Product Description Specifications Hydraulic Roller - Xtreme Energy Computer Controlled: Mild modifications, 3.27-3.73 gear, mass air, larger throttle body.; 266/274 Advertised Duration, 216/224 Duration .050", .544"/.555" Lift, 112 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: 35-514-8 Proposition 65: Y Special Order: Y