Neway CU 201 Valve Seat Cutter 1-3/8 – 31° x 46°. Valve Seat Cutting with Neway Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. Neway’s user-friendly valve seat cutters allow you to precisely machine a multi-angle valve seat in a matter of minutes. Tungsten carbide leaves a perfectly flat, machined surface, ideal for optimal sealing efficiency and heat transfer. Valve Seat Cutting with Neway. Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. Standard Series Neway Cutter Bodies are designed to work with Neway. 375 Top Size Valve Guide Pilots. Neway CU 201 Valve Seat Cutter 1-3/8 – 31° x 46° Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. 375 Top Size Va.