IAG Performance ARP 1/2in Head Stud Set for Subaru EJ25 and FA20 DIT - Subaru Models (inc. 2002+ WRX/STI) clearance Includes new clamps

Includes new clamps

and to improve the cosmetics of your vehicle

Insert design -- no removal of OEM mount required

5" black polished pro-Series tips

IAG Performance ARP 1/2in Head Stud Set for Subaru EJ25 and FA20 DIT - Subaru Models (inc. 2002+ WRX/STI) clearance Includes new clampsIAG Performance ARP 1 2" Head Stud Set EJ25 and FA20 DIT 2002+ WRX STI ARP Head Studs for High Horsepower EJ25 and FA20 Applications The IAG Performance ARP 1 2" Head Stud Set provides the clamping force needed to prevent cylinder head lifting in high horsepower EJ25 and FA20 DIT applications. Manufactured by ARP from premium materials, these 1 2" studs require the engine case to be drilled, tapped, and machined to accept the larger stud diameter a