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

MANLEY Valve Spring Retainer, Titanium, 10 Degree, +.100 in., 1.550 in. OD., Double, Set of 16

MANLEY Valve Spring Retainer, Titanium, 10 Degree, +.100 in., 1.550 in. OD., Double, Set of 16

$397.87

View
COMP Cams Engine Valve Spring Seat, OD Spring Locator, 1.830 in. OD, .640 in. ID, .060 in. Thick, Set of 16

COMP Cams Engine Valve Spring Seat, OD Spring Locator, 1.830 in. OD, .640 in. ID, .060 in. Thick, Set of 16

$111.38

View
MANLEY Valve Lock, Super 7 Degree, Bead Loc, Titanium, .3110 in. Stem, Each

MANLEY Valve Lock, Super 7 Degree, Bead Loc, Titanium, .3110 in. Stem, Each

$21.98

View
COMP Cams Valve Seal, Metal Viton, .530 in. Guide Size, 5/16 Valve Stem, Set of 16

COMP Cams Valve Seal, Metal Viton, .530 in. Guide Size, 5/16 Valve Stem, Set of 16

$34.66

View
MANLEY Valve Lock, 10 Degree Machined, Conventional, Titanium, .3715 in. Stem, Each

MANLEY Valve Lock, 10 Degree Machined, Conventional, Titanium, .3715 in. Stem, Each

$18.94

View
COMP Cams Valve Lock, Race, Hardened Steel, Machined, 7 Degree, 8mm Stem, Single Groove, Pair

COMP Cams Valve Lock, Race, Hardened Steel, Machined, 7 Degree, 8mm Stem, Single Groove, Pair

$3.78

View