Piston Rings

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

Part Number: SLP-E-251K30

4.4 out of 5 stars ( 47 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4032GFX

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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: Today

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

Part Number: SLP-E-229K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Piston, Set

Part Number: WIS-4030H

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Performance, Plasma-moly, 4.030 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, Single Piston Ring Set, V8, Set

Part Number: MLE-4035MS-112-1

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston Set

Part Number: WIS-4035HF

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Cylinder, Set

Part Number: TSR-CR3690-30-1

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, Single Cylinder, Set

Part Number: TSR-CR3690-35-1

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, Single Piston, Set

Part Number: JEP-J100F1-40305

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Plasma-moly, 4.030 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, Single Piston, Set

Part Number: JEP-J10001-40305

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

• Drop Ship
• Special Order

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: Today

4.025"+0.005 1.0, 1.0, 2.0mm File Fit Rings

Part Number: MLE-4030MS-112-1

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Steel, Chromium Nitride, 4.030 in. Bore, 0.059 in. Thickness, Top Ring, Each

Part Number: TSR-101038

Not Yet Reviewed

Estimated Ship Date: Today