Neway Valve Seat Cutter 1-1/8 – 30° x 45° CU274. 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. 375 Top Size – 140, 150 or 200 Series Pilots. Side A Angle 30° Blade Count 3 Blade Type TC250 Operating Range Minimum 29mm / 1.14″ Operating Range Maximum 33.5mm / 1.31″ Side B Angle 45° Blade Count 3 Blade Type TC250 Operating Range Minimum 28.5mm / 1.12″ Operating Range Maximum 35mm / 1.38″. Untitled Document Neway Valve Seat Cutter 1-1/8 – 30° x 45° CU274 Item# CU274 Valve Seat Cutting with Neway Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. 375″ Top Size – 140, 150 or 200 Series Pilots Angle 30° Blade Count 3 Blade Type TC250 Operating Range Minimum 29mm / 1.14″ Operating Range Maximum 33.5mm / 1.31″ Angle 45° Blade Count 3 Blade Type TC250 Operating Range Minimum 28.5mm / 1.12″ Operating Range Maximum 35mm / 1.38.