.650" Lift Max Pressure Spring Kit with Titanium Retainers

Spring specs are 150 lbs @ 1.800", 420 lbs @ 1.200" 450 lbs @ 1.150" coil bind @ 1.100" This is a drop in spring kit for the following engines: LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA. This kit will not fit LS9 engines. SK002