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The COMP Cams .660" Lift Dual Spring Kit with Chromemoly Steel Retainers for GM LS features:_x000D_ _x000D_ .660" max lift_x000D_ Specifically designed for hydraulic Roller and some Solid Roller Applications_x000D_ Kit includes .660" lift dual springs, Chromemoly retainers, valve locks, seats, and Seals_x000D_
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
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