I have a ready to use freshly rebuilt set of heads same flowing heads as 243 heads ls1 ls2 raise the compression ratio increase power.located in Monticello ky .i will ship on your dime cash in person works best.
Ls3 5364 casting number these came from a late model 6.0 ls3 engine.i had them machined checked and a new valve job with new seals they are 100 percent ready to bolt on. Includes rocker arms 800.00 shipping and fees will be on top of price local pickup in cash 6062196281
