ARP stud bolt Kit cylinder head suitable forBMW B58B30 x40i

Special stud bolt kit from ARP for the cylinder head in your BMW 3.0L 24V (B58) such as 240i, 440i and many more.

High-performance bolts are made of high-strength and heat-treated 8740 chrome-molybdenum forged steel and are therefore optimally suited for use in racing engines.

• Due to the most advanced manufacturing processes our block studs achieve highest strength
• Tensile strength of 200,000 psi (13.8t/cm²)
• Absolutely perfectly rounded and straight bolts for a first-class installation
• Ten times more stable J-thread than series screws due to thread cut after hardening
• Harder, more durable, more stable and better processed than series products
• Absolute quality product for professional use
• Reusable

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