Product Description Specifications Hydraulic Roller - Xtreme Energy Retro-Fit: Great for street machines, needs intake, headers, 2000+ stall, and gears.; 276/282 Advertised Duration, 224/230 Duration .050", .510"/.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: 11-423-8 Proposition 65: Y Special Order: Y