AFR Cylinder Head Aluminum 165cc Intake 3/8" Stud 58cc Chambers Without EGR Pair 289/302

Air Flow Research: AFR-1399
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Product Description

Pair of Assembled Air Flow Research Aluminum 165CC Cylinder Heads with 58CC Combustion Chambers for 289/302 Engines without EGR.

These heads come ready for the maximum street or strip Small Block Ford performance possible. These 165cc performance heads are non-emissions legal and come with lightweight 8mm 1.900" intake valves and 1.600" exhaust valves. As well, they come with 58cc combustion chambers and a 70cc ultra high flowing nitrous exhaust port. With AFR's trademark 3/4" thick head deck, it's no problem handling that additional cylinder pressure. Each head is also drilled with 1/2" head bolt for maximum head gasket retention as a standard feature of this serious race piece in street design.

Cylinder Head Specifications:
Intake Port Size: 165cc
Exhaust Port Size: 70cc
Combustion Chamber Size: 58cc
Intake Valve Size: 1.900"
Exhaust Valve Size: 1.600"
Stud Mount Rockers: 3/8"

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

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