Mitsubishi Evolution 4G63 Head Stud Kit 12 Point Nuts, 8740 Grade Material, 1994 Models and up 880 Series ELITE Cutter Inner & outer bearings

Inner & outer bearings

8" Dual Diaphragm Booster

In and Out ports are 1/8" NPT

Bleeding Kit

Black finish

Mitsubishi Evolution 4G63 Head Stud Kit 12 Point Nuts, 8740 Grade Material, 1994 Models and up 880 Series ELITE Cutter Inner & outer bearingsAeroflow Performance head studs greatly improve your cylinder head to block sealingcompatibilities. This is important in engines with highpower adders such as turbochargers, superchargers or nitrous. They can even be agreat addition to a mildly modified build as insurance against failure. All head studs provide a more accurate and consistent torque loading over traditional head bolts. These head studs are manufactured from aircraftquality 8740 high