ARP Pro Series Head Studs Kit 12pt For 01–06 BMW M3 E46/01-08 Z3/Z4 3.2L S54

Upgrade your BMW S54 engine with the ARP Pro Series 12-Point Head Stud Kit, engineered for superior performance under extreme pressure. Designed specifically for high-performance applications like turbocharging and supercharging, these studs provide unmatched clamping force between the cylinder head and engine block. Manufactured from ARP2000 alloy and heat-treated to 200,000 psi, this kit is a trusted solution among top-tier engine builders for the BMW E46 M3 and related S54-powered vehicles.

Each stud in this kit is precisely machined and thread-rolled after heat treatment to drastically improve fatigue resistance. Converting from factory bolts to studs ensures proper head gasket alignment, more accurate torque readings, and quicker service for racing engines. The kit includes 12-point nuts, parallel-ground washers, and ARP assembly lubricant for optimal installation. Whether you're hitting the track or building a bulletproof street setup, ARP delivers uncompromised durability and strength.