CHRYSLER Mopar big block B Pistons & Piston Rings

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

Part Number: UEM-SKB400L-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB400L-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB400L-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB400R-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB400R-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB400R-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB400R-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280R-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280R-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280R-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280L-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• 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-SKB280L-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280L-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280L-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240L-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240L-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240L-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240L-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• 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-SKB240L-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240R-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240R-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240R-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB240R-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• 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-SKB240R-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

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

Part Number: UEM-SKB280L-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order