KB Pistons & Piston Rings

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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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: UEM-KB240-040

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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 88.5mm Bore, 1.2mm, 1.2mm, 3.0mm Ring Grooves, Mopar, Set of 4

Part Number: UEM-KB241-1-0MM

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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: UEM-KB243-020

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pistons, Hypereutectic, Flat, 4.100 in. Bore, Dodge, Plymouth, Set of 8

Part Number: UEM-KB243-060

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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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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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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: UEM-KB251-060

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: UEM-KB355-020

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: UEM-KB355-040

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pistons, Hypereutectic, Step, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB416-040

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Pistons, KB Performance, 4.000 in. Bore, Step, 1.465 in. Compression Height, Press/Float Pin, 5/64 x 5/64 x 3/16 Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB416-STD

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Piston & Ring Set, KB Hyper Coated Piston Kit - Suzuki 1.6L Rod 5.4921 Dish 5.86cc

Part Number: UEM-KB417CK75MM

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Estimated Ship Date: Dec 22, 2025 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: Dec 22, 2025 if ordered today

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-030

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-040

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Estimated Ship Date: Dec 22, 2025 if ordered today

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-STD

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Estimated Ship Date: Dec 22, 2025 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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Estimated Ship Date: Dec 22, 2025 if ordered today

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