MSD LS Ignition Control - Black 20602L then install the new distributor

then install the new distributor with the rotor and advance can pointing in the same direction as on the old distributor

GMC: C2500 99 - 00 5

688 in Bar

Ranger 1960-1958

MSD LS Ignition Control - Black 20602L then install the new distributorAs the popularity of GM LS engines continue to grow, so does the demand for a powerful, reliable and easily adaptable ignition system. MSD has answered this demand with an updated and improved version of the popular 6LS box. Whether using a stock crate engine or building a custom powerhouse, the MSD LS Ignition provides the control you need to achieve the performance you want. Dial in the perfect tune for your LS using the easily adjustable preset