The Hamilton Cams Competition valve springs allow higher boost pressures and rpm without valve float or unacceptable levels of reversion.
Correct valve spring pressure is very important to power production in your Cummins.
Cummins Engine ISB 5.9L/6.7L
Dodge RAM 1998.5-2018
Features:
- 24 Valve Competition Springs
- Good to 6,500 RPM
- For Competition Use
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