KB Engines & Components

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

Part Number: UEM-KB6171KTD030

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

Part Number: UEM-KB6171KTD060

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Piston and Ring Kit, Hypereutectic, Flat, 4.000 in. Bore, GM, Kit

Part Number: UEM-KB6171KTDSTD

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

Part Number: UEM-KB6171KTM030

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

Part Number: UEM-KB6171KTM060

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.566 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB389KTD-100

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Pistons, Hypereutectic, Step, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Cadillac V8, Set of 8

Part Number: UEM-KB395-040

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Pistons, Hypereutectic, Step, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Cadillac V8, Set of 8

Part Number: UEM-KB395-060

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.340 in. Bore, Cadillac, V8, Kit

Part Number: UEM-KB395KTM-040

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.360 in. Bore, Cadillac, V8, Kit

Part Number: UEM-KB395KTM-060

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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-KB397-030

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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-KB397-040

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Pistons, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB397-070

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Piston and Ring Kit, Hypereutectic, Dome, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB397KTD-040

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Piston and Ring Kit, Hypereutectic, Dome, 4.310 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB397KTD-060

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Piston and Ring Kit, Hypereutectic, Dome, 4.350 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB397KTD-100

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Piston and Ring Kit, Hypereutectic, Dome, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB397KTD-STD

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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-KB398-040

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Pistons, Hypereutectic, Dome, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB398-100

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Piston and Ring Kit, Hypereutectic, Dome, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB398KTD-040

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.320 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB398KTD-070

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Piston & Ring Set, 1 Set KB420.STD/1 Set 4165BD8.005

Part Number: UEM-KB420KTDSTD

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Pistons, Hypereutectic, Step Head, AMC, Set of 8

Part Number: UEM-KB420-040

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PISTON SET

Part Number: UEM-KB420-STD

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Pistons, KB Performance, 4.195 in. Bore, Step, 1.510 in. Compression Height, Press/Float Pin, 5/64 x 5/64 x 3/16 Ring Grooves, AMC, Set of 8

Part Number: UEM-KB420030

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