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: Mar 6, 2026 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: Mar 6, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.400 in. Bore, Ford, Set of 8

Part Number: UEM-KB368-040

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1 Set KB368.030/1 Set 4360AM8.030

Part Number: UEM-KB368KTM-030

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.103 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, Set of 8

Part Number: UEM-KB370-040

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Pistons, Hypereutectic, Step, 4.190 in. Bore, 5/64 in., 1/16 in., 3/16 in. Ring, Pontiac V8, Set of 8

Part Number: UEM-KB371-040

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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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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, Quench Head 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB373-060

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Pistons, Hypereutectic, Quench Head 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB373-STD

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

Part Number: UEM-KB373KTM-020

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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, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-020

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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, Dome, 4.125 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB375-STD

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Piston and Ring Kit, Hypereutectic, Dome, 4.145 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB375KTD-020

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Piston and Ring Kit, Hypereutectic, Dome, 4.165 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB375KTD-040

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

Part Number: UEM-KB375KTD-060

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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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Piston and Ring Kit, Hypereutectic, Dome, 4.145 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB375KTM-020

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

Part Number: UEM-KB100-060

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

Part Number: UEM-KB100KTD-020

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Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB100KTD-030

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Estimated Ship Date: Mar 6, 2026 if ordered today

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

Part Number: UEM-KB100KTD-040

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