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| LS Valve Spring and Retainer Kit, NexTek, Polished Double Spring, .660" Max. Lift, 8mm Stem Diameter, 7° Machined Lock, Includes: Springs, Steel Retainers, Locators, Valve Locks, and Viton Seals | 
| LS Valve Spring and Retainer Kit, NexTek, Polished Double Spring, .660" Max. Lift, 8mm Stem Diameter, 7° Machined Lock, Includes: Springs, Steel Retainers, Locators, Valve Locks, and Viton Seals |