COMP Cams 1.350" Spring Seat Cutter 1030103 Longer spring for wider range

Longer spring for wider range of adjustment (40 - 130 PSI)

8 mm Pitch

Washers Included

Constructed of 20 Gauge Steel - Powder Coated Red (Auminum Optional)

hi-density

COMP Cams 1.350" Spring Seat Cutter 1030103 Longer spring for wider rangeMost 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. This valve seat cutter allows you to enlarge the cylinder