Pistons & Piston Rings

Pistons, Forged Aluminum, Flat, 3.800 in. Bore, 1.331 in. Compression Height, 0.945 in. Pin, Chevy, LS, Each

Part Number: SUM-17400C-20-1

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Plasma-moly, 3.661 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4790

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Performance Series, 4.310 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4315MS

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

• Free Shipping

Piston Rings, Plasma-moly, 3.789 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978010

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: SUM-17360FC-30-1

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• Special Order

Pro LS 2618 Forged Piston, 3.780 bore, 1.110 C.H., 5cc dish, 4.000in. Stroke, 6.125 Rod, NA/Boost/Nitrous, Coated, 4.8L 5.3L LS Vortec Truck, Each

Part Number: SUM-110S273780-5

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Plasma-moly, 4.050 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M574

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Moly, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245K40

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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 10/6/2025

Piston Rings, Moly, 4.110 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-301K30

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.875 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, L2, V2, Set

Part Number: HSN-2M4941

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Performance Series, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4390MS

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Moly, 4.093 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-232K

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Single Piston

Part Number: MAH-S0166

Not Yet Reviewed

Estimated Ship Date: Nov 4, 2025 if ordered today

• Drop Ship
• Special Order

Piston and Rings, 3.012 Bore, 0.020 Oversize, Mariner 30HP 40HP, Kit

Part Number: WIS-3179P2

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

Piston Rings, Cast Iron, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245X40

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Moly, 4.123 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-232K30

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

MARINE PISTON

Part Number: WIS-3137PS

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Chrome, 3.465 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, 4-Cylinder, Set

Part Number: HSN-2C5297

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Cast Iron, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245X60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Performance, 3.465 in. Bore, 1.2mm, 1.2mm, 2.8mm, 4-Cylinder, 4 Sets

Part Number: MLE-8800MS-12

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

2.973 1.0 1.2 2.8 1CYL

Part Number: TSR-M2973XC

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Performance Series, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4250MS

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Plasma-moly, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139070

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

Piston Rings, Performance Series, 3.810 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 4-Cylinder, Set

Part Number: MLE-3815MS-15

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order