Pistons & Piston Rings

Piston Rings, Performance Series, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4040MS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Plasma-moly, 4.280 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J10008-42805

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Plasma-moly, 4.020 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M5170020

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.100 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP410015

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.160 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP416016

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.130 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP413010

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 3.785 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP378515

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Performance Series, 3.780 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-3785MS-112

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3118H-STD

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-3101HC-060

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Cast, Flat, 3.875 in. Bore, Chevy, GM, Set of 8

Part Number: SLP-235NP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Pro GPX Gas Ported, 4.600 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP4600446

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Plasma-moly, 4.310 in. Bore, 1/16 in, 1/16 in. 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J100F8-43105

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, SBF, Set of 8

Part Number: SUM-17302C-20

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Performance Series, 4.035 in. Bore, File Fit, 0.043 in., .043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4040ML-043

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Flat Top, 2-Valve Reliefs, 4.440 in. Bore, 4.140 in. Stroke, 6.700 in. Rod, 1.520 in. Compression, Ford, Each

Part Number: JEP-150726S

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP20

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Pistons, Hypereutectic, Flat, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Set of 8

Part Number: UEM-3173HC-STD

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, DMR-Series, Plasma-Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: DMS-RSDM2004030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Piston Rings, Manganese, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-J820F841255

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Cast Aluminum, Flat, Four Valve Relief, 3.766 in. Bore, 3.480 in. Stroke, Chevy, 305, Set of 8

Part Number: SLP-534NP30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

RING-99.5mm/3.917 1.5,3mm

Part Number: MAN-46120-8

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Cast, Dish, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Set of 6

Part Number: UEM-1446C-060

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Performance Series, 4.080 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4085MS-15

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order