COMP Cams 1.350" Spring Seat Cutter 91609159 2-Bolt Mains

2-Bolt Mains

Honeycomb pattern allows pad to remain firm enough to maintain car-feel but enough give for comfort

It doesn't deflect

Reverse Exit Cable Design

COMP Cams 1.350" Spring Seat Cutter 91609159 2-Bolt MainsMost 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