Valve Springs Valve Springs 0.630 in. ID – 1.274 in. OD – 0.750 in. Max Valve Lift (Set of 16) #PAC-1238X
In stock
SKU
68437-16
Valve Springs 0.630 in. ID – 1.274 in. OD – 1.800 in. installed Height – 0.750 in. Max Valve Lift (Set of 16)
PAC Racing’s RPM Series Dual Valve Springs #PAC-1238X are constructed using our signature PACaloy super clean wire and are heat-treated in-house for precision spring rates and improved strength. They also receive a multi-peen process, polishing, and a Nano-Peen™ proprietary surface treatment for service life optimization. These springs fit GM Gen III/IV LS engines with specific part numbers for stock heads and aftermarket heads.
- Built using our signature PACaloy super clean wire to ensure strength and durability
- In-house heat-treating for precise spring rates and increased strength
- Multi-peen process to optimize service life
- Polishing to improve operating cycles
- Nano-Peen™ proprietary surface treatment
$558.49