Product Description:
GM Performance 12713265 LS .550" Lift Valve Spring Kit LS1 LS2 LS6 5.3 5.7 6.0 - FREE SHIPPING IN THE CONTINENTAL US ONLY.
Sold as a set of 16 valve springs
GM High Performance LS .550" Lift Springs (Replaced LS6)
These springs are designed for lifts up to .550" with less aggressive ramps!