ARP Head Stud Kit - Subaru FA20 2.0L 4Cyl - 260-4301 Womens 5 -8AN Male AN with 2

-8AN Male AN with 2 Teflon Washers And Inside Flow Chamfer - Black - 8832-08-2

angled step-core design optimized for maximum flow without fully obstructing other heat exchangers

AR2-XTR4 kit features an Xtreme pressure plate for the most demanding driver

Pre-drilled holes in the panels make the installation of the Dash display simple and make sure that they are perfectly oriented in the panel opening

The issue with the most exhaust gaskets (including OEM) is that even if they're multi-layer

ARP Head Stud Kit - Subaru FA20 2.0L 4Cyl - 260-4301 Womens 5 -8AN Male AN with 2It 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 only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated far superior to aircraft quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat treated