Description
- High efficiency four-valve heads
- Greater flow efficiency shortens timing durations while boosting performance
- Boost power from your stock engine with RPM range of 1000-5800
- INTAKE: Timing at .050 = 00/20.M460 grind.CL = 100.Duration at .053 = 200.Duration at .020 = 233.Valve lift = .460.Lift at TDC = .080.Stock springs
- EXHAUST: Timing at .050 = 38/02.CL = 108.Duration at .050 = 220.Duration at .020 = 258.Valve lift = .460.Lift at TDC = .086







