COMP Cams Spring Seat Cutter For Gm Vor 4716 Turbo Install and a true performance-driven feel

and a true performance-driven feel every time they hit the road

The lenses are clear—do I need to paint them

Will this bolt directly to my stock manifold flange

others source them separately

COMP Cams Spring Seat Cutter For Gm Vor 4716 Turbo Install and a true performance-driven feelCOMP Cams Tools 4716 Most high performance engines today require the use of larger than stock diameter valve springs. This 1. 320" Spring Seat Cutter for installing larger springs and hardened spring seats on GM Vortec Heads 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. Spring Seat Cutter for GM Vortec 1. 320"