Pistons & Piston Rings

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

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Piston Rings, Moly, 4.195 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-302K30

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

Part Number: SLP-H749CP30

1.8 out of 5 stars ( 5 )

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Pistons, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Set of 6

Part Number: UEM-3136-STD

5.0 out of 5 stars ( 1 )

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Piston Rings, 4.350 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MLE-4355MS-15

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Piston Rings, Moly, 4.090 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-180K40

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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, Pro GPX Gas Ported, 4.500 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP450046

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Piston Rings, Performance Series, 4.165 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4170MS-15

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Pistons, Hypereutectic, Dish, 4.155 in. Bore, Wrist Pins and Pin Lock Rings, Chevy, Set of 8

Part Number: SLP-H615CP30

4.5 out of 5 stars ( 2 )

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Piston Rings, Plasma-moly, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR6490-35

5.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, 4.392 in. Bore, Flat, 1.752 in. CH, Press Fit Pin, 5/64 x 5/64 x 3/16 Rg Grooves, Ford, Lincoln, Mercury, Mercruiser, Set of 8

Part Number: UEM-3191HC-030

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Piston Rings, Performance Series, 3.776 in. Bore, Plus 0.005 in., File Fit, 1.0mm, 1.0mm, 2.0mm, 8-Cylinder, Set

Part Number: MLE-3781MS-112

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Estimated Ship Date: Feb 13, 2026 if ordered today

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Piston and Ring Kit, Cast Aluminum, 2.717 in. Bore, Briggs & Stratton World Formula Engine Model Series 124335, Kit

Part Number: PWD-557124

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Pistons, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Ford, Inline 6, Set of 6

Part Number: UEM-1147-030

5.0 out of 5 stars ( 1 )

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Piston Rings, Plasma-moly, 4.035 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR909035

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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 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Piston Rings, Gas Nitride Steel Top, Ductile second, Std. Tension oil, File Fit for 4.155 in. bore 1.2mm, 1.2mm, 3.0mm, Set

Part Number: SUM-136SN9050030

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Piston Rings, Performance, File Fit, 4.500 in. Bore, +0.005 in. Rings, Plasma-moly, 1.5mm, 1.5mm, 3.0mm, V8, 8 Sets

Part Number: MLE-4505MS-15

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Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG31F840302

5.0 out of 5 stars ( 4 )

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Piston Rings, Plasma-moly, 4.560 in. Bore, 1/16 in. 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: JEP-S100S8-45605

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 16, 2026 if ordered today

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Pistons, Cast, Flat, 4.180 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1525-030

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Piston Rings, Performance Series, 4.185 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4190ML-043

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-3101HC-040

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Piston Rings, Plasma-moly, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR2690-30

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