ARP 204-4207 Head Stud Kit is the industry standard for serious VW and Audi 1.8T 20V engine builds. Whether you're boosting hard or pushing compression to the edge, this kit delivers the head sealing strength needed to keep everything together under extreme pressure.
Manufactured in the USA from premium 8740 chromoly steel and heat-treated to exacting standards, ARP studs provide exceptional tensile strength and resistance to stretch—critical for high-performance engines. Each stud is centerless ground for precise thread engagement and even load distribution.
- Fits VW/Audi 1.8T 20V engines (transverse and longitudinal)
- Ideal for high-boost and high-compression applications
- Includes studs, 12-point nuts, and hardened parallel washers
- Superior to OEM bolts in every performance metric
Protect your investment and build with confidence using ARP 204-4207—trusted by top engine builders and racers worldwide.
