ARP 900-0750 PISTON RING COMPRESSOR (4.075" BORE)
Purchase the ARP 900-0750 Piston Ring Compressor (4.075" Bore) to save time and hassle on your engine build. Built tough, this Piston Ring Compressor is CNC machined from 6061-T6 billet aluminum tube material. This tool is a must have for anyone that is building engines. ARP has specially designed this Compressor to fit the specific bore size of your engine.