KB Pistons & Piston Rings

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

Part Number: UEM-KB110KTD-STD

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.020 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB110KTM-020

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

Part Number: UEM-KB110KTM-040

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Pistons, Hypereutectic, Dome, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB111-020

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Pistons, Hypereutectic, Dome, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-KB111-030

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Pistons, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB111-040

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 88.5mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB239-1-0MM

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Pistons, Hypereutectic, Flat, 89mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB239-1-5MM

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Pistons, Hypereutectic, Flat, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB240-020

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Pistons, Hypereutectic, Flat, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB240-060

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

Part Number: UEM-KB280-030

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Pistons, Hypereutectic, Step, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB280-040

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Piston and Ring Kit, Hypereutectic, Step Head, 4.362 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB280KTM-020

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Piston and Ring Kit, Hypereutectic, Step Head, 4.372 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB280KTM-030

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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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KB Hyper Piston - 4pk Chry 2.0L Rod 5.743 Flat Top 0cc No Valve. Kit with Rings

Part Number: UEM-KB241KTD10MM

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PISTON/RING KIT

Part Number: UEM-KB241KTD75MM

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Pistons, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB281-060

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB281-STD

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

Part Number: UEM-KB281KTM-STD

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, GM Holden, V8, Set of 8

Part Number: UEM-KB282-020

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, GM Holden, V8, Set of 8

Part Number: UEM-KB282-030

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, GM Holden, V8, Set of 8

Part Number: UEM-KB282-040

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