KB Pistons & Piston Rings

Piston, Hypereutectic, Flat, 4.100 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB243-060

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, Hypereutectic, Dome, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB400-060

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Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB400-STD

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Piston, Hypereutectic, Dome, 4.390 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB401-030

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, Hypereutectic, Dome, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB401-040

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Piston, Hypereutectic, Dome, 4.360 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB401-STD

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Piston, Hypereutectic, Dish, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB403-040

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Piston, Hypereutectic, Dish, 4.420 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB403-060

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Piston, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, GM, Each

Part Number: UEM-SKB404-060

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

Part Number: UEM-SKB416060

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

Part Number: UEM-SKB418060

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Piston, KB Hyper Single Piston - AMC 401 Rod -5.858 Step Dish 28cc 2V

Part Number: UEM-SKB419040

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SINGLE PISTON

Part Number: UEM-SKB419060

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Piston, KB Hyper Single Piston - Pont 400, Rod 6.663, Dome -10cc

Part Number: UEM-SKB422060

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Piston, KB Hyper Single Piston - Pont 400, Rod 6.663, Dome -10cc

Part Number: UEM-SKB422STD

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

Part Number: UEM-KB124KTD-060

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

Part Number: UEM-KB124KTM-020

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Pistons, Hypereutectic, Flat, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB125-040

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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-KB207-100

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Piston, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring, Chevy, Big Block, Set of 8

Part Number: UEM-KB207070

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Piston and Ring Kit, Hypereutectic, Dome, 4.280 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB207KTD-030

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Pistons, Hypereutectic, Dome, 4.255 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB210-005

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Pistons, Hypereutectic, Dome, 4.260 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB210-010

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Pistons, Hypereutectic, Dome, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB210-020

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Pistons, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8

Part Number: UEM-KB210-030

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