Pistons & Piston Rings

Piston Rings, Standard Piston Ring Sets, Cast Iron, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-51785CP

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Piston Rings, 4.125 in. Bore, 1.0mm, 1.0mm, 2.0mm Thickness, Single Cylinder, Set

Part Number: MLE-4130MS-112-1

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Piston Rings, Plasma-moly, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M683020

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Piston Rings, Phosphate Coated, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-574030

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Piston Rings, Plasma-moly, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139080

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Piston, Hypereutectic, Flat Top, 4.030 in. Bore, 5/64 in, 5/64 in, 3/16 in. Ring Grooves, Ford, 289, 302, Each

Part Number: SLP-WH273CP30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 97.03mm Bore, 1.5mm, 1.5mm, 3.0mm Thickness, Single Piston, Set

Part Number: WIS-3820GNX

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Wrist Pin Retainers, Wire Lock Type, Steel, 0.927 in. Wrist Pin Diameter, Set of 16

Part Number: MAN-42262-16

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Single Piston

Part Number: MAH-S2243727

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Estimated Ship Date: Dec 1, 2025 if ordered today

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LOCKS-.042 SPIRAL

Part Number: MAN-42271-32

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Piston Rings, Gas Nitrided, 41.00mm Bore, for use on Honda®, Set

Part Number: WIS-4100XZ

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Estimated Ship Date: Nov 24, 2025 if ordered today

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• Special Order

Piston Pin, 9310 Nickel Carbon Steel, 0.866 in. Diameter, 2.000 in. Length, 116 Grams, Each

Part Number: WIS-S734

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Piston Rings, HF Series, 4.000 in. Bore, File Fit, 1/16 in., 1/16 in., 3.0mm, Single Piston, Set

Part Number: WIS-4005HF

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Piston Rings, Phosphate Coated, 3.875 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, for Single Piston, Set

Part Number: HSN-4815S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-683

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Piston Rings, Plasma-moly, 3.935 in. Bore, 1/16 in., 1/16 in., 1/8 in., Thickness, Single Piston, Set

Part Number: TSR-CR149060-1

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Piston Wrist Pins, 93 Series, 9310 Steel, 0.787 in. Diameter, 2.050 in. Length, 0.160 in. Wall Thickness, Chamfered End, Each

Part Number: JEP-78720501693C

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Estimated Ship Date: Nov 18, 2025 if ordered today

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Piston, Hypereutectic, Flat, 4.030 in. Bore, 3.75 in. Stroke, 5/64 in., 5/64 in., 3/16 in. Rings, Chevy, Each

Part Number: SLP-WH860CP30

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston, Hypereutectic, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, GMC, 454, Each

Part Number: SLP-WH661CP

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Piston Rings, Cast Iron, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-243X30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-5615

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Performance, HV385 Thermal, 4.040 in. Bore, File Fit, 1.0mm, 1.0mm, 2.0mm Thickness, L1, Set

Part Number: MLE-4045MS112-1

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Piston Rings, Phosphate Coated, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-661

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro GPX 90.5mm/3.563 Gas Ported Rings, Forged Sport Compact pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP9050XX

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Pro GPX 85.5mm/3.366 Gas Ported Rings, Forged Honda B series pistons, File Fit, Gas Nitrided, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston Set

Part Number: SUM-GP8550XX

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Estimated Ship Date: Today