Product Description Specifications Hydraulic: Serious street/strip effort. 9.5:1 to 10.5:1 comp. Aftermarket manifold, headers and 3.91 Gear. 3000-3500 stall in automatic cars. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshafts Core: N LTL: N MPN: 20-243-4 Proposition 65: Y Special Order: Y Clearance Item: N