For the ultimate Small Block Ford street car, you've got to use AFR's 165cc emissions legal aluminum cylinder heads. Unlike some aftermarket heads, AFR's performance cylinder heads (CARB EO #250-3) fit all your stock components; no special parts are required! With lightweight 8mm 1.900 intake valves, 1.600 exhaust valve, combustion chamber volume of 58cc, and 68cc exhaust ports, AFR's 165cc is perfect for 289 and 302 engines operating from idle to 6000 rpm. A 3/4" thick head deck makes it ideal for nitrous or blower applications.
Cylinder Head Specifications:
Intake Port Size: 165cc
Exhaust Port Size: 68cc
Combustion Chamber Size: 58cc
Intake Valve Size: 1.900"
Exhaust Valve Size: 1.600"
Pedestal Mount Rockers: Yes
*Small block Ford engines refers to 289/302 engines; 289/302 engines require head bolt bushings.
*1986 5.0L must have piston notched for clearance.
*Hardened push rods required on all applications.
*These heads will not accept rail rocker arms.
As you work to upgrade your 289 or 302 Engine to get the best performance possible, cylinder heads are likely on your shopping list. Air Flow Research has more than 30 years of cylinder head development experience and is going to have the perfect cylinder heads for your performance Engine.
Purchase a new Pair of Air Flow Research Pedestal Mount Aluminum 165CC Cylinder Heads with 58CC Combustion Chambers (1472) for 289 and 302 Engines with EGR from CJ Pony Parts today!