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 hi-tensile chrome silicion 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!

Number of Springs Per Valve: Dual

Valve Spring Style: Standard

Valve Stem Diameter (in): 0.314 in.

Valve Stem Diameter (mm): 8.00mm

Retainers Included: Yes

Retainer Material: Titanium

Locks Included: Yes

Lock Style: 7 degree

Lock Groove Quantity: 1-groove

Lock Material: Steel

Outside Diameter of Outer Spring (in): 1.295 in.

Coil Bind Height (in): 1.100 in.

Damper Spring Included: No

Spring Rate (lbs/in): 379 lbs./in.

Inside Diameter of Outer Spring (in): 0.949 in.

Inside Diameter of Inner Spring (in): 0.676 in.

Valve Springs Coated: No

Valve Stem Seals Included: Yes

Valve Guide Diameter (in): 0.500 in.

In Store Pickup: Anaheim, CA, USA

Return Policy

Manley NexTek Valve Spring and Retainer Kit 26361734KLS

Quantity