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Sealed Power

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.

Showing In Stock Items. Show All 36 Items.

Results 1 - 20 of 20

Speed-Pro Forged Pistons L2256F60

Speed-Pro Forged Pistons L2256F60

Speed-Pro Forged Pistons L2256F60

Pistons, Forged, Flat, 4.060 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-L2256F60

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2399AF30

Speed-Pro Forged Pistons L2399AF30

Speed-Pro Forged Pistons L2399AF30

Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Set of 8

Part Number: SLP-L2399AF30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2240NF40

Speed-Pro Forged Pistons L2240NF40

Speed-Pro Forged Pistons L2240NF40

Pistons, Forged, Dome, 4.134 in. Bore, Chevy, Set of 8

Part Number: SLP-L2240NF40

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2166AF40

Speed-Pro Forged Pistons L2166AF40

Speed-Pro Forged Pistons L2166AF40

Pistons, Forged, Dome with Two Valve Reliefs, 4.040 in. Bore, Chevy, Small Block, Set of 8

Part Number: SLP-L2166AF40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2256F30

Speed-Pro Forged Pistons L2256F30

Speed-Pro Forged Pistons L2256F30

Pistons, Forged, Flat, 4.030 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-L2256F30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2242NF60

Speed-Pro Forged Pistons L2242NF60

Speed-Pro Forged Pistons L2242NF60

Pistons, Forged, Dome, 4.154 in. Bore, Chevy, Set of 8

Part Number: SLP-L2242NF60

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2300NF30

Speed-Pro Forged Pistons L2300NF30

Speed-Pro Forged Pistons L2300NF30

Pistons, Forged, Dome, 4.280 in. Chevy, Set of 8

Part Number: SLP-L2300NF30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2242NF40

Speed-Pro Forged Pistons L2242NF40

Speed-Pro Forged Pistons L2242NF40

Pistons, Forged, Dome, 4.134 in. Bore, Chevy, Set of 8

Part Number: SLP-L2242NF40

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2166AF30

Speed-Pro Forged Pistons L2166AF30

Speed-Pro Forged Pistons L2166AF30

Pistons, Forged, Dome with Two Valve Reliefs, 4.030 in. Bore, Chevy, Small Block, Set of 8

Part Number: SLP-L2166AF30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2268NF30

Speed-Pro Forged Pistons L2268NF30

Speed-Pro Forged Pistons L2268NF30

Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Set of 8

Part Number: SLP-L2268NF30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2256F

Speed-Pro Forged Pistons L2256F

Speed-Pro Forged Pistons L2256F

Pistons, Forged, Flat, 4.000 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-L2256F

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2165F30

Speed-Pro Forged Pistons L2165F30

Speed-Pro Forged Pistons L2165F30

Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: SLP-L2165F30

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2240NF30

Speed-Pro Forged Pistons L2240NF30

Speed-Pro Forged Pistons L2240NF30

Pistons, Forged, Dome, 4.124 in. Bore, Chevy, Set of 8

Part Number: SLP-L2240NF30

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2242NF30

Speed-Pro Forged Pistons L2242NF30

Speed-Pro Forged Pistons L2242NF30

Pistons, Forged, Dome, 4.124 in. Bore, Chevy, Set of 8

Part Number: SLP-L2242NF30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2256F40

Speed-Pro Forged Pistons L2256F40

Speed-Pro Forged Pistons L2256F40

Pistons, Forged, Flat, 4.040 in. Bore, Chevy, GMC, Set of 8

Part Number: SLP-L2256F40

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2240NF60

Speed-Pro Forged Pistons L2240NF60

Speed-Pro Forged Pistons L2240NF60

Pistons, Forged, Dome, 4.154 in. Bore, Chevy, Set of 8

Part Number: SLP-L2240NF60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2300NF40

Speed-Pro Forged Pistons L2300NF40

Speed-Pro Forged Pistons L2300NF40

Pistons, Forged, Dome, 4.290 in. Bore, Chevy, Set of 8

Part Number: SLP-L2300NF40

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2165F40

Speed-Pro Forged Pistons L2165F40

Speed-Pro Forged Pistons L2165F40

Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: SLP-L2165F40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2465F60

Speed-Pro Forged Pistons L2465F60

Speed-Pro Forged Pistons L2465F60

Pistons, Forged Aluminum, Dome with Single Valve Relief, 4.310 in. Bore, Stock Stroke, 1.640 in. CH, with Press-Fit Wrist Pins, Chevy, Set of 8

Part Number: SLP-L2465F60

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

Speed-Pro Forged Pistons L2465F30

Speed-Pro Forged Pistons L2465F30

Speed-Pro Forged Pistons L2465F30

Pistons, Forged, Dome, 4.280 in. Bore, Chevy, Set of 8

Part Number: SLP-L2465F30

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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Estimated Ship Date: Monday 2/23/2026 if shipped by air

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