Blitz .660"Platinum Spring Kit "LS3"
Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070" This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA
Note: This kit is a direct drop in kit for stock applications using stock valves and guides.
Items included in purchase:
(1) Blitz .660" Platinum Spring Kit: (16) Springs, (16) Retainers, (16) Locks, (16) .505" locators (for stock guides), (16) Valve Guide Seals