Pistons & Piston Rings

Piston, Hypereutectic, Flat, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB320-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Step Dish, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB366-060

Not Yet Reviewed

Estimated Ship Date: May 26, 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, Chevy, Each

Part Number: UEM-SKB257-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB398-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Step Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB362-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB283-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB389-004

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB332-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.185 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB376L-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.165 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB375R-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB385-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB314-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB303-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, GM, Each

Part Number: UEM-SKB404-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB261-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Cadillac, V8, Each

Part Number: UEM-SKB353-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB399-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB333-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB284-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB365-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Step Dish, 4.530 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB389-064

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.380 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB401-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Cast, Dome, 78mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Mazda, L4, Each

Part Number: UEM-S1168-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Piston, Cast, Flat, 3.830 in. Bore, 5/64 in., 3/32 in., 3/16 in. Ring Grooves, Ford, Small Block, Each

Part Number: UEM-S1106-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 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: May 26, 2026 if ordered today

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