Piston Rings

Piston Rings, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-40

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: DMS-RSMR100-4040

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Plasma-Moly, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553240

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Plasma-Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553140

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Original Standard Piston Ring Sets, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP040

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L4, Set

Part Number: MAH-41240CP040

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Piston Rings, Moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40451040

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Ring Set, Plain - Ford 240 Eng. (65-72), Ford Ind., Ford Trk. 240,300 Engs. (65-94),

Part Number: MAH-50664CP040

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

RINGS

Part Number: CLE-50564CP040

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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