Materials • Engineering • Benefits • Why Choose STK?
When it comes to maximizing the performance of your VW 8V engine—whether in motorsport, fast-road, or high-performance builds—STK Performance provides an unmatched range of camshafts and valve train components engineered for durability, precision, and optimal flow.
Camshafts – STK Engineering for Power and Precision
STK Performance camshafts for the VW 8V engine are available in chilled cast iron
Materials & Manufacturing :
- Chilled Cast Camshafts – Ideal for street/track cars. These are cast in iron molds and feature exceptional surface hardness for excellent wear resistance and durability.
Camshaft Profiles:
- Offered in various lift and duration specs, tailored to NA builds, turbo setups, or drag/street combinations.
- Designed to enhance valve timing, improve intake/exhaust flow, and support power gains across the rev range.
Valve Train Components – Engineered for Reliability at High RPM
STK provides a full suite of precision valve train components to complement camshaft upgrades, ensuring long-lasting performance and high RPM stability:
Cam Followers / Buckets
- Material: High-carbon steel with DLC (Diamond-Like Carbon) or hard-chrome coatings for ultra-low friction and maximum durability.
- Benefits: Minimized valve float, heat resistance, reduced wear under aggressive cam profiles.
Forged Valves
- Material: 214-N forged stainless steel, heat-treated and machined to race spec tolerances.
- Benefits: Lightweight yet strong, suitable for high boost or naturally aspirated performance builds. Enhanced flow characteristics with dished or flat face designs.
Valve Springs
- Material: Chrome-silicon , heat-treated and shot-peened.
- Configuration: Single or dual-spring setups for various performance goals.
- Benefits: High spring pressure control to eliminate valve float and ensure accurate valve actuation at elevated RPM.
Valve Spring Retainers & Seats
- Material: Lightweight Chromoly 4140 hardened steel.
- Benefits: Reduce valve train mass, increase RPM ceiling, improve timing accuracy.
Why Choose STK Performance for Your VW 8V Build?
- Motorsport Proven – Trusted by race teams and performance engine builders across South Africa and beyond.
- Material Quality – Only premium materials are used in the manufacture of each part, ensuring reliability under extreme stress.
- Tailored Performance – Camshaft and valve train combinations are available for street, track, rally, or drag applications.
- In-House R&D – Profiles and components developed with deep knowledge of VW’s 8V platform and its tuning potential.
- Value & Support – STK delivers high-end engineering at competitive pricing with technical support for matching components to your build goals.
The Result:
More power, more reliability, and better valve control—from idle to redline. Whether you’re building a naturally aspirated screamer or a turbocharged monster, STK Performance’s camshafts and valve train components ensure your VW 8V engine delivers every bit of its potential.