This hydraulic roller design contains eccentric for mechanical fuel pump. The duration at .050" tappet lift (intake/exhaust) is 222/230; and maximum lift with 1.5:1 rocker ratio (intake/exhaust) is 509/528. Valve lash is zero/zero and lobe centerline is 112 degrees.
2006 Porsche 997 Carrera S coupe
2010 BMW 535xi
1979 Porsche 911SC coupe
1972 Coupe ZZ383-500 w/Sidepipes/2004R/Vintage Air/etc
2004 Toyota Tundra Double Cab