CHRYSLER Mopar big block B KB Pistons

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

Part Number: UEM-SKB162-STD

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB240-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB280-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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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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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-020

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Piston, Hypereutectic, Step, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-040

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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-SKB251-060

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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-SKB251-STD

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Piston, Hypereutectic, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB162-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB162-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: UEM-SKB162-060

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Piston, Hypereutectic, Dome, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB400-020

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Piston, Hypereutectic, Flat, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB162-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB400-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB400-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 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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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB280-040

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Estimated Ship Date: Apr 13, 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-SKB280-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB240-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB240-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 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: Apr 13, 2026 if ordered today

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

Part Number: UEM-SKB240-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: UEM-SKB240-STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Free Shipping
• Special Order

Piston, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB215-020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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