KB Engines & Components

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: Dec 4, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.260 in. Bore, Mopar, Hemi, Kit

Part Number: UEM-KB211KTM-010

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

Part Number: UEM-KB122KTM-STD

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Pistons, Hypereutectic, Dish, 4.166 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Oldsmobile V8, Set of 8

Part Number: UEM-KB277-040

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

Part Number: UEM-KB125KTM-040

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Piston, Hypereutectic, Dish, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB168-STD

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

Part Number: UEM-KB181KTM-030

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Pistons, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9905HC-030

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Piston, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB202-040

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

Part Number: UEM-KB301KTM-020

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

Part Number: UEM-KB171KTD-030

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Piston, Hypereutectic, Flat, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB224-040

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

Part Number: UEM-KB139KTM-030

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Piston and Ring Kit, Hypereutectic, Flat, 4.566 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB173KTD-100

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Pistons, Hypereutectic, Dish, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB287-060

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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-KB155-030

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Pistons, Hypereutectic, Flat, 4.125 in. Bore, Chevy, Set of 8

Part Number: UEM-KB128-STD

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Piston, Hypereutectic, Dome, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB401-040

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Piston, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9901HC-060

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Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB119-040

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

Part Number: UEM-KB301KTM-040

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

Part Number: UEM-KB112KTD-030

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KB Hyper Single Piston - Chevy 350 Rod 5.700 Flat Top +6.5cc 4V

Part Number: UEM-SKB404080

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

Part Number: UEM-KB124KTM-060

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Pistons, Hypereutectic, Flat, 4.380 in. Bore, Ford, Set of 8

Part Number: UEM-KB137-020

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