R&R T.C.® Style Gear Drive Camshaft (TC688 Grind) 99-06 (Except 06' Dyna®)

R&R Camshafts are specifically designed to be used in high performance engines. Higher compression, headwork, higher flowing intake and exhaust and performance ignitions are a must to achieve the full potential of these grind cams. Designed for 10.8:1 and higher compression. SPECS: Grind: TC688 Timing: 33/66 - 76/30 Duration @ .053: 282/286 Lift: .680" - .680" TDC Lift: .287" - .255" Gear Drive Only NOTE: For use with any 99'-06' Gear Drive T.C.® Style Engine (Except 06' Dyna®)