MSD Wiring Harness 42143 XP4 offers low cost protection

XP4 offers low cost protection for racers who want to use non-synthetic oil

locking connector

Due to the great success of the Simpson Racing Holeshot-20 Drag Glove

Increased exhaust velocity adds power

MSD Wiring Harness 42143 XP4 offers low cost protectionMSD Wiring Harness ASY17296 Product Description: Ignition Wiring Harness MSD 6ALN Ignition Sold Individually Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you need to meet your performance goals. We continue to innovate and invent components and technology that deliver performance