Piston Rings

Piston Rings, Gas Nitrided Steel Top, Martensitic Ductile Napier Second, Std. Tension Oil, File Fit for 4.030 in. Bore, 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9045035

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

• Free Shipping

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

Part Number: HSN-2M139030

4.64 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

Piston Rings, 4.030 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4035MS-112

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP403016

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP403012

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP403010

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Chevy, GMC, Pontiac, V8, Set of 8

Part Number: HSN-2M5615030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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: Tomorrow

Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG31F840302

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, Includes Ring Set for One Piston, Each

Part Number: HSN-2M4860S030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP403043

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M592030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4726030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 4.0mm Ring Thickness, L8, V8, Set of 8

Part Number: HSN-2M4346030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston Rings, Pro GPX Gas Ported, 4.030 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP403013

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm Ring Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M4862030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 26, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, Steel Series Performance Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 0.043 in., 0.043 in., 3.0mm, L8, V8, Set of 8

Part Number: HSN-SM5587030

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5712030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 6-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M4720030

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

• Drop Ship
• Special Order

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: Tomorrow

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: Tomorrow

Engine Piston Ring Set, 4-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5570030

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-SM5587S030

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

• Drop Ship
• Special Order