TSP Gen V LT1, L83 and L86 .660 Dual Valve Spring Kit with PAC Springs and Titanium Retainers
Texas Speed & Performance .660-inch dual valve spring kit developed specifically for Gen V LT1, L83 and L86 engines. The taller installed height and application-specific PAC springs make this the correct package for compatible Gen V camshaft upgrades.
- Set of 16 Gen V-specific polished PAC dual valve springs
- Titanium retainers
- PRC integrated spring seats and valve seals
- 1.900-inch installed height
- 160 lb closed pressure at 1.900 inches
- 406 lb open pressure at .650-inch lift
- 425 lb open pressure at .700-inch lift
- .660-inch recommended maximum lift
- 1.090-inch coil bind height
Fitment note: For compatible Gen V LT1, L83 and L86 cylinder heads. These are not the same springs used in standard LS spring kits. Factory valve locks are reused and are not included.
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