ARP 426 Hemi 1/2" head stud kit (145-4002) porsche-boxster-3rd-gen 5 in (165 mm) H

5 in (165 mm) H x 6

Part Number: AF66-2043-40

Tuff Stuff water pumps are hand made from premium quality new components - not remanufactured and are quality built in the USA

60 PSI gauge with Hoonigan stamp signature dial design

ARP 426 Hemi 1/2" head stud kit (145-4002) porsche-boxster-3rd-gen 5 in (165 mm) HARP 426 Hemi 1 2" head stud kit (145 4002) ARP Pro Series Cylinder Head Studs 145 4002 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, these