KB Pistons & Piston Rings

KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-030

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-040

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-STD

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Pistons, Hypereutectic, Dome, 4.420 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB401-060

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Pistons, Hypereutectic, Step, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB402-030

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Pistons, Hypereutectic, Step, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB402-040

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

Part Number: UEM-KB402KTD-040

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Pistons, Hypereutectic, Dish, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB403-030

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Pistons, Hypereutectic, Dish, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB403-040

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Pistons, Hypereutectic, Dish, 4.420 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB403-060

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Piston and Ring Kit, Hypereutectic, Dish, 4.420 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB403KTD-060

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

Part Number: UEM-KB404-020

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Pistons, Hypereutectic, Flat, 4.070 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB404-070

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Pistons, Hypereutectic, Flat, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB404-STD

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

Part Number: UEM-KB404KTD-020

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Estimated Ship Date: Jan 30, 2026 if ordered today

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

Part Number: UEM-KB404KTM-020

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Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, GM, Kit

Part Number: UEM-KB6105KTM040

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

Part Number: UEM-KB6106KTM030

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

Part Number: UEM-KB6106KTM060

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, GM, Kit

Part Number: UEM-KB6112KTD040

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, GM, Kit

Part Number: UEM-KB6112KTM040

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

Part Number: UEM-KB6113KTD060

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

Part Number: UEM-KB6113KTM060

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