Product Description Specifications This bolt is 1.50" long with M16 diameter for GM L92 camshafts. This bolt is designed to prevent breakage, rated at 170,000 psi. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshafts Core: N LTL: N MPN: 5458 Proposition 65: Y Special Order: Y