COMP Cams 1.580 Spring Seat Cutter 4720CPG Archive Garage RPM Range:2500 to 6400

RPM Range:2500 to 6400

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COMP Cams 1.580 Spring Seat Cutter 4720CPG Archive Garage RPM Range:2500 to 6400CCA Tools Engine Valve Seat Cutter Cuts spring seat to 1. 580" O. D.; Cuts guide to . 630"; Other seat cutters available in many sizes from 1. 350" to 1. 810" O. D. Most high performance engines today require the use of larger than stock diameter valve springs. This 1. 580" Spring Seat Cutter from COMP Cams will allow the engine builder to machine the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor pilot,