Interchange Part Number:Steel Retainers, LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA. LS1 LS2 LS3 LS4 LS6 LQ4 LQ9 4.8 5.3 6.0 6.2. Steel Retainers (16). 660 Lift Dual Valve Springs (16). Fits Gen3 and Gen4 LS Engines.
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