Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
This Manley LS and LT valve spring kit pairs NexTek chrome-silicon springs with lightweight tool-steel retainers that are heat treated to Rc 56, plus machined valve locks, I.D. locators, and Viton valve stem seals. The kit lists a maximum lift of 0.660" and is presented as a complete, engineered solution to ensure component compatibility when upgrading camshafts and valvetrain geometry on LS/LT engines.
Manley Chevy LS Valve Spring and Tool Steel Retainer Kit (w/ Valve Locks)
