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Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.295 in. Spring O.D., Kit

Manley NexTek valve spring and retainer kits are designed and manufactured for optimum consistency, run after run, lap after lap. They are manufactured from super clean high-tensile chrome silicon steel that has been shot peened to MIL specs for maximum fatigue life. Proven to have less load loss than many other springs, they exhibit superior fatigue life and enhance valvetrain stability--everything that counts in winning races!