AFR 165cc SB-Ford Outlaw Street Cylinder Head

For the ultimate small block Ford street car, you've got to use AFR's all new 165cc emissions legal cylinder heads. Unlike some aftermarket heads, AFR's Ford head (CARB EO #250-3) fits all your stock components; no special parts are required! With 1.900 intake valves, 1.600'' exhaust valve, and combustion chamber volumes of 58cc or 6occ, and 69cc exhaust ports, AFR's new 165cc Ford head is perfect for 289 and 302 engines operating from idle to 6000 rpm. A 3/4'' thick head deck makes the Airflow Research head ideal for nitrous or blower applications. Will not accept rail rocker arms. Hardened push rods required with part numbers 1400 and 1402. Note: 1986 5.0L must have piston notched for clearance.

AFR 165cc SB-Ford Outlaw Street/Strip Non-Emission Legal Cylinder Head

No heat riser or air pump holes. These aluminum cylinder heads come ready for the maximum street/strip Small Block Ford performance possible. They are not emissions legal. The 165 comes with lightweight 8mm 1.900 intake and 1.600 exhaust valves. Cylinder heads feature 58cc combustion chamber with 68cc exhaust ports. With AFR's trademark 3/4" thick head deck, it's no problem handling that additional cylinder pressure. Hardened pushrods required. Each head is also drilled for the larger 1/2" head bolt hole for maximum head gasket retention as a standard feature of this serious race piece in street disguise.

AFR 185cc SBF Outlaw Street Cylinder Head

If you need the world's finest street/strip small block Ford head, check out AFR's all new 185cc intake port emissions legal (CARB EO #250-3) cylinder heads. With 2.020 intake valves, 1.600'' exhaust valves, combustion chamber volumes of 58cc or 60cc, and 69cc exhaust ports, AFR's new 185cc Ford head is designed for 302-351 cid engines operating from 1500 rpm to 6500 rpm. A 3/4'' thick head deck makes the AFR head ideal for nitrous or blower applications. Will not accept rail rocker arms. Hardened pushrods required with heads #1420 and #1422. High flow 2.020 valves might require aftermarket pistons notched for valve clearance. Note: 1986 5.0L must have pistons notched for clearance.

AFR 205cc SBF Outlaw Race Cylinder Head

If you're looking for the world's finest street/strip head available, AFR's 205 head is your answer. With 2.080 intake valves, 1.600 exhaust valves this head moves tremendous volumes of air through conservative runner volumes, spelling big torque and horsepower numbers. With combustion chamber volumes of 58cc accompanied by 70cc exhaust parts which are raised .125 higher than stock, AFR's new 205cc is the ultimate choice for 331 through 392 engines operating from 3500 RPM to 8000 RPM. AFR's trademark 3/4'' thick head deck makes them ideal for heavy nitrous or blower applications. With available optional nitrous or blower exhaust ports featuring 75cc, 80cc ultra high flow exhaust ports.

AFR 225cc SBF Outlaw Race Cylinder Head

Are you looking for big torque and horsepower number? Only AFR's 225cc will provide you with exactly that. With the largest intake and exhaust runner volumes for our in-line Ford line up, these are the ultimate for NMRA Renegade or Hot Street classes. With 2.080 intake valves and 1.600 exhaust valves these heads move massive amounts of air. Combustion chamber volumes of 58cc accompanied by 80cc exhaust ports which are raised .375 higher than stock. AFR's new 225cc is the perfect choice for 347 through 427 CI windsors engines operating between 4500 to 8500 rpm. The trademark 3/4'' thick head deck makes them ideal for heavy nitrous or blower applications.