ARP Head Stud Kit, BMW M42/M44 F91 M8 Featuring an exclusive 58mm inducer

Featuring an exclusive 58mm inducer GEN2 CEA® (Competition Engineered Aerodynamics) compressor wheel machined from a 2618-aluminum forging and a 62mm CEA® turbine wheel

Carrillo connecting rods are a top choice for racers who demand the best performance and reliability from their engines

Engine binding occurs when valves fail to properly open or close

these rods are perfectly suited for BMW N55B30 and S55B30 engines with a rod length of 144

Designed to endure the extreme temperatures produced by turbocharged engines

ARP Head Stud Kit, BMW M42/M44 F91 M8 Featuring an exclusive 58mm inducerUpgrade your BMW M40 M42 engine with the ARP Head Stud Kit, designed specifically for E36 and Z chassis. ARP hardware provides increased clamping force, improved head gasket sealing, and enhanced overall engine strength thanks to their use of advanced materials and manufacturing techniques. ARP2000 is a high strength alloy steel material engineered to endure extreme loads and stresses of high performance engines, offering a tensile strength of 190