VALVE SPRINGS / RETAINERS

The valve spring, spring seat/retainer/keeper kit comes installed with each PPE Duramax Cast Iron Cylinder head. The tapered valve springs' higher spring rate and lighter valve train weight enable faster response during higher RPMs and eliminate valve...

The intake/exhaust valve, valve seal, spring, spring seat/retainer/keeper kit comes standard with each PPE Duramax Cast Iron Cylinder head. This kit is specially designed for the GM 6.6L Duramax and contains the components for both driver and passenger...

Fits: 2001-2016 6.6 Duramax Item Type: Industrial Injection Duramax Valve Springs Brand: Industrial Injection Part Number: 44B801 Features: Helps Prevent Valve Float Rated up to 130psi Boost/Drive Pressure Rated up to 5000rpm 32...

WCP Duramax Dual Valve Spring Kit with steel retainers   2001-2016 GM 6.6L DURAMAX 130lb seat pressure at 1.720 (to the top of the retainer) installed height 130lb seat pressure at 1.620 (to the top of the retainer) installed height  Coil bind...