Product Description Specifications This heat-treated, pre-stretched, double roller timing chain replaces the chain for our 3100KT, 3100KT-5, 3100KT-10 and 3135KT adjustable timing sets as well as our 3100-5 and 3100-10 Hi-Tech timing sets. Category: Engine Components>Timing Chains Core: N LTL: N MPN: 3037CPG Proposition 65: Y Special Order: Y