KB Engines & Components

Pistons, Hypereutectic, Dish, 4.165 in. Bore, +28cc Piston Head Volume, American Motor, Set of 8

Part Number: UEM-KB418-STD

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Piston Set, KB Hyper Piston - AMC 390 Rod 5.858 Step Dish 28cc 2V

Part Number: UEM-KB418030

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Piston Set, KB Hyper Piston - AMC 390 Rod 5.858 Step Dish 28cc 2V

Part Number: UEM-KB418060

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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, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB376KTD-040

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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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1 Set KB376.060/ 1 Set 4125BM8.060

Part Number: UEM-KB376KTM-060

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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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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, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB379-030

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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: Mar 6, 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, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB379KTM-040

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

Part Number: UEM-KB139KTD-030

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

Part Number: UEM-KB139KTD-040

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