Use the ARP 899-7500 Piston Ring Compressor (3.750" Bore) for your engine build. Each Piston Ring Compressor is constructed from a 6061-T6 billet aluminum tube material and is CNC machined for exact tolerances. ARP's Ring Compressors are made to the specific bore on your engine and are far superior to other conventional tapered devices on the market. This Piston Ring Compressor is a must-have in your shop!
ARP 899-7500 PISTON RING COMPRESSOR (3.750" BORE)