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 prevent valve float, there for allowing your truck to run more efficiently and make more power safely. This comes as a complete kit with conical valve springs, billet steel retainers, chromoly spring seats and valve locks to provide the best durability and reliability to your valve train.

Features:

– Helps Prevent Valve Float

– Increased Performance

– Rated up to 130psi Boost/Drive Pressure

– Rated up to 5000rpm

– 32 Conical Valve Springs

– 32 Billet Steel Retainers

– 32 Chromoly Spring Seats

– 64 Valve Locks

– Fits 2001-2016 LB7, LLY, LBZ. LMM, LML 6.6L Duramax Engines