KB Pistons & Piston Rings

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

Part Number: UEM-KB232-060

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Estimated Ship Date: Apr 3, 2026 if ordered today

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

Part Number: UEM-KB232-STD

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.020 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB232KTM-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, 4.040 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB232KTM-040

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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, 4.350 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: UEM-KB236-030

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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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Piston and Ring Kit, Hypereutectic, Step Head, 4.350 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB236KTM-030

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

Part Number: UEM-KB237-020

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Pistons, Hypereutectic, Dish, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB126-STD

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

Part Number: UEM-KB126KTM-020

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Piston and Ring Kit, Hypereutectic, Dish, 4.185 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB126KTM-060

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

Part Number: UEM-KB127-020

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Pistons, Hypereutectic, Dome, 4.155 in. Bore, Chevy, Set of 8

Part Number: UEM-KB127-030

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB127-060

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

Part Number: UEM-KB127KTM-020

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Piston and Ring Kit, Hypereutectic, Dome, 4.155 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB127KTM-030

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Piston and Ring Kit, Hypereutectic, Dome, 4.185 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB127KTM-060

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

Part Number: UEM-KB128-020

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Piston and Ring Kit, Hypereutectic, Flat, 4.185 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB128KTM-060

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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-KB129-040

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Piston and Ring Kit, Hypereutectic, Dome, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB129KTD-040

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Piston and Ring Kit, Hypereutectic, Dome, 4.125 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB129KTD-STD

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Piston and Ring Kit, Hypereutectic, Dome, 4.125 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB129KTM-STD

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