Manley GM LS Series .660in Max Lift Valve Spring and Retainer Kit
This product is currently out of stock at StraightSixImports and must be brought in from the manufacturer. If you're working under a specific timeline, please contact us before ordering to confirm lead time and availability.
Manley LS and LT Valve Spring Kits provide a complete, engineered solution, ensuring seamless compatibility for higher-lift camshafts and eliminating concerns with mismatched components.NexTek? Valve Springs are manufactured from "super clean" Hi-Tensile Chrome Silicon steel and shot-peened to MIL spec for maximum fatigue life. Spring No. 221436-167? Steel Retainer CNC machined to exacting tolerances and made of thru-hardened 4140 chromoly. Retainer No. 23621-16 (+.050" Installed Height)I.D. Valve Spring Locator is CNC machined, heat treated, and black oxide finished. Locator No. 42334-16 (.505" ID)7? Machined Valve Locks use the highest quality steel alloy and are heat treated and black oxide finished. For 8mm (.3135") valve stem. Lock No. 13098-16Viton Valve Stem Seals offer exceptional resistance to heat, chemicals, and oils. Seal No. 24042-16Note: Max. lift figures above may vary depending upon the cylinder head and installed height.