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![Polished NexTek H.P. Double Valve Spring Kit [GM Gen V LT4]](https://www.jegs.com/images/mini_750/600/660/660-2636lt4ks.jpg)
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GM Gen V LT4
NexTek H.P. Double Valve Spring KitGM Gen V LT4 1.295 in. O.D. 0.676 in. I.D. 379 lbs.-in. Spring Rate 155 @ 1.810 / 405 @ 1.150 in. 0.660 in. Max Lift 7 Degree Titanium Retainer Viton Valve Seals
Valve Spring Specs: p/n 660-221436-16
- Type of Spring: Polished Double Coil without Damper
- Installed Height and Pressure: 1.800 in. @ 155 lbs.-in.
- Open Height and Pressure: 1.110 in. @ 405 lbs.-in.
- Spring Rate: 379 lbs.-in.
- O.D.: 1.295 in.
- I.D.: 0.676 in.
- Coil Bind height: 1.100 in.
- Weight: 93 grams
- Damper Included: No
Valve Lock Specs: p/n 660-13098-16
- Material: Machined Steel
- Lock Angle: 7 Degree
- Valve Stem Diameter: 8 mm (.3135 in.)
- Installed Height: Standard
- Valve Stem Groove Type: Single Radius Chevy LS
- Weight: 2.6 grams
Valve Stem Seal Specs: p/n 660-24042-16
- Material: Viton
- Valve Stem Diameter: 5/16 in. / 8 mm
- Guide O.D.: 0.500 in.
- Installed Seal O.D.: 0.608 in.
CNC Machined I.D. Spring Locators p/n 42162-8 (Intake), 42165-8 (Exhaust)
7 Degree Titanium Retainer p/n 23602-16 (Intake), 23623-8 (Exhaust)
Part TypeValve Spring
BrandMANLEY
Package Height3.8
Package Width4.0
Package Length15.4
Weight5.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Package Qty1
Package TypeEA
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