KB Performance Piston Parts and Accessories

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: Feb 5, 2026 if ordered today

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

Part Number: UEM-KB398KTD-100

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Pistons, Hypereutectic, Dome, 3.930 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB399-020

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

Part Number: UEM-KB365KTD-020

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

Part Number: UEM-KB365KTD-030

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Piston and Ring Kit, Hypereutectic, Dome, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB365KTD-040

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

Part Number: UEM-KB365KTD-060

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

Part Number: UEM-KB6171KTD030

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB289-030

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PISTON SET OF 8

Part Number: UEM-KB289-STD

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Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Chrysler, Hemi, Kit

Part Number: UEM-KB289KTM-030

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, Chrysler, Hemi, Kit

Part Number: UEM-KB289KTM-040

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

Part Number: UEM-KB6142KTMSTD

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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, Step Dish, 4.400 in. Bore, Ford, Big Block, Kit

Part Number: UEM-KB402KTD-040

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, GM, V6, Kit

Part Number: UEM-KB6198KTD040

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Piston and Ring Kit, Hypereutectic, Flat, 4.040 in. Bore, GM, V6, Kit

Part Number: UEM-KB6198KTM040

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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, Dome, 4.030 in. Bore, GM, V6, Kit

Part Number: UEM-KB6359KTM030

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Piston and Ring Kit, Hypereutectic, Step Dish, 4.040 in. Bore, Ford, Small Block, Kit

Part Number: UEM-KB385KTM-040

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

Part Number: UEM-KB287KTM-STD

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

Part Number: UEM-KB149-020

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