1997-2007 Harland Sharp Roller Rockers - LS1 / LS2 / LS6 (ND)

Bolt-in application. Fits under stock valve covers. Needle bearing full roller fulcrum assembly reduces friction and wear to enhance engine performance. 8mm grade 8 socket head cap screws and pedestals. Uses a .250 diameter shaft, tying two rockers together; no more twisting on the valve. 1.7 ratio