Kuvaus

.490″ valve lift. The low compression version of the Andrews B cam. High lift combined with short duration will improve performance on low compression engines (8:1 C.R. or less). Note: For 81-82 models. The height of original stock H-D valve guides restricts spring travel (and valve lift) to .430″ or lower.L77-84 Shovelhead with low compression pistons (NU)