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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.

STK Camshaft Warranty

STK Performance warrants that all Performance Camshafts are free from defects in material , workmanship and against excessive wear…

April 29, 2025
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Break-in Process

STK Performance Valve Train Products (VTP’s) are manufactured from the finest Quality Materials available and have been Developed &…

April 29, 2025
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At STK Performance, we specialize in premium Cylinder Head Components for performance-driven builds. Our experienced team is here to help you find the perfect parts, whether you’re tuning your first engine or building race-ready machines.

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