KB Engines & Components

Piston, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9903HC-030

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB287-030

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Step Dish, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB389-134

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.776 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB229-040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB243-040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB237-040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9904HC-040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB172-020

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB136-020

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.780 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB218-STD

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.800 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB217-020

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB218-030

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Estimated Ship Date: Nov 23, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB124-STD

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB174-134

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB107R-070

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Piston, Hypereutectic, Dome, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB157R-070

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Piston, Hypereutectic, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB121-040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB184-040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB215-STD

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB184-020

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB160-STD

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Estimated Ship Date: Nov 19, 2026 if ordered today

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KB Hyper Single Coated Piston-JEEP 4.6L, Stroked with 258ci crank

Part Number: UEM-SKB424C040

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac, V8, Each

Part Number: UEM-SKB133-030

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Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB113-060

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB157R-040

Not Yet Reviewed

Estimated Ship Date: Nov 19, 2026 if ordered today

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