Dual Valve Spring Kit with Titanium Retainers

The JRE LT1 L83 Dual Valve Springs kit represents the latest in valve spring technology, featuring PAC valve springs and titanium retainers. Developed by JRE Performance Parts in partnership with PAC Racing, a leader in valve spring technology, this .660″ dual spring kit is engineered for superior valvetrain control, even with aggressive hydraulic roller camshafts. PAC Racing utilizes a proprietary nano-peening process on its springs. This technique increases the residual stress within the wire by compressing the molecules tightly, thereby improving the molecular bond. This advanced process significantly reduces the likelihood of spring fatigue and ultimate failure, ensuring longevity and reliable performance. The kit is comprehensive, including spring seats, valve seals, dual springs, and titanium retainers. Note that GM factory valve stem locks are required but not included with the kit. This dual valve spring kit is intended for Gen 5 LT1/L83/L86 engines. The .660″ lift rating signifies its capability for high-performance engine builds.