ARP 12pt Head Stud Kit ARP2000 BMW M3 E46 Z4 M Roadster Coupe E85 E86 3.2L S54B32 201-4303 Sagitar ARP Blower Pulley Bolt Kits

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ARP 12pt Head Stud Kit ARP2000 BMW M3 E46 Z4 M Roadster Coupe E85 E86 3.2L S54B32 201-4303 Sagitar ARP Blower Pulley Bolt KitsARP BMW E46 M3 S54 12pt head stud kit (201 4303) ARP Pro Series Cylinder Head Studs 201 4303 ARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They're heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship,