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!

More From This Category

Crow Cams SPRING SEAT 1.250" 0.88" BOSS

Crow Cams SPRING SEAT 1.250" 0.88" BOSS

$15.27

Crow Cams Performance Valve Springs, Set of 16

Crow Cams Performance Valve Springs, Set of 16

$664.00

Trick Flow Valve Spring Retainers, Steel, .875 in. Outside Diameter, .620 in. Inside Diameter, Set of 8

Trick Flow Valve Spring Retainers, Steel, .875 in. Outside Diameter, .620 in. Inside Diameter, Set of 8

$68.59

MANLEY Valve Lock, Super 7 Degree, Bead Loc, Steel, .3110 in. Stem, Set of 8

MANLEY Valve Lock, Super 7 Degree, Bead Loc, Steel, .3110 in. Stem, Set of 8

$96.06

MANLEY Valve Spring Shims, Hardened, Steel, 1.480 O.D, .015 in. Thick, Set of 50

MANLEY Valve Spring Shims, Hardened, Steel, 1.480 O.D, .015 in. Thick, Set of 50

$69.69