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This COMP Cams ID spring locator set includes 12 hardened steel lower seats with a 1.300" outside diameter, .520" inside diameter and .060" thickness. Each locator uses an internal shoulder to center and retain a valve spring on the guide, offering repeatable seating for retainers and simplifying installation or service where matched seat dimensions are required.
COMP Cams Spring Seats GM LS1 1.300in X
