COMP Cams 1.680" Spring Seat Cutter - Cuts Guide: .630" PD130K Bolt-in style arms accept ALL56204

Bolt-in style arms accept ALL56204 or Moog K6024 ball joints

Adapter Fitting 12AN To 1/2"NPT Aluminum 90 Degree

CNC machined from 6061 aluminum

Double Layer Nomex Knit Construction

COMP Cams 1.680" Spring Seat Cutter - Cuts Guide: .630" PD130K Bolt-in style arms accept ALL56204Most high performance engines today require the use of larger than stock diameter valve springs. This 1. 680" Spring Seat Cutter from COMP Cams 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 head spring pocket to 1. 680" outer diameter while reducing the