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Speed-Pro Forged Pistons

4.51 out of 5 stars 72 Customer Reviews

Speed-Pro forged pistons are made from extruded VMS-75 aluminum alloy that's forged under 3,000 tons of pressure to "near-net" shape. After that, they're machined to their final configuration. These pistons offer excellent strength and durability—and are capable of taking the punishment that's dished out on the street and in competition. They're available for a wide variety of applications, including OE replacements and all-out racing engines.

Results 1 - 8 of 8

Pistons, Forged, Flat, 4.030 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-L2482F30

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Pistons, Forged, Flat, 4.080 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2291F30

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Pistons, Forged, Flat, 4.030 in. Bore, 3.500 in. Stroke, 5.780 in. Rod, Ford, 5.8L Cleveland, Set of 8

Part Number: SLP-L2379F30

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Pistons, Forged, Flat, 4.390 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-L2366F30

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Pistons, Forged, Flat, 4.090 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2291F40

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Pistons, Forged, Flat, 4.110 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2291F60

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Pistons, Forged, Flat, 4.040 in. Bore, Ford, Cleveland, Set of 8

Part Number: SLP-L2379F40

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Piston, Forged, Dish, 4.170 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2303NF40

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

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