KB Pistons & Piston Rings

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

Part Number: UEM-KB126KTM-STD

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Estimated Ship Date: Dec 8, 2025 if ordered today

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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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Pistons, Hypereutectic, Dome, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB140-060

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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-KB140-STD

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

Part Number: UEM-KB135-STD

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

Part Number: UEM-KB140KTD-030

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Pistons, Hypereutectic, Flat, 4.274 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB163-040

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Pistons, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB136-040

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Pistons, Hypereutectic, Dome, 4.060 in. Bore, Ford, 351W, Set of 8

Part Number: UEM-KB136-060

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

Part Number: UEM-KB164KTD-STD

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

Part Number: UEM-KB164KTM-020

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

Part Number: UEM-KB164KTD-030

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Pistons, Hypereutectic, Dish, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB186-STD

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Piston and Ring Kit, Hypereutectic, Dish, 3.756 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB186KTM-020

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Pistons, Hypereutectic, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB189-020

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Pistons, Hypereutectic, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB189-030

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

Part Number: UEM-KB189-STD

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

Part Number: UEM-KB189KTM-020

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

Part Number: UEM-KB189KTM-STD

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Pistons, Hypereutectic, Dome, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB190-020

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Pistons, Hypereutectic, Dome, 4.030 in. Bore, Chrysler, Dodge, Plymouth, Set of 8

Part Number: UEM-KB190-030

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

Part Number: UEM-KB190-060

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

Part Number: UEM-KB190-STD

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

Part Number: UEM-KB190KTM-030

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Pistons, Hypereutectic, Dome, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB191-020

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