Michigan Motorsports. 645 LS Dual Valve Spring Kit with Steel Retainers LS1 LS3
645 LS Dual Valve Spring Kit w/ Steel Retainers. Will not fit LS7 or LS9 applications, or aftermarket heads with bronze valve guides. Michigan Motorsports’ dual valve spring kits are ideal for camshafts up to. 645 lift, which covers the vast majority of aftermarket LS camshaft options. These springs strike the perfect balance of having enough spring rate to control your factory-style LS valvetrain at 7,000rpm, while still being mild enough to provide long life of valvetrain components in daily driver applications. Springs are polished for reduced fatigue and extended service life, while the 2-piece locator/seal design allows for shimming of the seat height if desired. 16 x Polished Dual Springs. 16 x Steel Retainers. 32 x Valve Locks. 045 Thick Locators for stock or. 16 x Valve Seals for Dual Spring Setups. LS1 LS2 LS3 LS6 LM7 L33 LFA LSA LH6 LQ4 LQ9 L76 L92 L99 L96 LC9 LY6 LMG LH8 LR4 LM4 L59 L77.
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