ARP Head Studs Custom Age 625+ for 4B11 Evo X (207-4207) Parachute Black nitride valves are made

Black nitride valves are made from one piece forged stainless steel then go through a special hardening process to lessen the friction between the valve and guide

- White 4000K color provides best color recognition

FRS and BRZ models and many other applications

• Fits KCA395

ARP Head Studs Custom Age 625+ for 4B11 Evo X (207-4207) Parachute Black nitride valves are madeARP 207 4207 head studs for the 4B11 Evo X. This ARP Custom Age 625+ head stud kit includes a full replacement set of 10 studs, 10 washers and 10 nuts with assembly lube. Vehicle Fitment: Mitsubishi 4B11 2008 2015 Evolution X Includes: (10) Custom Age 625+ Studs (10) Parallel Ground Washers (10) 8740 Chrome Moly Steel 12 Point Nuts (1) Ultra Torque Fastener Assembly Lube More Info: ARP Custom Age 625+ studs are centerless ground, heat treated prior to