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Reduces excessive engine wear and horsepower losses by preventing oil temperatures from dropping below optimal levels
Wireless Sensors
valve seals and spring locators and represents a drop-in installation for many popular LS applications
BARBELL PLUG, LS ENGINE OIL GALLERY, DOUBLE O'RING (EGM-501) Cathedral port NOTE: All digital product salesOverview 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