Engines & Engine Parts

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, Plasma-moly, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40564CP060

5.0 out of 5 stars ( 1 )

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

Part Number: SLP-E-921K30

5.0 out of 5 stars ( 3 )

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Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 5/64 in., 5/64 in., 3/16 in., 8-Cylinder, Set

Part Number: SLP-R-9343-45

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

Part Number: MAH-40564CP

5.0 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42084CP

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Piston Rings, Plasma-moly, 4.085 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set

Part Number: MAH-42082CP020

5.0 out of 5 stars ( 1 )

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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, Original Premium Piston Ring Sets, Plasma-moly, 3.917 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-41904CP

5.0 out of 5 stars ( 1 )

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.920 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, V8, Set

Part Number: MAH-42108CP

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Piston Rings, Plasma-moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40843CP

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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, Premium Piston Ring Sets, Plasma-moly, 4.090 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, V8, Set

Part Number: MAH-42156CP

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Piston Rings, Performance, Plasma-moly, 4.000 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, Chevy LS, V8, Set

Part Number: MAH-42157CP

5.0 out of 5 stars ( 1 )

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Piston Rings, Original Premium Piston Ring Sets, Plasma-moly, 4.125 in. Bore, 1.2mm, 1.2mm, 2.0mm Thickness, V8, Set

Part Number: MAH-42083CP

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Pistons, Rings, FX-Series, Forged 4032, 6.00cc Dome, 3.898 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2812-3898

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston Rings, Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-458K30

4.8 out of 5 stars ( 5 )

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Piston Rings, Moly, 4.040 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K40

5.0 out of 5 stars ( 1 )

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Pistons, Rings, FX-Series, XR Wrist Pins, Forged, 5.00cc Flat, 4.125 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K3-2920-4125

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Estimated Ship Date: Dec 22, 2025 if ordered today

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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, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40203CP060

3.67 out of 5 stars ( 3 )

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Piston Rings, Original Premium Piston Ring Sets, Plasma-moly, 4.000 in. Bore, 2.0mm, 1.5mm, 4.0mm Thickness, V8, Set

Part Number: MAH-41616CP

5.0 out of 5 stars ( 1 )

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Crate Engines, 365 HP Base Dressed Long Block, Aluminum Heads, Iron Block, 9.5:1 Comp., Hydraulic Roller, 4-bolt Mains, Ford, 302 Windsor, Each

Part Number: MLL-BP302MAXCT

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Piston Rings, Plasma-moly, 4.390 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-40843CP030

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Piston Rings, Plasma-moly, 4.000 in. Bore, File Fit, 5/64 in., 5/64 in., 3/16 in., 8-Cylinder, Set

Part Number: SLP-R93435

5.0 out of 5 stars ( 1 )

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