Performance

Mini XRX, XRXR Centrifugal Clutch Upgrade 10 Tooth

Go-Kart Centrifugal Clutch  Chain Clutch Fits on Engine Shaft Fits TrailMaster Mini XRX Plus And Mini XRX-R Plus Go-Karts w/16" Tires 10 Teeth- Min

TrailMaster 150 & Challenger 150 Upgrade Power Torque 12 Tooth Top Sprocket

Go Kart Top Sprocket 12 Tooth 150 Gearcase Sprocket Approximately 15% Increase In Torque Over Stock 14 Tooth Sprocket Quicker Acceleration

150 Seat Belt UPGRADE, 5 Point - Complete Set of 2

Go-Kart Seat Belt Set 5 Pt. Red UPGRADE Fits All 150cc TrailMaster & HammerHead w/ 5 Point Harness Heavy Duty One Lever Quick Release - No Plastic Ha

Performance Clutch Spring Set - Trailmaster Go Kart 150 XRS & 150 XRX

Go Kart 150cc Performance Clutch Spring Set Higher Engagement - 1500 RPM More Than Factory Includes New Springs For Rear Clutch Assembly Great For Hilly Terrai

TrailMaster 150 Carburetor Bowl Screws

Go-Kart Carburetor Screws TrailMaster Carburetor Screws Fits TrailMaster 150 XRS & TrailMaster 150 XRX Go-Karts Fits Many 150 Carburetors Will Replace Tamper Proof Original Screws    <