ARP Billet 78.5mm Bore Tapered Piston Ring Compressor (901-7850) G4X 5mm Intake Valve Black Nitrided

5mm Intake Valve Black Nitrided SS H22A1 H22A4

Manufacturer's Part Number: B11326L000

Fits old Stromberg needle & seat

Centre to Centre of -12ORB ports: 62mm

ARP Billet 78.5mm Bore Tapered Piston Ring Compressor (901-7850) G4X 5mm Intake Valve Black NitridedARP Billet 78. 5mm Bore Tapered Piston Ring Compressor (901 7850) ARP Tapered Ring Compressors 901 7850 ARP tapered piston ring compressors are CNC machined from 6061 T6 billet aluminum tube material and feature a true radius for each individual bore diameter. They're also relieved to accommodate wire O rings on the bottom. Type 3 anodizing is used for long life, and each bore size is prominently engraved in 3 4 in. high numbers for easy