Speed-Pro Hypereutectic Pistons

4.59 out of 5 stars 332 Customer Reviews

If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactu

If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps. Choose the model designed for your vehicle and engine appl

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Speed-Pro Hypereutectic Pistons H336CP30

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

Part Number: SLP-H336CP30

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H336CP60

Pistons, Hypereutectic, Flat, 4.060 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H336CP40

Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP40

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H336CP

Pistons, Hypereutectic, Flat, 4.000 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H418CP 30

Pistons, Hypereutectic, Dish, 4.390 in. Bore,, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H418CP30

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

Speed-Pro Hypereutectic Pistons H653CP 30

Pistons, Hypereutectic, Dish, 4.030 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP30

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H336CP20

Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H336CP20

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

Speed-Pro Hypereutectic Pistons WH273CP 30

Speed-Pro Hypereutectic Pistons WH273CP 30

Piston, Hypereutectic, Flat Top, 4.030 in. Bore, 5/64 in, 5/64 in, 3/16 in. Ring Grooves, Ford, 289, 302, Each

Part Number: SLP-WH273CP30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H653CP 40

Pistons, Hypereutectic, Dish, 4.040 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP40

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H654CP 30

Pistons, Hypereutectic, Dish, 4.030 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP30

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H654CP

Pistons, Hypereutectic, Dish, 4.000 in. Bore, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H654CP

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H418CP 60

Pistons, Hypereutectic, Dish, 4.420 in. Bore,, Ford, Lincoln, Mercury, Set of 8

Part Number: SLP-H418CP60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons H653CP 60

Pistons, Hypereutectic, Dish, 4.060 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-H653CP60

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons WH820CP

Piston, Hypereutectic, Dish, 96.30mm Bore, 1.5mm, 1.5mm, 3mm Ring Grooves, Ford, 3.8L, Each

Part Number: SLP-WH820CP

Not Yet Reviewed

Estimated Ship Date: Monday 2/9/2026

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Estimated Ship Date: Monday 2/9/2026

Speed-Pro Hypereutectic Pistons WH843CP

Cast Piston - Individual

Part Number: SLP-WH843CP

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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