COMP Cams 1.350" Spring Seat Cutter 1030103 VanRug is stain resistant and

VanRug is stain resistant and holds up to harsh chemicals

Not methanol compatible

Boost Gauge

hi-density

and widely acclaimed by professional engine builders

COMP Cams 1.350" Spring Seat Cutter 1030103 VanRug is stain resistant andMost 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