ARP Head Stud Kit, BMW M42/M44 F91 M8 these rods are perfectly suited

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

Engine binding occurs when valves fail to properly open or close

Designed to endure the extreme temperatures produced by turbocharged engines

Made to fit BMW S63 engines without modification

ARP Head Stud Kit, BMW M42/M44 F91 M8 these rods are perfectly suitedUpgrade 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