1/2 Inch Head Stud Kit to suit Mitsubishi EVO 4G63 Head (ARP 207-4312F) Custom Age 625 0404-1043 00mm Valve Lift - 280°

00mm Valve Lift - 280° racing cams to suit engines with 64mm-72mm turbo

-12 ORB Oil filler threads which are usually not threaded in OEM applications ie

Lancia Delta Integrale 2

Mounting Bracket for 'Boost Tee' and 'In Cabin' Manual Boost Controllers

Optional AN6 Alloy EFI Barbs and Anti Vibration Stainless mounting bracket

1/2 Inch Head Stud Kit to suit Mitsubishi EVO 4G63 Head (ARP 207-4312F) Custom Age 625 0404-1043 00mm Valve Lift - 280°Part number: 207 4312F ARP Custom age 625+ Head studs WHAT IS CUSTOM AGE 625+? You may have heard of the popular L19 upgrade for Head studs, Main Studs, Rod Bolts, etc. The L19 material is stronger than the ARP 8740 or even ARP 2000 materials, however L19 is difficult to work with. You cannot touch L19 with your bare hands or the oils from your fingers will corrode the studs. CA625+ material is just as strong, offering an increase in clamping force,