ARP 2AZFE Head Stud Kit (Gen 2): Scion tC 07-10 / xB 08-15 (xB2)

Short Description ARP 2AZFE Head Stud Kit for Scion tC 07-10 & xB 08-15 203-4306. ARP Pro Series ARP2000 Head Studs for the Gen 2 Scion 2AZFE are constructed of a premium grade 8740 alloy that is rated far superior to aircraft quality. 2AZFE Gen II ARP Head Studs! Description ARP 2AZFE HEAD STUD KIT 07-10 Scion tC (2AZFE Gen 2) 08-15 Scion xB (2AZFE Gen 2) 203-4306ARP 2AZFE Gen 2 Head Stud Kit for 07-10 Scion tC & 08-15 xB w/ 2.4L 2AZFE Engine*NOTE: GEN 2 (07-15) 2AZFE HEAD STUDS ARE DIFFERENT LENGTHS FROM GEN 1 2AZFE (05-06)ARP Pro Series ARP2000 Head Studs for the Scion 2AZFE are constructed of a premium grade 8740 alloy that is rated far superior to aircraft quality. This alloy is heat-treated to 220,000 psi for complete heat penetration. Following heat-treat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. Because ARP studs are ma