1966 Pistons & Piston Rings

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

Part Number: UEM-SKB400L-020

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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-SKB400L-030

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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

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Estimated Ship Date: Nov 10, 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

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Estimated Ship Date: Nov 10, 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: Nov 10, 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: Nov 10, 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: Nov 10, 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

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Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378L-020

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Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.170 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378L-040

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378R-020

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.170 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB378R-040

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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-SKB400-030

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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-SKB400-040

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Free Shipping
• Special Order

Pistons, Cast, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Set of 6

Part Number: UEM-1446-020

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Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 3.460 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1294-060

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Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 3.400 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1294-STD

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 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-S1263-060

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 3.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1294-020

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 3.430 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1294-030

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

Piston, Cast, Dish, 3.440 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, L6, Each

Part Number: UEM-S1294-040

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

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

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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-S1278-020

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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-S1278-030

Not Yet Reviewed

Estimated Ship Date: Nov 10, 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-S1278-040

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order