KB Engines & Components

Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9904HC-STD

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Estimated Ship Date: Feb 2, 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-KB418060

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Estimated Ship Date: Feb 2, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.225 in. Bore, +28cc Piston Head Volume, American Motor, Set of 8

Part Number: UEM-KB418KTM-060

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

Part Number: UEM-KB100KTM-040

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

Part Number: UEM-KB101KTD-040

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

Part Number: UEM-KB106KTM-030

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Pistons, Hypereutectic, Flat, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB172-060

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Pistons, Hypereutectic, Dish, 4.274 in. Bore, Ford, 427, Set of 8

Part Number: UEM-KB199-040

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Piston and Ring Kit, Claimer, Hypereutectic, Dome, 4.060 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-9904HCKTM060

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1 Set 9956HC.040/1 Set 4000AM8.040

Part Number: UEM-9956HCKTM040

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PISTON

Part Number: UEM-SKB416-030

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

Part Number: UEM-KB127KTM-020

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Estimated Ship Date: Feb 5, 2026 if ordered today

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

Part Number: UEM-KB128-020

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

Part Number: UEM-KB128KTD-040

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

Part Number: UEM-KB128KTD-STD

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

Part Number: UEM-KB128KTM-040

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

Part Number: UEM-KB129-030

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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-KB129-040

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

Part Number: UEM-KB129KTD-STD

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

Part Number: UEM-KB129KTM-030

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

Part Number: UEM-KB129KTM-040

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

Part Number: UEM-KB129KTM-STD

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

Part Number: UEM-KB130-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB130-060

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Pistons, Hypereutectic, Dish, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Small Block, Kit

Part Number: UEM-KB130-STD

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