Pistons, Rings, Wrist Pins, Bushings & More

Forged Pro pistons for Olds 455, 4.155 bore, 1.750 C.H., 4.250 in. stroke, 6.735 in. rod, 17cc dish, 10.25@58cc, 9.9@60cc, 9.5@64cc, 9.2@88cc.

Part Number: SUM-BBO455030

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Piston and Ring Kit, Hypereutectic, Flat, 4.060 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB107KTM-060

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542030

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Pistons, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9904HC-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.250 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-H661CP

5.0 out of 5 stars ( 1 )

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Piston Rings, Performance Series, 4.060 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4065MS-15

5.0 out of 5 stars ( 1 )

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Piston Rings, Performance Series, 4.155 in. Bore, File Fit, 1.5mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: MLE-4160MS-15

4.5 out of 5 stars ( 2 )

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Piston Rings, Pro GPX Gas Ported, 4.040 in. Bore, File Fit, Gas Nitrided, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP404015

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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: JEP-S100S84350-5

5.0 out of 5 stars ( 1 )

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Piston and Ring Kit, PowerPak, Forged, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: MLE-930200130

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Piston Rings, Gas Nitrided, 4.070 in. Bore, 1.2mm, 1.5mm, 3.0mm, 8-Cylinder, Set

Part Number: JEP-JG31F8-40700

5.0 out of 5 stars ( 1 )

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, Chevy, Set of 8

Part Number: SLP-H631CP

5.0 out of 5 stars ( 2 )

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Piston Rings, Pro GPX Gas Ported, 4.280 in. Bore, File Fit, Gas Nitrided, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP428016

5.0 out of 5 stars ( 1 )

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Piston Rings, Performance Piston Ring Sets, Moly, 4.085 in. Bore, 1.5mm, 1.5mm, 2.5mm Thickness, V8, Set

Part Number: SLP-E997K50MM

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-KB135-030

5.0 out of 5 stars ( 1 )

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Piston Rings, Moly, 4.470 in. Bore, 5/64 in., 1/16 in., 3/16 in. Thickness, V8, Single Piston Set

Part Number: NAL-12524293

4.67 out of 5 stars ( 3 )

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Piston and Ring Kit, PowerPak, Forged, Chevrolet, Small Block, Kit

Part Number: MLE-930200330

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Pistons, Forged, Dish, 4.155 in. Bore, Oldsmobile, Set of 8

Part Number: SLP-L2323F30

5.0 out of 5 stars ( 5 )

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Pistons, Hypereutectic, Dish, 4.060 in. Bore, Chevy, Set of 8

Part Number: SLP-H423DCP60

5.0 out of 5 stars ( 1 )

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Piston Rings, Performance, HV385 Thermal, 4.125 in. Bore, File Fit, 1.0mm, 1.0mm, 2.0mm Thickness, V8, Set

Part Number: MLE-4130MS-112

5.0 out of 5 stars ( 1 )

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Pistons, Forged, Dome, 4.124 in. Bore, Chevy, Set of 8

Part Number: SLP-L2242NF30

5.0 out of 5 stars ( 1 )

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

Part Number: SLP-H336CP60

5.0 out of 5 stars ( 4 )

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Piston Rings, Moly, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 0.200 in. Deep Oil Ring Groove, 8-Cylinder, Set

Part Number: SLP-E-356K

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

Part Number: SUM-133-M139-00

4.5 out of 5 stars ( 6 )

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Pistons, E-Series, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: DMS-8715-4040

5.0 out of 5 stars ( 1 )

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