Hydraulic - Mutha' Thumpr Retro-Fit: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.; 287/304 Advertised Duration, 235/249 Duration .050", .501"/.486" Lift, 107 Lobe Separation; Valve spring upgrade required
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
