Pistons, Rings, Wrist Pins, Bushings & More

Piston Rings, Plasma-moly, 3.780 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP

5.0 out of 5 stars ( 10 )

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OIL RAIL SUPPORT

Part Number: JEP-4185-183

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Estimated Ship Date: Jan 20, 2026 if ordered today

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OIL RAIL SUPPORT

Part Number: JEP-4185-162

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Piston Rings, Original Premium Piston Ring Sets, Plasma-moly, 3.898 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-41850CP

5.0 out of 5 stars ( 2 )

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Piston Rings, Performance Series, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4185MS

5.0 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 4.185 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, Single Piston, Set

Part Number: WIS-4185LS

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Piston Rings, Plasma-moly, 3.799 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP020

5.0 out of 5 stars ( 2 )

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Piston Rings, Performance Series, 4.180 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-4185MS-112

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Piston Rings, Plasma-moly, 4.185 in. Bore, 1/16 in., 1/16 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4185HF

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 61.000mm Bore, Kawasaki, Kit

Part Number: WIS-4185M06100

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Estimated Ship Date: Jan 26, 2026 if ordered today

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

Part Number: MAH-41858CP030

5.0 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 3.820 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP040

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Piston Rings, Plasma-moly, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP020

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Piston Rings, Plasma-moly, 3.810 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP030

5.0 out of 5 stars ( 1 )

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.918 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-41850CP020

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Ring Set, Moly - Chrysler 3.8L 2001-2010 Vin L, P (M8696KM) EGH Engine

Part Number: MAH-41856CP010

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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k2-2468-4185-420-small-block-chevy-k2-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K2-2468-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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k1-2478-4185-434-small-block-chevy-k1-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K1-2478-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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1-2473-4185-434-small-block-chevy-1-fx-series-16cc-dish-top-forged-piston-set-4-185-bore

Part Number: DMS-1-2473-4185

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k3-2475-4185-434-small-block-chevy-k3-fx-series-21cc-dish-top-forged-piston-set-4-185-bore

Part Number: DMS-K3-2475-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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k3-2478-4185-434-small-block-chevy-k3-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K3-2478-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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k3-2308-4185-400-small-block-chevy-k3-fx-series-4cc-dome-top-forged-piston-set-4-185-bore

Part Number: DMS-K3-2308-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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k3-2741-4185-lt1-6-9-chevy-lt-direct-injection-3-fx-series-2618-alloy-series-forged-piston-set-4-185-bore

Part Number: DMS-K3-2741-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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k3-2744-4185-lt1-6-9-chevy-lt-direct-injection-3-fx-series-2618-alloy-series-forged-piston-set-4-185-bore

Part Number: DMS-K3-2744-4185

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Estimated Ship Date: Jan 19, 2026 if ordered today

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