COMP Cams 1.440 Spring Seat Cutter - 4733CPG

Spring Seat Cutter - 1.440" Spring Seat O.D. .560" Guide O.D.

This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1.440" outer diameter while reducing the outer diameter of the valve guide to .560".

Cuts cylinder head spring seats to 1.440" outer diameter / .560" inner diameter</li><li>Requires the use of an arbor/pilot, which are available for <a href="https://www.raptorracing.ca/catalogsearch/result/?q=4730&Category_Code=">5/16"</a>, <a href="https://www.raptorracing.ca/catalogsearch/result/?q=4732&Category_Code=">11/32"</a> and <a href="https://www.raptorracing.ca/catalogsearch/result/?q=4734&Category_Code=">3/8"</a> valve stem sizes.

These tools from COMP Cams will allow machining of the cylinder head to the proper size for your spring. Each cutter requires the use of an arbor/pilot, which is available in three different sizes. These arbors/pilots will

• Valve guide cutters available to cut guide to .446", .494", .500", .530" or .625"
• Seat cutters available in many sizes from 1.320"-1.810" O.D.
• Arbors/pilots available for 5/16", 11/32" and 3/8" diameters