ARP 234-4317 Head Stud Kit for Gen III/IV LS Series small block (2004 & later) w/ all same length studs. 8740. 12pt ymm_31 The Akrapovic Evolution Line (Titanium)

The Akrapovic Evolution Line (Titanium) exhaust system for the Porsche 911 Turbo (992) incorporates extensive engineering knowledge gained from working with high-performance engines from the Stuttgart manufacturer

This boost control solenoid kit features four ports for enhanced boost regulation in turbocharged engines

4mm Allen Material: ARP2000

Specifications Socket Size(s) 1/2 hex Fastener Style: Bolt

one more than the stock configuration

ARP 234-4317 Head Stud Kit for Gen III/IV LS Series small block (2004 & later) w/ all same length studs. 8740. 12pt ymm_31 The Akrapovic Evolution Line (Titanium)It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat