COMP Cams 0.560" OD Guide Valve Spring Seat Cutter 1.580" OD Valve Seat Steel/Carbide Universal 12200 Lightweight and low runout (under

Lightweight and low runout (under

GM A-Body 1967-72

and a hardware kit

but all of the custom a-pillars can be painted to match any vehicle interior color

COMP Cams 0.560" OD Guide Valve Spring Seat Cutter 1.580" OD Valve Seat Steel/Carbide Universal 12200 Lightweight and low runout (underMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 580" 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. 580" outer diameter while reducing the