Founded in 1999 by Tom “Kartboy” Deadrick in San Diego, California, under All Wheel Engineering, Kartboy specializes in high-quality drivetrain and chassis components primarily for Subaru vehicles. As an aerospace fabricator with motorsport experience, Deadrick launched the brand to fill a growing demand among WRX/Impreza enthusiasts.

All Kartboy hardware—from short-throw shifter assemblies to shifter bushings, differential wedges, sway-bar endlinks, and oil caps—is designed, CNC‑machined, anodized, and assembled in the USA. They’re renowned for flawless fit, track-proven durability, and driver‑centric performance. 

Whether you're swapping a Subaru gearbox or tightening up the shifting feel, Kartboy’s parts deliver solid, precision driving upgrades. Their simple but effective mission — enhance responsiveness and driving experience — has made them a trusted name in the sport‑compact and Subaru tuning communities.