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LS1, LS2, LS3, LS6, LS7, LS9 LSX Engines. 600" Valve Spring Kit For LS1 LS2 LS3. The Spring Kit is a drop-in high performance spring kit for all OE LS cylinder heads and is rated for up to. 600" lift.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.