COMP Cams Seat Cutter For GM Vortec Hea - ( COMP Cams 4721CPG )

Most high performance engines today require the use of larger-than-stock diameter valve springs. This 1.350" Spring Seat Cutter for installing single springs on GM Vortec Heads without hardened spring seats 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.

Cuts spring seat to 1.350" O.D.; Cuts guide to .775"; Cuts seat to install larger springs and hardened spring seats on GM Vortec heads without hardened spring seats; Other seat cutters available in many sizes from 1.350" to 1.810" O.D.;

This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1.350" outer diameter while reducing the outer diameter of the valve guide to .775". Ideal for installing single springs on GM Vortec head.

Spring Seat Cutter for GM Vortec - 1.350" Spring Seat O.D., .775" Guide O.D.

COMP Cams 1.350" Spring Seat Cutter for Vortec Heads, .775" Guide

Seat Cutter Vortec 1.35" Seat .775 Guide

COMP Cams Seat Cutter For Gm Vortec Hea

Seat Cutter, for GM Vortec Head

Engine Valve Seat Cutter

Valve Seat Cutter

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