Use the ARP 900-2325 Piston Ring Compressor (4.2325" Bore) for your engine build. This tool is a must have for anyone that is building engines. Each Piston Ring Compressor is made to your specific bore size. Each Piston Ring Compressor is constructed from a 6061-T6 billet aluminum tube material and is CNC machined for exact tolerances.
ARP 900-2325 PISTON RING COMPRESSOR (4.2325" BORE)