ARP 900-0950 PISTON RING COMPRESSOR (4.095" BORE)

Assemble the bottom end in your engine with the ARP 900-0950 Piston Ring Compressor (4.095" Bore). The Ring Compressor is CNC machined from 6061-T6 billet aluminum tube material for a sturdy construction that will not warp or wear over time. ARP has specially designed this Compressor to fit the specific bore size of your engine. This is a must-have in the toolbox for anyone that builds engines.