Ignition Wiring Harnesses

A quality HEI wiring harness eliminates the guesswork of point-to-point wiring and reduces the risk of electrical gremlins that can kill your track day. This pre-assembled QuickCar harness saves hours of fabrication time while Weatherpack connectors...

If you're running an HEI ignition system with an MSD 8727CT rev limiter and QuickCar electronics, this harness eliminates the guesswork of custom wiring. The QuickCar Soft Touch HEI Wiring Harness delivers factory-quality connections with pre-assembled...

Wiring harness reliability can make or break a race weekend—this QuickCar unit eliminates guesswork with a pre-assembled, weatherproof solution engineered specifically for dirt late model racing. Rather than cobbling together loose connections, you get a...

A compromised or worn ignition harness creates weak signal transmission, inconsistent spark timing, and potential misfires that rob your engine of power and reliability. The MSD 8897 replacement harness restores the critical connection between your MSD...

A reliable magnetic pickup connection is critical to ignition system performance, and incompatible connectors can force you into time-consuming rewiring. The QuickCar WeatherPack to MSD Distributor Adapter eliminates guesswork by providing a...

Wiring failures cost race teams time, money, and wins. The QuickCar Crane/FAST 6100-6701 Ignition Wiring Harness eliminates guesswork with a pre-assembled, weatherproof solution that connects your entire ignition system in minutes—no custom fabrication...

A reliable ignition harness and switch panel are critical to consistent starts and dependable operation on the race track. The QuickCar Modified Single Ignition Harness eliminates guesswork with its pre-assembled design and weatherproof connectors,...

A reliable ignition harness is non-negotiable in racing—electrical failures cost races. The QuickCar Single Box Dual Pickup Weatherpack eliminates guesswork with a pre-built, plug-and-play solution that handles dual magnetic pickups, extreme conditions,...

A clean, organized engine bay starts with proper wiring architecture. The Quickcar Ignition Harness Single Box eliminates the rat's nest of factory wiring while providing a reliable, weatherproof connection between your ignition system and switch panel...

UMP and IMCA Modified racers need reliable ignition control that can withstand pit stops, vibration, and unpredictable weather—this QuickCar harness delivers exactly that. The integrated weatherproof design eliminates common electrical failures while the...

A reliable ignition system is the foundation of any race-winning engine build, and this Quickcar harness eliminates the guesswork with factory-grade construction and weather-sealed connections. Whether you're running dual ignition boxes for redundancy or...

A clean, reliable ignition harness is critical for engine start reliability and cockpit functionality—especially in race cars and custom builds where every electrical connection matters. The QuickCar 5' HEI harness eliminates guesswork with color-coded...

If you're running an MSD Digital 6AL/6A ignition system, you need a connector harness that won't fail under track conditions. This QuickCar adaptor eliminates guesswork by providing a direct, weatherproof bridge between your ignition box and engine...

If you're running a remote ignition system like MSD or FAST in your race car or high-performance build, you need a harness that connects your switch panel to the ignition box without compromise. The QuickCar 5' 4-Wire harness eliminates guesswork with a...

A failing or damaged wire harness compromises your entire ignition system, risking misfires and unreliable performance on the track or street. This MSD replacement harness restores the critical electrical connections in your 6A ignition box, ensuring...

A quality wiring harness is the backbone of any reliable ignition system—poor connections lead to misfires, inconsistent timing, and lost power on the track or dyno. The MSD ASY17296 is engineered specifically for the MSD 6ALN ignition system,...

Electromagnetic interference can introduce jitter and signal noise into your MSD ignition's trigger circuit, compromising spark timing precision when it matters most. This 6-foot shielded pickup cable eliminates that noise at the source with a grounded...

If you're running an MSD ignition system with a GM HEI distributor, this bypass cable is the critical link between your high-performance ignition and the distributor's magnetic trigger. Without proper integration, you won't achieve the precise timing...

If your MSD ignition system isn't talking to your distributor or crank trigger, you're leaving performance on the table. The MSD 8860 cable assembly delivers the reliable signal transfer your engine needs for consistent timing and spark delivery, whether...

A quality wiring harness is the backbone of any professional race car's electrical system—poor connections lead to unreliable ignition timing, misfires, and catastrophic track failures. The Longacre Wiring Harness Ignition Panel eliminates guesswork with...