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Proform Parts

Proform Piston Ring Compressors

4.44 out of 5 stars 94 Customer Reviews

These Proform tapered ring compressors are an affordable and easy way to install your pistons! By creating a slight squeeze on the piston ring, the compressors ease the piston into the cylinder bore. They are manufactured for engine blocks with studs.

Showing In Stock Items. Show All 9 Items.

Results 1 - 8 of 8

Proform Piston Ring Compressors 67449

Proform Piston Ring Compressors 67449

Proform Piston Ring Compressors 67449

Ring Compressor, Aluminum, Red Anodized, 4.040 in. Bore, Each

Part Number: PRO-67449

4.81 out of 5 stars ( 36 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67574

Proform Piston Ring Compressors 67574

Proform Piston Ring Compressors 67574

Ring Compressor, Aluminum, Red Anodized, 4.310 in. Bore, Each

Part Number: PRO-67574

4.31 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67451

Proform Piston Ring Compressors 67451

Proform Piston Ring Compressors 67451

Ring Compressor, Aluminum, Red Anodized, 4.125 in. Bore, Each

Part Number: PRO-67451

4.08 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67572

Proform Piston Ring Compressors 67572

Proform Piston Ring Compressors 67572

Ring Compressor, Aluminum, Red Anodized, 4.250 in. Bore, Each

Part Number: PRO-67572

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67448

Proform Piston Ring Compressors 67448

Proform Piston Ring Compressors 67448

Ring Compressor, Aluminum, Red Anodized, 4.00 in. Bore, Each

Part Number: PRO-67448

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67452

Proform Piston Ring Compressors 67452

Proform Piston Ring Compressors 67452

Ring Compressor, Aluminum, Red Anodized, 4.155 in. Bore, Each

Part Number: PRO-67452

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67445

Proform Piston Ring Compressors 67445

Proform Piston Ring Compressors 67445

Ring Compressor, Aluminum, Red Anodized, 4.030 in. Bore, Each

Part Number: PRO-67445

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Proform Piston Ring Compressors 67573

Proform Piston Ring Compressors 67573

Proform Piston Ring Compressors 67573

Ring Compressor, Aluminum, Red Anodized, 4.280 in. Bore, Each

Part Number: PRO-67573

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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