Piston Rings

Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-30

4.64 out of 5 stars ( 22 )

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

Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP030

5.0 out of 5 stars ( 4 )

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

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: DMS-RSMR100-4030

5.0 out of 5 stars ( 1 )

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

Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X30

5.0 out of 5 stars ( 6 )

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

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-M139-30

4.63 out of 5 stars ( 19 )

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

Piston Rings, Plasma-Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-134-CM553130

5.0 out of 5 stars ( 3 )

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

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.030 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, V8, Set

Part Number: MAH-41616CP030

Not Yet Reviewed

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

Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CL909030

Not Yet Reviewed

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

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Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Shallow Oil Ring Groove, V8, Set

Part Number: MAH-51476CP030

Not Yet Reviewed

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

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L4, Set

Part Number: MAH-41240CP030

Not Yet Reviewed

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

Piston Rings, Standard Piston Ring Sets, Cast Iron, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V6, Set

Part Number: MAH-51240CP030

Not Yet Reviewed

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

Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: MAH-40664CP030

Not Yet Reviewed

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

Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40139030

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Piston Ring, Universal, V8, 4.03 in., Set

Part Number: CLE-40564CP030

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Plasma-Moly, 4.030 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: CLE-41616CP030

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Special Order