ARP 201-4701 ARP2000 12-Point Head Stud Kit, BMW 3.0L B58

Description

The ARP 201-4701 head stud kit is made for BMW 3.0L B58 engines.

Head studs clamp the cylinder head more evenly and more accurately than head bolts. A stud is threaded into the block once and stays put, so torque applied to the nut goes into stretching the stud and not into twisting it. That gives a more consistent clamp load across the head gasket, which matters most on boosted, high-compression, and race engines.

This kit uses ARP2000, an alloy rated at 220,000 psi tensile strength that delivers a higher clamp load than standard 8740 chrome moly studs.

ARP Head Stud Kit Features

• ARP2000 material
• 12-Point nuts
• Threads rolled after heat treatment for fatigue strength
• Centerless ground for concentricity
• Reusable, unlike torque-to-yield factory head bolts
• Sold as a kit