STK

STK Performance is a South African specialist in high-performance cylinder head components, serving tuners, engine builders, workshops, parts retailers, and race teams. Established in 2003, the brand supplies performance parts for Volkswagen, Audi, Opel, BMW, Toyota, and other applications, with products selected for engine builds ranging from road tuning to motorsport.

Its online catalogue includes racing camshafts and camshaft kits, valve spring kits, forged valves, retainers, lifters, and cam buckets. The range features vehicle- and engine-specific options, including components for VW 8-valve and 16-valve engines, Audi 1.8T 20-valve models, and other VAG applications. Customers can browse by category or vehicle and purchase through the online shop.

STK Performance also offers an authorized stockist program for workshops, engine builders, retailers, and race teams, with trade pricing and order-based discounts. The company shares technical articles and product videos to help customers understand its parts, and provides assistance with choosing components through WhatsApp or email. Its focus is on practical product guidance and performance components for builds of varied levels.