Valve Spring Seat Cutter, 1.445 in OD / 0.570 in ID, 11/32 in Pilot, Steel / Carbide, Each. Manley specializes in engine performance for everything from street to track to drag strip. Their product line-up includes valve train components, pistons, rings, connecting rods, and crank shafts for everything from late model V8? S to sport compacts. 1.46IN SPRNG SEAT CUTTER. 0.40 lbs 0.18 kg. 3.15 in 8.00 cm. 2.75 in 6.99 cm. 1.75 in 4.45 cm.