ARP Billet 4.290" Bore Tapered Piston Ring Compressor (900-2900) Outback 4th Gen reliable and affordable

reliable and affordable

Manufacturer's Part Number: ATI915200

Manufacturer's Part Number: HEVN-1021F-01

New allow steel pump drive tube

ARP Billet 4.290" Bore Tapered Piston Ring Compressor (900-2900) Outback 4th Gen reliable and affordableARP Billet 4. 290" Bore Tapered Piston Ring Compressor (900 2900) ARP Tapered Ring Compressors 900 2900 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