COMP Cams 1.320" Spring Seat Cutter H762003XXL 0-4v Data Output Feed For

0-4v Data Output Feed For ECU

5 Shift Point

based out of Ramsey

645" inside diameter are used to equalize the installed height of valve springs

COMP Cams 1.320" Spring Seat Cutter H762003XXL 0-4v Data Output Feed ForMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 320" Spring Seat Cutter for installing larger springs and hardened spring seats on GM Vortec Heads 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