Plug-In; MSD To GM Dual Connector Coil
This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled [Non-Emissions Controlled] Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Ignition Wiring Harness
WARNING CA Proposition 65:No
MSD Ignition control are easy to install, but we also offer several direct plug-in harnesses for late model vehicles! The harnesses plug directly into your factory coil and harness then four color coded wires plug into the corresponding wires of the MSD.
Additional Fitment Information:
1991 - Chevrolet C3500
8 Cyl 5.7L
1 Products for Engine Wiring Harness.