ARP Billet 4.095" Bore Tapered Piston Ring Compressor (900-0950) Engine & Components / Engine Components / Balancers Includes both Rear Main Seal

Includes both Rear Main Seal and Housing Gasket

- Buffed finish (BBF)

High Melting Point of 380°C

Replacement Square O-Rings for Extended Tip Fuel Injector Length Adapters

ARP Billet 4.095" Bore Tapered Piston Ring Compressor (900-0950) Engine & Components / Engine Components / Balancers Includes both Rear Main SealARP Billet 4. 095" Bore Tapered Piston Ring Compressor (900 0950) ARP Tapered Ring Compressors 900 0950 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