Drag Racing Wiring Harness and Components - Free Shipping Shop Drag Racing Wiring Harness and Components parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Drag Racing Wiring Harness and Components parts in-stock with same-day shipping.4.7/5(184)Founded: Jan 01, 1952 Painless Pro Street/Drag Race Wiring Harnesses | JEGS Wiring Harnesses for Winning Racers Why start at square one when a complete wiring harness from Painless Performance is ready to go? The last thing you need to worry about at a race is a wiring problem. Save time to work on other parts of your racecar. Make sure it is done right with a Painless Wiring Harness.