ARP stud bolt Kit cylinder head suitable forBMW B58B30 x40i ARP 21bmw070 за BMW X3 (G01) sDrive 18 d Mild-Hybrid - 136 коня

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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