BAR-TEK® stud bolt Kit block fits BMW S65B40 E9x M3 4.0L V8 BAR-TEK Motorsport 21bmw058 за BMW 3 Sedan/Coupe (E21) 320/6 - 122 коня

Special Stud Kit from BAR-TEK® Motorsport for the block (main bearing) for your BMW 4.0L V8 (S65) as in the E90, E92 and E93 M3.

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

• Through the most advanced manufacturing processes, our block studs achieve maximum 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 standard screws by thread cutting after curing
• Harder, more durable, more stable, and better processed than standard products
• Absolute quality product for professional use
• reusable

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