COMP Cams 0.560" OD Guide Valve Spring Seat Cutter 1.580" OD Valve Seat Steel/Carbide Universal ARQTM Three 12 O-Ring Ports Top

Three 12 O-Ring Ports Top Passenger Side

Directional cooling vanes allow brakes to run much cooler than conventional rotor designs

Baer Sport Rotors boast a straightforward installation-you don't even have to bleed your brakes

Midget and Off Road drivers

Built from a mixture of heavy-duty 2 1/4-inch DOM steel and 1- by 1

COMP Cams 0.560" OD Guide Valve Spring Seat Cutter 1.580" OD Valve Seat Steel/Carbide Universal ARQTM Three 12 O-Ring Ports TopMost 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, which are available in three different sizes. This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1. 580" outer diameter while reducing the