KB Engines & Components

Pistons, Hypereutectic, Dome with 2 Valve Reliefs, 4.040 in. Bore, w/Wrist Pins/Retainers, for 3.250 in. Stroke/5.700 in. Rods, Chevy, 327, Set of 8

Part Number: UEM-KB157-040

5.0 out of 5 stars ( 1 )

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

Part Number: UEM-9907HC-030

1.0 out of 5 stars ( 1 )

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Piston, Aluminum, Dish, 4.165 in. Bore, Set of 8

Part Number: UEM-KB419-STD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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

Part Number: UEM-KB203-060

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: UEM-KB120-040

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

Part Number: UEM-KB107KTM-040

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Piston and Ring Kit, Hypereutectic, Flat, 4.380 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB237KTM-060

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

Part Number: UEM-9908HC-STD

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

Part Number: UEM-9902HCKTMSTD

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Piston and Ring Kit, Hypereutectic, Dome, 4.390 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB401KTD-030

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB165-030

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

Part Number: UEM-KB116KTM-020

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 3.910 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB399KTM-STD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, Ford, Kit

Part Number: UEM-KB151KTM-STD

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 6, 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: Feb 6, 2026 if ordered today

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

Part Number: UEM-9909HCKTM030

5.0 out of 5 stars ( 1 )

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

Part Number: UEM-9906HC-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 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-KB236-STD

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Estimated Ship Date: Feb 5, 2026 if ordered today

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

Part Number: UEM-KB160-030

5.0 out of 5 stars ( 3 )

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Piston and Ring Kit, Hypereutectic, Flat, 4.180 in. Bore, Pontiac, V8, Kit

Part Number: UEM-KB222KTM-030

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Estimated Ship Date: Feb 2, 2026 if ordered today

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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-KB364-030

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 4

Part Number: UEM-KB217-030

5.0 out of 5 stars ( 1 )

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Piston and Ring Kit, Hypereutectic, Step Head, 4.382 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB280KTM-040

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

Part Number: UEM-KB151KTM-040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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

Part Number: UEM-KB401KTD-060

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