CHRYSLER 7.2L/440 Mopar big block RB Parts and Accessories

Piston, Cast, Flat, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1263-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Cast, Flat, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1276-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Cast, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1276-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: UEM-S1276-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Cast, Flat, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1263-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Cast, Flat, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1263-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1263-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

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

Part Number: UEM-S1263-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Big Block, Each

Part Number: UEM-S1276-060

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Estimated Ship Date: Apr 13, 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-SKB236-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB236-STD

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

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Piston, Hypereutectic, Step, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB184-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB184-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB236-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB184-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Forged, Dome, 4.375 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Each

Part Number: ROS-W99545L

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Piston, Forged, Dome, 4.375 in. Bore, Chrysler, Dodge, Jensen, Plymouth, Each

Part Number: ROS-W99545R

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Pistons, FHR, Forged 4032 Aluminum, 4.350 in. Bore, 3.750 in. Stroke, Flat Top, Dodge, Big Block, RB, Each

Part Number: UEM-SIC9953-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Pistons, FHR, Forged 4032 Aluminum, 4.360 in. Bore, 3.750 in. Stroke, Flat Top, Dodge, Big Block, RB, Each

Part Number: UEM-SIC9953-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Pistons, FHR, Forged 4032 Aluminum, 4.380 in. Bore, 3.750 in. Stroke, Flat Top, Dodge, Big Block, RB, Each

Part Number: UEM-SIC9953-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB237-030

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Estimated Ship Date: Apr 13, 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

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB237-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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

Part Number: UEM-SKB237-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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