6-Pin AC CDI, 135° Ignition Coil & 42mm Air Filter for GY6 50cc-150cc

GOOFIT 3-in-1 Engine Performance Refresh Kit – GY6 50cc-150cc Series

Revitalize your ride with one complete package. The GOOFIT 3-in-1 Performance Kit is the ultimate maintenance solution for the GY6 4-stroke engine (139QMB, 152QMI, 157QMJ). This bundle addresses the three most critical areas for engine health: ignition timing, spark intensity, and air intake. Whether you are dealing with a sluggish moped or a hard-starting ATV, this kit provides the high-quality components needed to restore throttle response and top-end power.

By combining a high-output ignition coil, a digital AC CDI, and a high-flow air filter, this kit ensures your engine breathes better and fires more consistently, leading to smoother acceleration and improved fuel efficiency.

Product Compatibility

This universal kit is a direct fit for 4-stroke horizontal and GY6 engines (50cc–150cc) found in:

• Engines: GY6 139QMB, 152QMI, 152QMJ, 157QMI, 157QMJ.
• Vehicle Types: ATVs, Quads, Dirt Bikes, Pit Bikes, Go Karts, Moped Scooters.
• Brands: Fits most Chinese imports including TaoTao, Buyang, Coolsport, Kazuma, Sunl, Roketa, and SSR.

What’s Included in the Bundle?

1. High-Performance 6-Pin AC CDI (4+2 Pin)

• Type: AC Fired (Alternating Current).
• Performance: Eliminates RPM rev-limiters and optimizes ignition timing for faster engine turnover and smoother power delivery across the RPM range.

2. 135° High-Tension Ignition Coil

• Angle: 135-degree spark plug boot for easy fitment in tight engine bays.
• Power: Delivers a higher voltage spark compared to stock coils, ensuring complete fuel combustion and easier cold-weather starting.

3. 42mm High-Flow Air Filter

• Installation Diameter: 42mm (1.65").
• Function: Features a high-density mesh to provide maximum airflow while filtering out harmful dust and debris, protecting your cylinder and improving horsepower.

Why Choose the GOOFIT 3-in-1 Kit?

• Complete System Sync: Replacing the CDI, coil, and filter together ensures that your ignition and intake are working in perfect harmony, preventing "weak links" in your engine's performance.
• Ruggedized Construction: All components are manufactured using weather-resistant materials designed to withstand the high vibrations and temperatures of off-road and urban riding.
• Cost-Effective Maintenance: Buying these three essential components as a single bundle is more affordable and convenient than sourcing individual parts, making it perfect for a seasonal "tune-up."
• Direct Bolt-On Install: No cutting or splicing required. Each part is designed to match standard factory specifications for a fast and secure DIY installation.

Package Specifications:

• 1 x 6-Pin AC CDI (4+2 pins).
• 1 x 135-Degree Ignition Coil.
• 1 x 42mm Air Filter.