KB Pistons & Piston Rings

KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-040

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.155 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB350KTM-030

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

Part Number: UEM-KB350KTM-060

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

Part Number: UEM-KB366KTM-060

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Piston and Ring Kit, Hypereutectic, Dish, 4.120 in. Bore, Pontiac, V8, Kit

Part Number: UEM-KB346KTM-STD

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KB Hyper Piston - Chry 408 Rod 6.123 Step Dish 23.5cc 2V No Quench Dome

Part Number: UEM-KB416-020

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

Part Number: UEM-KB375-030

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Pistons, Hypereutectic, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-040

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

Part Number: UEM-KB402-060

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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, 4.420 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB402KTD-060

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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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Piston and Ring Kit, Hypereutectic, Dome, 4.125 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB375KTD-STD

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

Part Number: UEM-KB362-060

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Pistons, Hypereutectic, Dish, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB350-060

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Pistons, Hypereutectic, Dish, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB350-STD

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-060

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

Part Number: UEM-KB366KTD-030

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

Part Number: UEM-KB366KTD-060

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Pistons, Hypereutectic, Dish, 4.120 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac V8, Set of 8

Part Number: UEM-KB346-STD

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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 Dish, 4.180 in. Bore, Pontiac, V8, Kit

Part Number: UEM-KB371KTM-030

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Piston and Ring Kit, Hypereutectic, Dome, 4.000 in. Bore, Mopar, Small Block, Kit

Part Number: UEM-KB373KTM-STD

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Pistons, Hypereutectic, Quench Head, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in., Mopar, Set of 8

Part Number: UEM-KB373-020

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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-KB349-060

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