ARP Billet 4.155" Bore Tapered Piston Ring Compressor (900-1550) subaru-legacy-3rd-gen-be-bh * Laser-engraved 360 degree timing

* Laser-engraved 360 degree timing marks

UPC: 793348094402

Part numbers and length are laser etched on each pushrod for quick

Part Number: HO122-106

ARP Billet 4.155" Bore Tapered Piston Ring Compressor (900-1550) subaru-legacy-3rd-gen-be-bh * Laser-engraved 360 degree timingARP Billet 4. 155" Bore Tapered Piston Ring Compressor (900 1550) ARP Tapered Ring Compressors 900 1550 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