Pistons, Rings, Wrist Pins, Bushings & More

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

Part Number: SUM-133-M139-30

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Today

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, Set of 8

Part Number: SUM-1109273780-5

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Pistons, Forged, Flat, 4.060 in. Bore, 350 Chevy, Set of 8

Part Number: DMS-8700-4060

5.0 out of 5 stars ( 1 )

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Piston Rings, Performance Series, 4.155 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4160MS-15

4.5 out of 5 stars ( 2 )

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Piston and Ring Kit, Powerpack, Flat Top, Forged Aluminum, 4.070 in. Bore, 4.00 in. Stroke, Dodge, LA, Set of 8

Part Number: MLE-930270270

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Pistons, Forged, Flat, 4.090 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2291F40

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Piston and Ring Kit, Thermal Barrier Coating, Forged, Dish, 4.075 in. Bore, Chevrolet, Duramax Diesel, V8, Set of 8

Part Number: MLE-930036275T

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston Rings, Steel, 4.600 in. Bore, 0.043 in., 0.043 in., 3.0mm Thickness, 8-Cylinder, Set

Part Number: TSR-CS4010-5

5.0 out of 5 stars ( 1 )

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Pistons, Forged, Flat, 4.290 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: SLP-L2315NF40

4.33 out of 5 stars ( 3 )

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Piston Rings, Pro GPX Gas Ported, 4.600 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP460043

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, Chrysler, Set of 8

Part Number: UEM-KB107-STD

3.0 out of 5 stars ( 2 )

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Pistons, Hypereutectic, Flat, 4.155 in. Bore, Chevy, Set of 8

Part Number: SLP-H400CP30

4.0 out of 5 stars ( 2 )

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Piston Rings, Gas Nitrided, 3.903 in. Bore, 0.047 in., 0.047 in. 3.0mm Thickness, Single Piston, Set

Part Number: WIS-3905GFX

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Pistons, Hypereutectic, Flat, 4.360 in. Bore, Ford, Set of 8

Part Number: SLP-H535CP

4.5 out of 5 stars ( 2 )

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Piston and Ring Kit, Forged, 4.030 in. Bore, Ford, Kit

Part Number: MLE-930244530

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Piston Rings, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: TSR-CR9090-30

5.0 out of 5 stars ( 2 )

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Pistons, Hypereutectic, Flat, 4.280 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H661CP30

5.0 out of 5 stars ( 3 )

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Piston Rings, Plasma-moly, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R990530

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Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-M139-00

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Pistons, Hypereutectic, Flat, 4.050 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-1131H-STD

5.0 out of 5 stars ( 4 )

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Pistons, FHR Coated, Forged 4032 Aluminum, Flat Top with Two Reliefs, 3.898 in. Bore, 0.945 in. Wrist Pin, GM, LS, 5.7L, Set

Part Number: UEM-IC9988C-STD

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Pistons, Forged, 4.500 in. Bore, 4.000 in. Stroke, Dome Top, 6.135 in. Rod Length, 0.990 in. Pin Diameter, BBC 502, Chevy, Set of 8

Part Number: PIS-1000767

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Wrist Pin Retainer, Spiral, 1.017 in. Diameter, .042 in. Thick, Each

Part Number: JEP-927042CS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Moly, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-553K30

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