Product Description
3/8 Valve Guide Knurling Arbor
3/8" Knurling Arbor for resizing valve guides.
Knurling is a low-cost method to bring lightly worn valve guides back to original specifications. Running a knurl through the valve guide with a tap handle or low speed drill will shrink the inside diameter of the valve guide. Once this is done, a reamer can then be run through the valve guide to bring it back to the correct inside diameter. This method eliminates the need for expensive equipment to replace or line the valve guides.