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Summit Racing SpeedCard - learn how to get 15% back up to $150

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Piston Ring Filers

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.

Top Brands

Summit...

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.

Top Brands

Summit has been in the high performance automotive business since 1968, so we understand the needs of engine builders. Our selection of ring filers includes products from trusted manufacturers like Proform, Total Seal, and Howards Cams, plus our own Summit Racing brand.

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Results 1 - 21 of 21

Summit Racing™ Pro Ring Filers SUM-970001

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970001

Summit Racing™ Pro Ring Filers SUM-970001

Piston Ring Filer, Pro Ring Filers, Blue Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each

Part Number: SUM-970001

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Summit Racing™ Electric Piston Ring Filer SUM-906797

Summit Racing™ Electric Piston Ring Filer SUM-906797

Piston Ring Filer, Electric, 12 V Battery, Rechargeable, Charger Included, 2-Grinding Wheels, 120-Grit, Kit

Part Number: SUM-906797

2.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Proform Universal Piston Ring Filers 66785

Proform Universal Piston Ring Filers 66785

Proform Universal Piston Ring Filers 66785

Piston Ring Filer, Manual, Aluminum Base, Grinding Wheel, 120-Grit, Kit

Part Number: PRO-66785

4.03 out of 5 stars ( 119 )

Estimated Ship Date: Today

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Summit Racing™ Pro Ring Filers SUM-970002

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970002

Summit Racing™ Pro Ring Filers SUM-970002

Piston Ring Filer, Pro Ring Filers, Black Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each

Part Number: SUM-970002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Total Seal Precision Power Ring Filers PRF-812 DW

Total Seal Precision Power Ring Filers PRF-812 DW

Total Seal Precision Power Ring Filers PRF-812 DW

Piston Ring Filer, Electric, 110 V, 2-Grinding Wheels, Each

Part Number: TSR-PRF-812DW

4.76 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Proform Electric Piston Ring Filers 66765

Proform Electric Piston Ring Filers 66765

Proform Electric Piston Ring Filers 66765

Piston Ring Filer, Electric, 12 V Battery, Rechargeable, Charger Included, 2-Grinding Wheels, 120-Grit, Kit

Part Number: PRO-66765

4.06 out of 5 stars ( 34 )

Estimated Ship Date: Today

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Summit Racing™ Manufacturing Piston Ring Filers SME-906000

Made in the USA

Summit Racing™ Manufacturing Piston Ring Filers SME-906000

Summit Racing™ Manufacturing Piston Ring Filers SME-906000

Piston Ring Filer, Billet Aluminum, Diamond Abrasive Wheel, Fixed Front Stop, Adjustable Locator, Kit

Part Number: SME-906000

4.34 out of 5 stars ( 35 )

Estimated Ship Date: Today

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Summit Racing™ USA-1 Ring Filers SUM-970012

Made in the USA

Summit Racing™ USA-1 Ring Filers SUM-970012

Summit Racing™ USA-1 Ring Filers SUM-970012

Piston Ring Filer, USA-1 Ring Filers, Blue Powdercoated, 0-1.000 in. Dial Indicator Range, Steel, Each

Part Number: SUM-970012

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Racing™ Universal Piston Ring Filers SUM-906795-2

Summit Racing™ Universal Piston Ring Filers SUM-906795-2

Summit Racing™ Universal Piston Ring Filers SUM-906795-2

Piston Ring Filer, Steel, Grinding Stone, Workbench Mounting Bracket, Universal, Kit

Part Number: SUM-906795-2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Summit Racing™ Pro Ring Filers SUM-970010

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970010

Summit Racing™ Pro Ring Filers SUM-970010

Piston Ring Filer, Pro Ring Filers, Red Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 220V, Each

Part Number: SUM-970010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ Pro Ring Filers SUM-970000

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970000

Summit Racing™ Pro Ring Filers SUM-970000

Piston Ring Filer, Pro Ring Filers, Red Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each

Part Number: SUM-970000

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Summit Racing™ USA-1 Ring Filers SUM-970011

Made in the USA

Summit Racing™ USA-1 Ring Filers SUM-970011

Summit Racing™ USA-1 Ring Filers SUM-970011

Piston Ring Filer, USA-1 Ring Filers, Red Powdercoated, 0-1.000 in. Dial Indicator Range, Steel, Each

Part Number: SUM-970011

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Summit Racing™ Pro Ring Filers SUM-970004

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970004

Summit Racing™ Pro Ring Filers SUM-970004

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Summit Racing™ Pro Ring Filers SUM-970003

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970003

Summit Racing™ Pro Ring Filers SUM-970003

Piston Ring Filer, Pro Ring Filers, White Powdercoated, 120 Grit. 0-1.000 in. Dial Indicator Range, Steel, 120V, Each

Part Number: SUM-970003

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Total Seal Precision Power Ring Filers PRF-822 DW

Total Seal Precision Power Ring Filers PRF-822 DW

Total Seal Precision Power Ring Filers PRF-822 DW

Piston Ring Filer, Electric, 220 V, 2-Grinding Wheels, Each

Part Number: TSR-PRF-822DW

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Summit Racing™ Pro Ring Filers SUM-970007

Made in the USA

Summit Racing™ Pro Ring Filers SUM-970007

Summit Racing™ Pro Ring Filers SUM-970007

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

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Summit Racing™ USA-1 Ring Filers SUM-970013

Made in the USA

Summit Racing™ USA-1 Ring Filers SUM-970013

Summit Racing™ USA-1 Ring Filers SUM-970013

Piston Ring Filer, USA-1 Ring Filers, Black Powdercoated, 0-1.000 in. Dial Indicator Range, Steel, Each

Part Number: SUM-970013

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Proform Electric Piston Ring Filers 66758

Proform Electric Piston Ring Filers 66758

Proform Electric Piston Ring Filers 66758

Piston Ring Filer, Electric, 120 V, Aluminum, Natural, Each

Part Number: PRO-66758

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Proform Electric Piston Ring Filers 66759

Proform Electric Piston Ring Filers 66759

Proform Electric Piston Ring Filers 66759

Piston Ring Filer, Electric, 240 V, Aluminum, Natural, Each

Part Number: PRO-66759

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

COMP Cams Electric Powered Ring Filers POW105045

COMP Cams Electric Powered Ring Filers POW105045

COMP Cams Electric Powered Ring Filers POW105045

Piston Ring Filer, Electric, 110 V, 3 in. Grinding Wheel, De-Burring Wheel, Each

Part Number: CCA-POW105045

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

COMP Cams Piston Ring Filers POW105050

COMP Cams Piston Ring Filers POW105050

COMP Cams Piston Ring Filers POW105050

Piston Ring Filer, 150 Grit, Aluminum, Natural, Each

Part Number: CCA-POW105050

Not Yet Reviewed

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

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