ARP 900-0550 PISTON RING COMPRESSOR (4.055" BORE)
Purchase the ARP 900-0550 Piston Ring Compressor (4.055" 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. The Piston Ring Compressor gets the job done quick and easy. ARP has specially designed this Compressor to fit the specific bore size of your engine.