Piston Ring Squaring Tool 94-100mm / 3.700-3.937" Bore

ARP's Performance R&D Division has just released sixnew dual size Ring Squaring tools designed to make fittingpiston rings as accurate as possible. These tools are CNC machined from 6061-T6 billet aluminium tube material and Black Anodized for a brilliantfinish. The bore sizes are prominently engraved for easy identification and range in size from 3.150" to 4.800" SAE and 80mm to 122mm Metric.