Rated for above 800whp, this kit features an increase in spring pressure for extended rpm's. All BC springs from PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy...

Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure long service life with high lift camshafts. Titanium retainers are manufactured in our own double spindle...

Brian Crower is a fairly new company in the Cam and Valvetrain industry, but has quickly made a name for itself for providing quality parts at a reasonable price (a concept thats hard to find in...

Brian Crower Spring and Retainers ValvespringsDesigned for high rpm, Brian Crower valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary...