Product Description Specifications Hydraulic - Xtreme Energy: Strong torque. Excellent response, heavy towing in 454 with 4.10 gear.; 262/270 Advertised Duration, 218/224 Duration .050", .504"/.510" Lift, 110 Lobe Separation; Valve spring upgrade required CARB: This product is not CARB Legal and not for sale in California Category: Engine Components>Camshafts Core: N LTL: N MPN: 11-238-3 Proposition 65: Y Special Order: Y