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Get perfect ring gaps with a piston ring filer!
If the gaps in your piston rings are too big, you can lose compression (and therefore power), but if they’re too...
Get perfect ring gaps with a piston ring filer!
If the gaps in your piston rings are too big, you can lose compression (and therefore power), but if they’re too small, the ends will butt together as the rings expand to operating temperature, which can be disastrous. The right gap size can vary by ring material, bore size, piston material, and application, but the right tool for grinding rings down to the proper size is a piston ring filer. Weekend mechanics can usually get by with a manual crank filer, but professional engine builders may need the speed and repeatable accuracy of an electric filer.
Get perfect ring gaps with a piston ring filer!
If the gaps in your piston rings are too big, you can lose compression (and therefore power), but if they’re too small, the ends will butt together as the rings expand to operating temperature, which can be disastrous. The right gap size can vary by ring material, bore size, piston material, and application, but the right tool for grinding rings down to the proper size is a piston ring filer. Weekend mechanics can usually get by with a manual crank filer, but professional engine builders may need the speed and repeatable accuracy of an electric filer.
Showing In Stock Items. Show All 23 Items.
Piston Ring Filer, Electric, 12 V Battery, Rechargeable, Charger Included, 2-Grinding Wheels, 120-Grit, Kit
Part Number: SUM-906797
Estimated Ship Date: Today
Estimated Ship Date: Today
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Piston Ring Filer, Pro Ring Filers, Black Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each
Part Number: SUM-970002
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Manual, Aluminum Base, Grinding Wheel, 120-Grit, Kit
Part Number: PRO-66785
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Pro Ring Filers, Blue Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each
Part Number: SUM-970001
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Billet Aluminum, Diamond Abrasive Wheel, Fixed Front Stop, Adjustable Locator, Kit
Part Number: SME-906000
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Electric, 110 V, 2-Grinding Wheels, Each
Part Number: TSR-PRF-812DW
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Steel, Grinding Stone, Workbench Mounting Bracket, Universal, Kit
Part Number: SUM-906795-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, USA-1 Ring Filers, Blue Powdercoated, 0-1.000 in. Dial Indicator Range, Steel, Each
Part Number: SUM-970012
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Pro Ring Filers, Red Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each
Part Number: SUM-970000
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Electric, 12 V Battery, Rechargeable, Charger Included, 2-Grinding Wheels, 120-Grit, Kit
Part Number: PRO-66765
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Pro Ring Filers, White Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each
Part Number: SUM-970003
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, USA-1 Ring Filers, Black Powdercoated, 0-1.000 in. Dial Indicator Range, Steel, Each
Part Number: SUM-970013
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, USA-1 Ring Filers, Red Powdercoated, 0-1.000 in. Dial Indicator Range, Steel, Each
Part Number: SUM-970011
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Pro Ring Filers, Silver Metallic Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each
Part Number: SUM-970004
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Electric, 120 V, Aluminum, Natural, Each
Part Number: PRO-66758
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Steel, Grinding Stone, Mounting Bracket, Universal, Kit
Part Number: TSR-RF001
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Pro Ring Filers, Red Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 220V, Each
Part Number: SUM-970010
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Electric, 220 V, 2-Grinding Wheels, Each
Part Number: TSR-PRF-822DW
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Electric, 120 Grit, Aluminum, Black Anodized, 0-1.00 in. Dial Indicator Range, 12 V Rechargeable Battery and Charger, Each
Part Number: GRN-540100
Not Yet Reviewed
Estimated Ship Date: Feb 4, 2026 if ordered today
Estimated Ship Date: Feb 4, 2026 if ordered today
Piston Ring Filer, Pro Ring Filers, Orange Candy Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each
Part Number: SUM-970007
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston Ring Filer, Electric, 240 V, Aluminum, Natural, Each
Part Number: PRO-66759
Estimated Ship Date: Jan 28, 2026 if ordered today
Estimated Ship Date: Jan 28, 2026 if ordered today
Piston Ring Filer, Electric, 110 V, 3 in. Grinding Wheel, De-Burring Wheel, Each
Part Number: CCA-POW105045
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 2026 if ordered today
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Summit Racing™ Pro Ring Filers SUM-970002
