Kelford S58 Valve Spring Kit | 110lb Racing Spring Kit

E46 Non-M Fuel Pump Kit

high-RPM applications while minimizing load loss

Driveshaft is made from 2

BMW N55 Pro-Xtreme Forged Piston Set Wrist Pin:Heavy Duty Kelford S58 Valve Spring Kit5150 AutoSport Pro Xtreme Forged Pistons for BMW N55 Engines Built for Extreme Power and Precision The 5150 AutoSport Pro Xtreme Forged Pistons, manufactured by CP Carrillo, are designed to meet the extreme demands of high performance BMW N55 engines. Made from high strength, aircraft grade aluminum, these pistons deliver the durability required for turbocharged, supercharged, and naturally aspirated applications. Engineered for 2000 horsepower builds