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Piston Dome Thickness Checking Tool with Dial Indicator [0.001 in. Increments]
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PROFORMPART NUMBER: 778-66833

Piston Dome Thickness Checking Tool with Dial Indicator [0.001 in. Increments]

$8250$110.99You Save$28.49
ShippingShips on 11/17/2026
Lowest PriceLowest Price Guarantee

Piston Dome Thickness Checking Tool
  • Measures Complex Piston Dome Shapes
  • Dial Indicator Reads in 0.001 in. Increments
  • Mounting Fixture Included
  • Sold As a Set

    Before modifying piston domes or fly-cutting valve pockets, you need to know how much material is there to work with. This tool combines a mounting fixture with a dial indicator reading in 0.001 in. increments and a contact point that reaches the most complex dome shapes, making it a staple for any machine shop.

    Proform 66833 Piston Dome Thickness Checker Features:

    • Measures dome thickness before fly-cutting or modifying pistons
    • Contact point measures complex dome shapes
    • Dial indicator reads in 0.001 in. increments
    • Mounting fixture included
    • Sold as a set
      • It's never a good idea to modify piston domes or to fly-cut valve pockets without knowing how much material there is to work with. The Proform Piston Dome Thickness Checker is the right tool for the job. This simple tool includes a 0.001" dial indicator and a contact point that permits measurement of the most complex dome shapes. It is a must have, essential tool for every well-equipped machine shop.
    Part TypePiston Dome Thickness Checking Tool
    Product LineProform Piston Dome Thickness Checker
    BrandPROFORM
    Package Height4.4
    Package Width7.6
    Package Length10.9
    Weight3.37 PG
    Part CategoryAccessories
    QuantitySet of 2
    Part FitmentUniversal
    Dial Indicator Increments0.001 in
    Vendor Part Number66833
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
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