KB Pistons & Piston Rings

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

Part Number: UEM-KB243KTM-STD

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Estimated Ship Date: Nov 24, 2025 if ordered today

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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-KB245-030

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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-KB245-040

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Pistons, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB245-060

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

Part Number: UEM-KB245KTD-040

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

Part Number: UEM-KB246KTD-020

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

Part Number: UEM-KB246KTD-040

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

Part Number: UEM-KB246KTD-060

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

Part Number: UEM-KB246KTM-020

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Pistons, Hypereutectic, Step, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB251-060

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KB Hyper Piston - Ford 3.7L Mercruiser 4 cyl

Part Number: UEM-KB413-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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1 Set KB416.020/1 Set 4000AM8.020

Part Number: UEM-KB416KTM-020

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1 Set KB416.040/1 Set 4000AM8.040

Part Number: UEM-KB416KTM-040

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1 Set KB416.060/1 Set 4000AM8.060

Part Number: UEM-KB416KTM-060

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1 Set KB416.070/1 Set 4000AM8.070

Part Number: UEM-KB416KTM-070

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Piston & Ring Set, KB Hyper Coated Piston Kit - Suzuki 1.6L Rod 5.4921 Dish 5.86cc

Part Number: UEM-KB417CK75MM

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Pistons, Hypereutectic, Dish, 4.165 in. Bore, +28cc Piston Head Volume, American Motor, Set of 8

Part Number: UEM-KB418-STD

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Piston Set, KB Hyper Piston - AMC 390 Rod 5.858 Step Dish 28cc 2V

Part Number: UEM-KB418060

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Pistons, Hypereutectic, Dish, 4.225 in. Bore, +28cc Piston Head Volume, American Motor, Set of 8

Part Number: UEM-KB418KTM-060

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Piston & Ring Set, 1 Set KB418.STD/1 Set 4165AM8.STD

Part Number: UEM-KB418KTMSTD

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Piston & Ring Set, 1 Set KB419.060/1 Set 4165AM8.060

Part Number: UEM-KB419KTM060

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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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