. They are made of premium-quality materials and built to exacting tolerances to offer an exceptional fit to prevent valve leaks.
( 1 )
$13.99
AFR Inconel Valves
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
$436.00
AFR Enforcer Top End Kits
AFR offers Enforcer top-end kits for a wide range of Chevy and Ford small block engine applications from the 1950s and up. The kits include straight or angle plug Enforcer cylinder heads (* see below)—plus single or dual plane intakes, valve covers, gaskets, head bolts, intake manifold bolts, spark plugs and more. Order the kit recommended for your year/make and engine. * AFR SBC Enforcer cylinder heads feature 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. engine operating below 6,000 rpm. They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads, such as ARP rocker studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks, hardened spring cups and ductile iron seats, and one -piece 8mm 21 4N stainless steel valves.
Not Yet Reviewed
$2,883.00
