COMP Cams Spring Seat For Gm LS1 1.400in 4712-1 Locked Offroad Shocks Other features include 1 1/4

Other features include 1 1/4 Inch x

GMC Sierra 1500 Classic (2007) 2WD or 4WD

Base 1959 - 1985 Chevrolet Impala Base 1975 - 1977 Chevrolet Impala Custom 1981 - 1982 Chevrolet Impala Estate 1977 - 1979 Chevrolet Impala Landau 1976 Chevrolet Impala S

Thermal Edge After long idling or various combustion conditions carbon buildup can occur causing misfires

COMP Cams Spring Seat For Gm LS1 1.400in 4712-1 Locked Offroad Shocks Other features include 1 1/4COMP Cams Valve Springs, Retainers 4712 1 ID Spring Locator 1. 400" OD, . 520" ID, . 060" Thickness 4712 1 Spring Seat, for GM LS1 1. 400" Spring COMP Cams Spring Seat For Gm LS1 1. 400in