Tested for reliability in racing and street environments

ARP Main Studs offer several benefits

The ARP 201-4303 head stud kit is custom-designed for the BMW S54 inline 6-cylinder engine and serves as a replacement for the BMW head bolts 11127831862 commonly found in E46 M3 and E36/7 Z3 M Roadster

enhanced durability

and robust performance to help unleash the full potential of your B48-powered vehicle

CP Forged Piston Set, BMW M30 B34 Bore Size:90 mm Tested for reliability in racingCP Carrillo represents the highest quality pistons on the market, engineered for maximum power and durability. Utilizing high strength, lightweight materials and advanced engineering, this BMW M30B34 piston set features: Lightweight Design: CP Carrillo pistons are made from high strength, lightweight materials, such as forged aluminum alloy. Reduced piston weight contributes to improved engine responsiveness and acceleration. Advanced Engineering: CP