Air Flow Research Head Bolt Bushing 7/16"-7/8", SBF

AFR SB 289/302/351W Ford Cylinder Head Bushing Kit

AFR’s SB Ford Cylinder Head Bushing Kit is CNC-machined, through-hardened ARP 8740 chromoly to reduce the head bolt size from 1/2” to 7/16”. These bushings are designed to control the additional machined space and protect the holes from galling. Set of 20.

• Cylinder Head Bushing, 0.500 in OD, 7/16 in ID, Steel, Black Zinc Oxide, Small Block Ford, Set of 20 - Brand: Air Flow Research - Part Number: 6324