6-Pin Racing CDI & Ignition Coil Set for GY6 50cc, 125cc, 150cc Yerf Dog, Go Kart & ATV

GOOFIT Modified Racing Ignition Set – GY6 High-Performance Series

Built for the track, proven on the trail. The GOOFIT Modified Racing Ignition Set is a professional-grade upgrade for the GY6 engine platform. Specifically engineered for competition, this set includes a No-Limit 6-Pin CDI and a High-Tension Ignition Coil, designed to eliminate factory restrictions and provide a hotter, more consistent spark at high RPMs.

Whether you are navigating a rainforest trail or competing on a Go-Kart circuit, this kit is built to endure. The components feature high-temperature resistant shells and moisture-proof internal coatings, protecting the sensitive circuitry from the corrosion, shocks, and extreme heat typical of off-road racing.

Product Compatibility

This performance set is a direct upgrade for 4-stroke GY6 engines:

• Engine Codes: 139QMB (50cc-80cc), 152QMI (125cc), and 157QMJ (150cc).
• Vehicle Types: Go Karts (including Yerf Dog), ATVs, Scooters, Mopeds, and Dirt Bikes.
• Fitment: Compatible with all major Chinese brands (TaoTao, Roketa, Sunl, Kazuma, Jonway, etc.).
• Important Note: This set is not a replacement for Hammerhead Twister GT/GTS/SS models.

Key Technical Specifications:

• CDI Type: 6-Pin (4+2) AC-Fired Racing Module.
• Ignition Coil: High-output performance windings with a durable spark plug boot.
• Protection: Vacuum-coated circuit board (anti-corrosion and shockproof).
• Thermal Rating: High-temperature stabilized housing for extreme engine bay heat.

Why Choose the GOOFIT Racing Ignition Set?

• Competition-Tested Performance: Developed for the rigors of Go-Kart track races and off-road ATV events, this set provides a noticeable improvement in throttle response and top-end power.
• Environmental Resilience: The specialized internal coating prevents failure in wet or humid conditions, making it the ideal choice for "Rainforest" style off-roading where mud and water are constant factors.
• Eliminate Rev-Limits: The modified CDI resets the ignition advance curve, allowing your engine to rev freely and reach its true speed potential without the interference of a factory governor.
• Rational, Plug-and-Play Design: All components are engineered with standard interfaces for a quick, hassle-free installation, ensuring you spend less time in the pits and more time on the track.

What's in the Box?

• 1 x 6-Pin Racing CDI Box.
• 1 x High-Performance Ignition Coil.