Airflow Research (AFR) Cylinder Heads - In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

AFR 265cc Oval Port Magnum BBC Cylinder Heads

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

4.11 out of 5 stars ( 9 )

$2,907.00

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 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 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.

5.0 out of 5 stars ( 1 )

$2,691.00

AFR 280cc BBF Bullitt 14 Degree Cylinder Heads

AFR 280cc BBF Bullitt 14 degree cylinder heads are your shot to outgun the competition! They feature partially CNC-ported intakes, exhausts, and chambers, A356 aluminum castings, and high-quality components throughout with standard exhaust port locations. This clean-sheet redesign of their Bullitt cylinder heads deliver a decreased overall runner size, a more consistent cross-sectional area, carefully shaped combustion chambers, and repositioned valves to complement the intake and exhaust port design. Together they improve engine response, providing increases in horsepower and torque. The 280cc Bullitt heads are recommended for street, towing, or street/strip engines with displacements up to 477 cu. in., operating up to 6,200 rpm. Load your engine for performance with AFR Bullitts!

5.0 out of 5 stars ( 2 )

$2,606.00