LS .660" Dual Valve Spring Kit Steel Retainers 4.8 5.3 6.0 LS1 LS2 LS3 SK001 USA Engine Mounts Fuel pressure gauge

Fuel pressure gauge

"Vietnamese"

CNC machined flange

High Heat deflection

LS .660" Dual Valve Spring Kit Steel Retainers 4.8 5.3 6.0 LS1 LS2 LS3 SK001 USA Engine Mounts Fuel pressure gauge. 660" Dual Valve Spring Kit Steel Retainers 4. 8 5. 3 6. 0 LS1 LS2 LS3 . 660" Lift Dual Spring Kit for LS engines using stock rocker arms. Kits ship standard with dual polished springs, locks and the following: Chromoly Steel Retainers Locators for Stock Guides (. 505" ID . 060" Thick) Black Valve Seals 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