COMP Cams 1.580" Spring Seat Cutter - Cuts Guide: .630" HHRM1375S-1015 1984-1996 GMC K2500 Suburban

1984-1996 GMC K2500 Suburban

1988-1991 Chevrolet C3500

Positive Ratchet Action Shifter

With a deep 7-1/2" full length sump it holds 8 quarts of oil for greater oil capacity

2003-2008 Dodge Ram 3500

COMP Cams 1.580" Spring Seat Cutter - Cuts Guide: .630" HHRM1375S-1015 1984-1996 GMC K2500 SuburbanMost 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