COMP Cams 1.810" Valve Spring Cutter 500020162 Helmet Air System Wiring Harness

Helmet Air System Wiring Harness

15 ft Long

7-1/2 x 9 in Legs

10-32 Left Hand Male Thread

this book is a must

COMP Cams 1.810" Valve Spring Cutter 500020162 Helmet Air System Wiring HarnessMost high performance engines today require the use of larger than stock diameter valve springs. This 1. 810" Spring Cup 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. 810" outer diameter while reducing the