KB Pistons & Piston Rings

Pistons, Hypereutectic, Flat, 88mm Bore, 1.2mm, 1.2mm, 3.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB241-5MM

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Pistons, Hypereutectic, Flat, 88.25mm Bore, 1.2mm, 1.2mm, 3.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB241-75MM

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1 Set KB241.5MM/1 Set 3445ED4.50MM

Part Number: UEM-KB241KTD-5MM

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PISTON/RING KIT

Part Number: UEM-KB241KTD75MM

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

Part Number: UEM-KB243KTM-STD

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Pistons, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB245-030

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Pistons, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB245-040

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Pistons, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB245-060

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

Part Number: UEM-KB245KTD-040

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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, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB246KTD-040

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Pistons, Hypereutectic, Step, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB251-STD

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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, Step Head, 4.342 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB251KTM-STD

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Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, GM, Kit

Part Number: UEM-KB6106KTD030

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Piston and Ring Kit, Hypereutectic, Flat, 4.060 in. Bore, GM, Kit

Part Number: UEM-KB6106KTD060

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

Part Number: UEM-KB356-030

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Pistons, Hypereutectic, Step, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB356-070

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Piston and Ring Kit, Hypereutectic, Step Head, 4.020 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-020

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

Part Number: UEM-KB356KTM-030

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Piston and Ring Kit, Hypereutectic, Step Head, 4.070 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB356KTM-070

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Pistons, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Buick V8, Set of 8

Part Number: UEM-KB357-060

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.342 in. Bore, Buick, V8, Kit

Part Number: UEM-KB357KTM-030

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

Part Number: UEM-KB359-060

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

Part Number: UEM-KB359KTD-060

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