Looking for that extra Power?

Racing Camshafts
Racing Valve Spring Kits
Racing Forged Inlet & Exhaust Valves
Shop now

Featured Products

Who We Are

Global Reach, Local Support

Serving South Africa, the UK, and Mexico City—quality parts, worldwide.

Built on Expertise

Founded by Simon Johnstone in 2003, with over 34 years in performance engineering.

Performance, Powered

From motorsport roots to global reach—STK delivers quality, reliability, and value.

Engineered to Perform

STK delivers precision-crafted camshafts and valve train parts—built for power, made to last.

Shopping Cart