Pair of Assembled Air Flow Research Aluminum 185CC Cylinder Heads with 58CC Combustion Chambers for Small Block Ford Engines without EGR.

These heads come ready for the maximum street or strip Small Block Ford performance possible. AFR’s 185cc heads feature lightweight 8mm 2.020" intake and 1.600" exhaust valves with 58cc combustion chambers and 70cc exhaust ports. With AFR's 3/4" thick head deck, there is no problem handling the increased cylinder pressure. Each head is also drilled for the larger 1/2” head bolt for maximum head gasket retention as a standard feature of this serious race piece in street disguise.

Cylinder Head Specifications:
Intake Port Size: 185cc
Exhaust Port Size: 70cc
Combustion Chamber Size: 58cc
Intake Valve Size: 2.02"
Exhaust Valve Size: 1.60"
Stud Mount Rockers: 3/8"
EGR: No

*Small block Ford engines refers to 289/302/351 Windsor engines; 289/302 engines require head bolt bushings.

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