COMP Cams 1.350" Spring Seat Cutter 91609159 It doesn't deflect

It doesn't deflect

2-Bolt Mains

M6 Anchors

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

COMP Cams 1.350" Spring Seat Cutter 91609159 It doesn't deflectMost 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