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The COMP Cams flat guide plate for GM LS cathedral-port heads is hardened and black-oxide finished for durability and intended for 3/8" pushrods with 8mm rocker studs. Produced using stereo lithography for accurate stud placement and rounded contact points, this single guide plate helps maintain control in high-lift and high-spring-pressure valvetrain setups and pairs with Ultra Pro Magnum GM LS rocker components.
COMP Cams Guide Plate GM LS1 3/8 Flat
