providing high-speed reliability for performance tuning

All ARP bolts

In collaboration with ARP

CAT Cams offers high-performance camshaft kits designed to maximize your M42 engine’s capabilities—whether you're building a street car

providing consistent power and enhanced reliability

5150 AutoSport High Performance Rod Bearing Set, BMW M54 R33 providing high-speed reliability for performanceThe 5150 High Performance Coated Rod Bearing Sets are engineered to meet the rigorous demands of high performance engine builds, specifically designed for BMW M54 engines. Manufactured with precision and expertise, these rod bearings are treated and coated by Calico to significantly reduce friction, enhancing engine efficiency and power output. What sets these bearings apart from OEM options is their advanced thermal resistant properties, which ensure