Product Description Specifications Great replacement for 383 Magnum with 650-750 CFM carb, dual plane manifold, etc. Smooth idle 440, super torque. CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshafts Clearance Item: N Core: N LTL: N MPN: SK21-215-4 Proposition 65: Y Special Order: Y