BTR: LS9 .660 Double Spring Kit [C6 Corvette ZR1, LS9] dod lines must fill

lines must fill

When running the car hard

due to the manufacturer's inability to provide updates during production

These dampers are available in steel or lightweight hard-coated aluminum and come with laser engraved 360° timing marks

BTR: LS9 .660 Double Spring Kit [C6 Corvette ZR1, LS9] dod lines must fillDetails . 660" Lift Dual Spring Kit for LS engines using stock rocker arms. Includes dual polished springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and 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 LS9 engines, will not fit other LS engines. Locator STANDARD SIZE, Stock Guides . 505" ID . 060" Thick