Pistons & Piston Rings

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: Apr 13, 2026 if ordered today

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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

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1443HC-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Step, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3118H-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9901HC-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9904HC-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9904HC-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

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

Part Number: UEM-S9909HC-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Cast, Dome, 89.25mm Bore, 2.0mm, 2.5mm, 4.0mm Ring Grooves, Toyota, L4, Each

Part Number: UEM-S9049-75MM

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9902HC-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9902HC-STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9910HC-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9911HC-020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Cast, Dish, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1446C-030

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 3.978 in. Bore, 3/32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3481HC-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3452H-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.736 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3452H-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.796 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3452HC-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Piston, Cast, Dish, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3454-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Cast, Dish, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3454-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dish, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Ring, Mercruiser, V8, Each

Part Number: UEM-S3455H-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dish, 91.6mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mitsubishi, L4, Each

Part Number: UEM-S3210H-5MM

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Piston, Hypereutectic, Dish, 91.85mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Mitsubishi, L4, Each

Part Number: UEM-S3210H-75MM

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Estimated Ship Date: Apr 13, 2026 if ordered today

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