KB Pistons & Piston Rings

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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Estimated Ship Date: Apr 6, 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: Apr 7, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB207-STD

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Estimated Ship Date: Apr 7, 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: Apr 6, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.280 in. Bore, Chevy, Set of 8

Part Number: UEM-KB257-030

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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: Apr 6, 2026 if ordered today

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KB Hyper Piston - Ford 351M, -2cc Dome, Stock 6.580" Rod, 9.8:1 V8

Part Number: UEM-KB443C030

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac V8, Set of 8

Part Number: UEM-KB304-030

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Pistons, Hypereutectic, Dome, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB123-030

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.040 in. Ring Grooves, Chevy, Small Block, Kit

Part Number: UEM-KB135KTM-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: UEM-KB142KTM-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, Hypereutectic, Step, 4.190 in. Bore, 5/64 in., 1/16 in., 3/16 in. Ring, Pontiac V8, Set of 8

Part Number: UEM-KB371-040

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Estimated Ship Date: Apr 6, 2026 if ordered today

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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-9906HC-STD

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Estimated Ship Date: Apr 7, 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: Apr 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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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Piston and Ring Kit, Hypereutectic, Step Head, 4.320 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB236KTM-STD

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Estimated Ship Date: Apr 7, 2026 if ordered today

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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: Apr 6, 2026 if ordered today

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

Part Number: UEM-KB138KTM-060

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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: Apr 7, 2026 if ordered today

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

Part Number: UEM-KB138KTM-030

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Estimated Ship Date: Apr 7, 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: Apr 7, 2026 if ordered today

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

Part Number: UEM-9910HC-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: UEM-9901HCKTM060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.320 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB237KTM-STD

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Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: UEM-KB137KTM-040

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Estimated Ship Date: Apr 7, 2026 if ordered today

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