Cylinder Head Pin Kit 11mm for Audi 1.8 20V Brand: Audi Motor: 1.8 20V Other: Only for 5-valves Thread: 11mm The RACEWARE cylinder head bolts are the perfect replacement parts for high-performance engines. These products are able to prevent cylinder head leaks and thus ensure optimum tightness of the engine elements. Raceware is the only company that accredits all screws and bolts to A2LA and checks a guaranteed minimum breaking load. All fasteners and engine mounts are specified and certified to aviation standards. That/s why Raceware products are the essential performance advantage that everyone should afford. For more than 40 years Raceware has specialised in the production of stud bolts and accessories for the German car market. The company is a world record holder and develops all products according to aviation standards to further increase performance and reliability. That/s why Raceware was selected as OEM supplier for cylinder head bolt supplier for PORSCHE. Production is not only designed for maximum performance. Design, calculation and manufacturing are followed by extensive testing to ensure that the fatigue strength of standard bolts is maintained. This makes it possible to make the screw connections much more resilient. The items are easy to install and a direct replacement for original parts.