Seller notes

Untitled DocumentView StoreFeedbackBrian Tooley/BTR .660" Dual Valve Spring Kit Titanium - 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:Titanium RetainersLocators for Stock Guides (.505" ID/.060" Thick) - If another locator is desired, please message us.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 sprin...

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