VALVE SPRINGS / RETAINERS

PPE 110090050 2001-2016 GM 6.6L DURAMAX VALVE SPRINGS, RETAINERS, AND KEEPERS COMPLETE KIT

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...

PPE 110090080 2001-2016 GM 6.6L DURAMAX VALVE AND SPRING KIT PERFORMANCE

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...

INDUSTRIAL INJECTION 44B801 GM PERFORMANCE VALVE SPRING KIT FOR 01-16 6.6L DURAMAX 130LB.

The Industrial Injection Duramax 130lb. Performance Valve Spring Kits were designed with performance in mind. We recommend this valve spring kit for engines that are pushing over 45psi boost and/or 3200rpm. This performance valve spring kit will help...

WAGLER WCPC6643 DUAL VALVE SPRING KIT WITH STEEL RETAINERS 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML

Enhance the performance of your GM 6.6L Duramax engine with the WCP Duramax Dual Valve Spring Kit with steel retainers. Specifically designed for the 2001-2016 Duramax LB7/LLY/LBZ/LMM/LML models, this dual valve spring kit is engineered to deliver...