ARP 900-1100 PISTON RING COMPRESSOR (4.110" BORE)
Assemble the bottom end in your engine with the ARP 900-1100 Piston Ring Compressor (4.110" Bore). Each ARP Piston Ring Compressor is specially made to your specific bore size. This is a must-have in the toolbox for anyone that builds engines. Built tough, this Piston Ring Compressor is CNC machined from 6061-T6 billet aluminum tube material.