KB Pistons & Piston Rings

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

Part Number: UEM-KB375KTM-030

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

Part Number: UEM-KB375KTM-040

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Piston and Ring Kit, Hypereutectic, Dome, 4.185 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB375KTM-060

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

Part Number: UEM-KB375KTM-STD

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Pistons, Hypereutectic, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB376-020

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Pistons, Hypereutectic, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB376-040

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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-KB376-060

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Piston and Ring Kit, Hypereutectic, Dome, 4.145 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB376KTD-020

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Piston and Ring Kit, Hypereutectic, Dome, 4.185 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB376KTD-060

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1 Set KB376.020/ 1 Set 4125BM8.020

Part Number: UEM-KB376KTM-020

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1 Set KB376.040/ 1 Set 4125BM8.040

Part Number: UEM-KB376KTM-040

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Pistons, Hypereutectic, Dish, 4.170 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB378-040

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.150 in. Bore, Ford, Big Block FE, Kit

Part Number: UEM-KB378KTM-020

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

Part Number: UEM-KB379-020

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

Part Number: UEM-KB379-040

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Estimated Ship Date: Jan 30, 2026 if ordered today

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

Part Number: UEM-KB379-STD

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

Part Number: UEM-KB379KTM-020

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

Part Number: UEM-KB379KTM-030

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

Part Number: UEM-KB379KTM-040

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1 Set KB368.020/1 Set 4360AM8.020

Part Number: UEM-KB368KTM-020

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1 Set KB368.030/1 Set 4360AM8.030

Part Number: UEM-KB368KTM-030

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1 Set KB368.STD/1 Set 4360AM8.STD

Part Number: UEM-KB368KTM-STD

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Pistons, Hypereutectic, Flat, 4.103 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8

Part Number: UEM-KB370-040

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Pistons, Hypereutectic, Flat, 4.123 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8

Part Number: UEM-KB370-060

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Piston and Ring Kit, Hypereutectic, Flat, 4.123 in. Bore, Pontiac, V8, Kit

Part Number: UEM-KB370KTM-060

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