KB Pistons & Piston Rings

Pistons, Hypereutectic, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-020

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Pistons, Hypereutectic, Dome, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-030

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Pistons, Hypereutectic, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-040

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Pistons, Hypereutectic, Dome, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-STD

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Piston and Ring Kit, Hypereutectic, Dome, 4.145 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB375KTD-020

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Pistons, Hypereutectic, Dish, 89mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB268-1-5MM

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Pistons, Hypereutectic, Dish, 4.146 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Oldsmobile V8, Set of 8

Part Number: UEM-KB277-020

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.030 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB232KTM-030

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.000 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB232KTM-STD

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

Part Number: UEM-KB235KTD-060

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

Part Number: UEM-KB235KTM-060

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Pistons, Hypereutectic, Step, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB236-020

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Pistons, Hypereutectic, Step, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB236-040

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Pistons, Hypereutectic, Step, 4.380 in. Bore, Chrysler, Dodge, Plymouth, Jensen, Set of 8

Part Number: UEM-KB236-060

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 88.5mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB239-1-0MM

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Pistons, Hypereutectic, Flat, 89mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB239-1-5MM

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Pistons, Hypereutectic, Flat, 88mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB239-5MM

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Pistons, Hypereutectic, Flat, 87.5mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB239-STD

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Pistons, Hypereutectic, Flat, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB240-020

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Pistons, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB245-040

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Pistons, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB245-060

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Piston and Ring Kit, Hypereutectic, Dome, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB245KTD-040

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB246-060

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB246KTD-040

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Pistons, Hypereutectic, Step, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB251-STD

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