KB Pistons & Piston Rings

Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, GM, V6, Kit

Part Number: UEM-KB6213KTM030

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Piston and Ring Kit, Hypereutectic, Dome, 4.030 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB190KTM-030

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

Part Number: UEM-KB195KTD-040

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Pistons, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB201-STD

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Piston and Ring Kit, Hypereutectic, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB201KTD-STD

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Estimated Ship Date: Nov 17, 2025 if ordered today

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Pistons, Hypereutectic, Dish, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB206-060

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Piston and Ring Kit, Hypereutectic, Step Head, 4.402 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB215KTM-060

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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-KB224-040

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Piston and Ring Kit, Hypereutectic, Dome, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB227KTM-040

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

Part Number: UEM-KB232KTM-030

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB246-060

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

Part Number: UEM-KB246KTD-060

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Piston and Ring Kit, Hypereutectic, Step Head, 4.402 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB251KTM-060

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

Part Number: UEM-KB253KTD-040

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

Part Number: UEM-KB253KTM-040

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

Part Number: UEM-KB128KTM-060

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

Part Number: UEM-KB129KTM-STD

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Pistons, Hypereutectic, Dish, 4.155 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB130-030

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Piston and Ring Kit, Hypereutectic, Flat, 4.380 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB137KTM-020

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Piston and Ring Kit, Hypereutectic, Flat, 4.360 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB137KTM-STD

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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-KB140-060

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

Part Number: UEM-KB142KTM-030

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Pistons, Hypereutectic, Step, 4.090 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB150-040

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Piston and Ring Kit, Hypereutectic, Dish, 4.400 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB152KTM-040

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