Piston Rings

Piston Rings, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP412512

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Gas Nitrided, 4.125 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4127GFX

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Piston Rings, Ductile Plasma Iron Top, Ductile second, Std. Tension oil, File Fit for 4.125 in. bore 1.5mm, 1.5mm, 3.0mm, Set

Part Number: SUM-1362M8505005

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Pro Seal, Gas Nitrided, 4.125 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, Single Piston, Set

Part Number: JEP-JG31F8-41252

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

PISTON RINGS

Part Number: CNN-RS1MGNHD4125

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Piston Rings, Pro GPX Gas Ported, 4.125 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP412543

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Performance Series, 4.125 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4130MS-15

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Stainless Steel Top Ring, Iron Napier Second Ring, Stainless Steel High Tension Oil Ring, 4.125+5 in., 0.043in., 0.043in., 0.043in,.Set

Part Number: TSR-CSH4434125

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Stainless Steel Series Performance, Gas Nitrided, 4.125 in. Bore, 1.2mm, 1.2mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-SN9050

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Plasma-moly, 4.125 in. Bore, 1/16 in, 1/16 in. 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-J30008-41255

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Plasma-moly, 4.125 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CR1002-5

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Steel, 4.125 in. Bore, 0.043 in., 0.043 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CS9010-5

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Piston Rings, Performance, 4.125 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, 8 Sets

Part Number: MLE-4125MS-15D

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

.043-.043-3.0

Part Number: JEP-J714F8-41255

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Plasma-moly, 4.125 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-J75008-41255

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5581

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, CS AP Advanced Profiling, Chromium Nitride, 4.125 in. Bore, 1.2mm, 1.2mm, 3.0mm, 8-Cylinder, Set

Part Number: TSR-CS4709035-1

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

1.2-1.5-3.0 RINGS

Part Number: JEP-J75001-41255

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Engine Piston Ring Set, 2-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5157

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order

Piston Rings, DMR-Series, Plasma-Moly, 4.125 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: DMS-RSDM2004125

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

TSR-MS2012-5-1

Part Number: TSR-MS2012-5-1

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Piston Rings, Plasma-moly, 4.125 in. Bore, 0.043 in., 0.043 in., 3.0 mm, Thickness, Single Cylinder, Set

Part Number: JEP-J7140141255

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Special Order

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M5539

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: HSN-2M5581S

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

• Drop Ship
• Special Order