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  • View all Brands
  • Cleaning Equipment and Supplies
  • Crack Detection & Repair
  • Disassembly & Assembly
  • Cylinder Head Rebuilding
  • Block Rebuilding
  • Connecting Rod, Wrist Pin and Piston
  • Surface Milling and Grinding
  • Crankshaft Reconditioning
  • Flywheel Grinder Equipment & Supplies
  • Diamond Dresser Tips
  • Liquids and Chemicals
  • Gauges and Measuring Instruments
  • Equipment Manuals
  • Machine Repair Parts
  • Used Equipment and Tooling

    • Shop by Brand

  • BEAM
  • Neway
  • Sioux
  • Sunnen
  • Kwik Way
  • Van Norman
  • Berco
  • Storm Vulcan
  • Winona Van Norman
  • JB Manufacturing
  • View all Brands

    • Stones for IDL Valve Grinders

    We stock a variety of stones for IDL Valve Grinders suitable for grinding many different valve materials.

    • 54 Grit 8 1/4" Valve Grinder Stone

      54 Grit 8 1/4" Valve Grinder Stone

      54 Grit Stem Grinder Stone.  8 1/4" Diameter,  Flair Cup style, 1 1/4" overall thickness with 1 1/2" Hole Diameter Fits IDL / Sunnen Valve Grinders OEM Part Number:

      $60.86
      Add to Cart
    • 80 Grit 8 1/4" Valve Grinder Stone

      80 Grit 8 1/4" Valve Grinder Stone

      80 Grit General Purpose / Stellite Valve Grinder Stone.  8 1/4" Diameter,  Flair Cup style, 1 1/4" overall thickness with 1 1/2" Hole Diameter Fits IDL / Sunnen Valve Grinders OEM Part Number: 8230 White

      $77.58
      Add to Cart
    • 80 Grit 8 1/4" Valve Grinder Stone.

      80 Grit 8 1/4" Valve Grinder Stone.

      80 Grit General Purpose Valve Grinder Stone.  8 1/4" Diameter,  Flair Cup style, 1 1/4" overall thickness with 1 1/2" Hole Diameter Fits IDL / Sunnen Valve Grinders OEM Part Number: 8230 Gray

      $120.00
      Add to Cart
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