KB Engines & Components

Piston, Hypereutectic, Dome, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9903HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9903HC-060

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9905HC-060

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9905HC-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9911HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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

Part Number: UEM-S9912HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9909HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9912HC-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB156R-030

Not Yet Reviewed

Estimated Ship Date: Jun 1, 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, Mopar, Each

Part Number: UEM-SKB190R-040

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB112L-030

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-060

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB125L-030

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Piston, Hypereutectic, Flat, 3.930 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB167L-020

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Estimated Ship Date: Jun 1, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9901HC-STD

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: UEM-SKB290-030

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB202-070

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB157-STD

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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

Part Number: UEM-SKB126-020

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB189-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB156-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB215-060

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Estimated Ship Date: May 26, 2026 if ordered today

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Piston, KB Hyper Single Piston - AMC 401 Rod 5.858 Step Head 17.3cc 2V

Part Number: UEM-SKB420060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB349-030

Not Yet Reviewed

Estimated Ship Date: May 26, 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-SKB280-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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