CHRYSLER Pistons & Piston Rings

Piston, Cast, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1273-STD

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1274-020

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1274-030

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S3247-020

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S3247-030

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S3247-040

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.970 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S3247-060

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.910 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S3247-STD

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.970 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1266-060

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1266-020

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1271-060

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1271-STD

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1273-020

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1279-060

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1279-STD

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-S1279HC-020

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1279HC-030

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.457 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1281-020

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.467 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1281-030

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

Piston, Cast, Flat, 3.497 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1281-060

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1274-040

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Part Number: UEM-S1274-STD

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 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-S1276-040

Not Yet Reviewed

Estimated Ship Date: Nov 12, 2025 if ordered today

• Special Order