Pistons & Piston Rings

Piston Rings, Pro GPX Gas Ported, 4.600 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP460046

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

Part Number: UEM-3437HC-060

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Estimated Ship Date: Jan 15, 2026 if ordered today

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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, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-030

4.0 out of 5 stars ( 2 )

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5508

5.0 out of 5 stars ( 1 )

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Piston Rings, Pro HEMI, 4.090 in. bore, File-fit 1.2mm Nitride Steel Top, 1.2mm Ductile Second, 3.0mm Std. Tension Oil, 8 Cylinders, Set

Part Number: SUM-409012

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Piston Rings, Gas Nitrided, 4.000 in. Bore, 1.2mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: JEP-JG310840007

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, Hypereutectic, Dish, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 8

Part Number: UEM-3222HC-STD

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CL909030

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.640 in. Bore, 1.2mm, 1.2mm, 2.5mm Thickness, V8, Set

Part Number: MAH-42149CP010

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Estimated Ship Date: Jan 12, 2026 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 Rings, Premium Ductile Ring Sets, Plasma-moly, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M694

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Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. 6-Cylinder, 0.190 in. Deep Groove, VIN Z, Set

Part Number: SLP-E-459K

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Pistons, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9907HC-020

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Piston Rings, Performance Series, 4.020 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4025MS-15

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.155 in. Bore, File Fit, 5/64 in., 5/64 in., 3/16 in., 8-Cylinder, Set

Part Number: SLP-R587935

5.0 out of 5 stars ( 2 )

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Pistons, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Modified, Set of 8

Part Number: UEM-1160-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.315 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5519065

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: TSR-CR9150-5

4.0 out of 5 stars ( 1 )

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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: Jan 16, 2026 if ordered today

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Pistons, Cast, Flat, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block RB, Set of 8

Part Number: UEM-1263-020

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Pistons, KB Performance, 3.785 in. Bore, Dish, 1.353 in. Compression Height, Press/Float Pin, 5/64 x 5/64 x 3/16 Ring Grooves, Jeep, Set of 6

Part Number: UEM-KB424C-STD

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Piston and Ring Kit, Forged Aluminum, 68.500mm Bore, Suzuki, Kit

Part Number: WIS-756M06850

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.060 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP60

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.381 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M676040

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Estimated Ship Date: Dec 29, 2025 if ordered today

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