KB Pistons & Piston Rings

Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB289-040

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Pistons, KB Performance, 4.195 in. Bore, Step, 1.510 in. Compression Height, Press/Float Pin, 5/64 x 5/64 x 3/16 Ring Grooves, AMC, Set of 8

Part Number: UEM-KB419-030

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Estimated Ship Date: Monday 12/22/2025

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Piston and Ring Kit, Hypereutectic, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB227KTM-STD

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: UEM-KB160KTM-040

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Estimated Ship Date: Jan 27, 2026 if ordered today

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

Part Number: UEM-KB106KTM-040

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Estimated Ship Date: Jan 27, 2026 if ordered today

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

Part Number: UEM-KB156-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Piston and Ring Kit, Hypereutectic, Flat, 3.930 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB167KTM-020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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Pistons, Hypereutectic, Step, 4.320 in. Bore, Chrysler, Dodge, Plymouth, Jensen, Set of 8

Part Number: UEM-KB237-STD

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Estimated Ship Date: Monday 12/22/2025

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Piston and Ring Kit, Hypereutectic, Dish, 4.420 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB206KTM-060

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.400 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB138KTM-040

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: UEM-9911HC-STD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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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-9908HC-060

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Estimated Ship Date: Monday 12/22/2025

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Pistons, Hypereutectic, Flat, 4.270 in. Bore, Chrysler, Dodge, Plymouth, 383, Set of 8

Part Number: UEM-KB162-020

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: UEM-KB246-STD

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Pistons, Hypereutectic, Step Head, AMC, Set of 8

Part Number: UEM-KB420-040

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.420 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB137KTM-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB368-060

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: UEM-9911HCKTM040

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 3.736 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB143KTM-STD

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Estimated Ship Date: Jan 28, 2026 if ordered today

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

Part Number: UEM-KB143KTM-020

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8

Part Number: UEM-KB346-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 28, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.310 in. Bore, Chevy, Set of 8

Part Number: UEM-KB257-060

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 3.820 in. Bore, Ford, Kit

Part Number: UEM-KB218KTD-040

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB166-060

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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

Part Number: UEM-KB128-030

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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