COMP Cams Timing Chain Chevy SB

Replacement Timing Chain for 3100, 3120, 3131, 3135, 3136, 3138, 7100, 7100-5, 7100-10, 7136, 7138, 7138-5, 7138-10, 8100, 8131, & 8138 Hi-Tech Roller Race, Hi-Tech Keyway Adjustable & Ultimate Adjustable Timing Sets This heat-treated, pre-stretched, double roller timing chain replaces the chain for our 3100, 3136, 3100, 3131, 3138 and 3135 Hi-Tech timing sets.