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Supertech 37mm +1mm Backcut Short SS Intake Valves For WRX EJ205 EJ255 STi EJ257 * Set of 8 *
Stealth Ride Part Number: ATI-916560-G
Stealth Ride Part Number: DIA 83062-4-H
866" / 22mm Included Ring Set 9513405 Included Pin Locks 015113-12 Included Pin G8662250180C Head cc 34 cc Dome cc -18
ARP SB Ford 1/2" 12pt head stud kit (154-4203) Velite 5 Supertech 37mm +1mm Backcut ShortARP SB Ford 1 2" 12pt head stud kit (154 4203) ARP Pro Series Cylinder Head Studs 154 4203 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
