MSD LS Coil Power Upgrade Harness - For Use w/ MSD LS Coil Packs 35453XLGBK stainless steel maximizing strength and

stainless steel maximizing strength and durability

and 409 OEM performance engines

Since the Pyrovatex ® process combines a chemical agent with the raw cotton fibers to create a bond at the molecular level

Premium lowers utilize alloy steel

Retains factory-style spring cup

MSD LS Coil Power Upgrade Harness - For Use w/ MSD LS Coil Packs 35453XLGBK stainless steel maximizing strength andThis harness has been made by MSD to correct a check engine light issue that can arise in vehicles using the MSD LS Coil Packs on their engines. This harness will supply additional battery voltage to the coils in order to fire the coils properly and not drain other engine systems of power. This is necessary due to the varying wire gauges used on production vehicles. MSD LS Coil Power Upgrade Harness 88867 For Use w MSD LS Coil Packs LS Coil Power