KB Pistons & Piston Rings

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

Part Number: UEM-KB362-040

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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-KB362-060

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

Part Number: UEM-KB404KTM-STD

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-020

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-030

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-040

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-060

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-STD

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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-KB303-020

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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-KB303-030

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Pistons, Hypereutectic, Dish, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB303-040

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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-KB303-STD

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

Part Number: UEM-KB303KTM-040

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Piston and Ring Kit, Hypereutectic, Dish, 4.060 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB303KTM-060

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

Part Number: UEM-KB303KTM-STD

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Pistons, Hypereutectic, Dome, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB227-100

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Piston and Ring Kit, Hypereutectic, Dome, 4.320 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB227KTM-070

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Piston and Ring Kit, Hypereutectic, Dome, 4.350 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB227KTM-100

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

Part Number: UEM-KB228-020

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Estimated Ship Date: Oct 10, 2025 if ordered today

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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-KB228-060

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Pistons, Hypereutectic, Flat, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB228-070

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

Part Number: UEM-KB228KTM-020

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

Part Number: UEM-KB228KTM-STD

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Pistons, Hypereutectic, Flat, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB284-040

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Pistons, Hypereutectic, Flat, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB284-070

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