BTR .660 Platinum Dual Spring Kit for Gen V LV1/LV3 V6 - SK007/0560/BB/V6

BTR .660-inch Platinum dual valve spring kit for Gen V LV1/LV3 V6 engines. Includes 12 springs, titanium retainers, locators, valve seals, locks, and shims. Designed for compatible stock rocker setups. Confirm cam lift and complete valvetrain specifications before installation.