ARP Billet 4.100" Bore Tapered Piston Ring Compressor (900-1000) Legacy 1st Gen AWD Manufacturer's Part Number: 20203070

Manufacturer's Part Number: 20203070

15mm Shank Length

1997 BMW Z3 1

2015 Subaru XV Crosstrek 2

ARP Billet 4.100" Bore Tapered Piston Ring Compressor (900-1000) Legacy 1st Gen AWD Manufacturer's Part Number: 20203070ARP Billet 4. 100" Bore Tapered Piston Ring Compressor (900 1000) ARP Tapered Ring Compressors 900 1000 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