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GM Performance Head Bolt set suit staggered bolt style LS1's
190" thick
Looking to refresh your timing chain set
Genuine GM performance LS7 lifters
Reduces excessive engine wear and horsepower losses by preventing oil temperatures from dropping below optimal levels
BARBELL PLUG, LS ENGINE OIL GALLERY, DOUBLE O'RING (EGM-501) Cathedral port GM Performance Head Bolt setOverview Improved Racing designed this billet aluminum rear galley plug (commonly known as the "barbell") for Gen III and IV GM LS series engines to improve oil flow and completely eliminate dirty engine oil from bypassing the filter. This part is recommended for replacing the plastic OEM plug in any engine build. Improved Racing's barbell features a second O ring that completely seals off the dirty oil from the clean oil, forcing 100% of oil flow