Racing A7TC Spark Plug Replacement for 50cc–150cc Pit Bike, ATV, Scooter & Go Kart

Product Overview

This Racing A7TC spark plug is designed for high-performance ignition in small-displacement horizontal engines. Engineered to deliver a stronger, more stable spark, these plugs help improve throttle response, cold starts, and overall combustion efficiency across a wide range of 50cc–150cc applications.

Built with heat-resistant materials and precision manufacturing, this is ideal for pit bikes, ATVs, scooters, and go-karts that demand reliable ignition under frequent riding and high-RPM conditions.

Product Compatibility

Engine Displacement	Engine Type	Vehicle Applications
50cc	Horizontal 4-Stroke	Scooter, Mini Bike
70cc	Horizontal 4-Stroke	Pit Bike, Go Kart
90cc	Horizontal 4-Stroke	ATV, Quad
110cc	Horizontal 4-Stroke	Dirt Bike, Pit Bike
125cc	Horizontal 4-Stroke	ATV, Scooter
140cc	Horizontal 4-Stroke	Performance Pit Bike
150cc	Horizontal 4-Stroke	ATV, Buggy, Go Kart

Technical Specifications

Specification	Details
Spark Plug Model	A7TC
Thread Diameter	10 mm (M10)
Overall Length	69 mm (2.71")
Engine Type	Horizontal 4-Stroke
Condition	Brand New

Key Features

• High-Performance Ignition – Racing-style A7TC design delivers stronger and more consistent spark
• Improved Throttle Response – Optimized ignition improves combustion efficiency
• Heat-Resistant Construction – Maintains stable performance under high RPM and temperature
• Reliable Cold Starts – Reduces misfire and starting hesitation
• Direct Replacement – Matches standard A7TC specifications for easy installation