ARP stud bolt cylinder head suitable for BMW 2.5L M50, 2.8L M52, 3.0L S50US, 3.2L S52US

BMW 2.5L (M50), 2.8L (M52), 3.0L(M54 and S50 US), 3.2L(S52 US) ARP2000, 12pt stud bolt Kit cylinder head ARP High-performance studs are made from high-strength and heat-treated 8740 chrome-molybdenum forged steel and are therefore ideal for use in racing engines. Thanks to the most advanced manufacturing processes, ARP stud bolt achieve maximum strength. Tensile strength of more than 1400 N/mm². Perfectly rounded and straight bolts for first-class installation. Ten times stronger threads than standard bolts due to thread cutting after hardening. Absolute ARP quality product for professional use. Reusable. We recommend that all ARP KOPF- stud bolt are either glued into the block with blue Loctite (243) or retightened to the prescribed torque after approx. 1000 kilometres.