4AN Inlet and Outlet. Australian Designed & Manufactured.
Turbosmart OPR V2 Turbo Oil Pressure Regulator with Billet Mounting Bracket
Turbosmart OPR V2 Oil Pressure Regulator - Black - TS-0811-0012
Turbosmart Billet Mounting Bracket for Oil Pressure Regulator OPR V2 Black
TURBOSMART USA OPR V2 Billet Bracket - TS-0801-3002
Turbosmart FPR OPR Mounting Bracket Clip Replacement TS-0401-3006
BTR 32430090 V2 Stage 4 Truck Camshaft, Gen 3/4 LS, 3-Bolt