Pistons & Piston Rings

Piston Rings, Pro GPX Gas Ported, 4.005 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP400515

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Piston Rings, Pro GPX Gas Ported, 4.250 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP425016

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Pistons, Cast, Flat, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1526-040

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.080 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP408012

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, Set of 4

Part Number: UEM-3493HC-STD

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Pistons, Hypereutectic, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-1476HC-060

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Cast Iron Rings, Harley-Davidson®, Kit

Part Number: UEM-KB305-010

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Pistons, Hypereutectic, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-3440HC-060

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston Rings, Pro GPX Gas Ported, 4.440 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP444016

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Piston Rings, Pro GPX Gas Ported, 4.090 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP409012

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: SUM-GP404010

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Piston Rings, Performance Series, 4.040 in. Bore, File Fit, 0.043 in., 0.043 in., 3.0mm, 8-Cylinder, Set

Part Number: MLE-4045ML-043

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Piston Rings, Pro GPX Gas Ported, 4.185 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP418543

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, SBF, Set of 8

Part Number: SUM-17302C-20

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Pistons, Cast, Flat, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Set of 8

Part Number: UEM-1526-030

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Piston, Forged, Flat Top, Single Valve Reliefs, 4.600 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Each

Part Number: JEP-257968-1

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Pistons, Cast, Flat, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-060

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston Rings, Cast Iron, 3.755 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 4-Cylinder, Set

Part Number: TSR-S3750-5

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Piston, Forged, Dish, 2 Valve Relief, 4.030 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each

Part Number: JEP-138103S

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.500 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-R104515

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Pistons, Cast, Dish, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8

Part Number: UEM-1493C-030

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Pistons, Cast, Dish, 4.050 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Big Block FE, Set of 8

Part Number: UEM-1130-STD

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Pistons, Cast, Dish, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, V8, Set of 8

Part Number: UEM-2225C-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Piston Rings, Performance Series, 4.380 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4380MS-15

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 100.4mm Bore, 1.6mm, 1.75mm, 3.5mm Ring Grooves, Ford, V6, Set of 6

Part Number: UEM-3155HC-STD

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Estimated Ship Date: Oct 6, 2025 if ordered today

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