Tooley Racing BTR .660

Tooley Racing BTR .660" Extreme Dual Spring Kits

Tooley Racing BTR .650

Tooley Racing BTR .650" Max Pressure Dual Spring w/Titanium Retainer Kits

Tooley Racing BTR .660" Extreme Dual Spring w/Titanium Retainer Kits

BTR .660" Lift Dual Spring Kit for LS engines using stock rocker arms.  Includes dual polished springs with the outer spring coated gold, matching tool steel 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, coild bind @ 1.070"  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.

$289.00
SKU
BTR-SK003

BTR .660" Lift Dual Spring Kit for LS engines using stock rocker arms.  Includes dual polished springs with the outer spring coated gold, matching tool steel 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, coild bind @ 1.070"  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.

More Information
SKU BTR-SK003
Manufacturer Brian Tooley Racing
Application Guide All GenII and GenIV powered GM Vehicles
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