Speed Pro SPH625CP-030 +.030 Flat Top Hypereutectic Pistons Sph625Cp 030 suit Chev BB 454 V8

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Speed Pro

SPH625CP-030
$377.90 AUD
$377.90 AUD
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Speed Pro SPH625CP-030 +.030 Flat Top Hypereutectic Pistons Sph625Cp 030 suit Chev BB 454 V8

Item Description

These ruggedly durable pistons are made with exclusive high strength FM425 alloy, and enhanced with 16.5% silicon for excellent tensile strength and scuff resistance. This advanced metallurgy permits tighter bore clearances, which help minimise noise on cold engine start-up. These pistons are the ideal choice for street performance applications and late-model replacement.

More Sealed Power hypereutectics benefits: 

  • Higher strength than cast or forged at operating temperature
  • Finely dispersed silicon particles provide a highly resistant wear surface and reduces scuffing
  • Lower material growth allows pistons to be fit tighter, improving cylinder sealing for less blow-by and more power
  • High silicon content allows elimination of groove inserts in certain applications
  • Designed to retain standard ring gaps in the top groove


  • Application: Chevy big block Mark IV, Gen V & VI 454 C.I.D. V8.
  • Bore (in): 4.280 in.
  • Bore (mm): 108.712mm
  • Piston Style: Flat top, with two valve reliefs
  • Piston Material: Hypereutectic aluminum
  • Compression Distance (in): 1.640 in.
  • Piston Head Volume (cc): -2.00cc
  • Wrist Pin Style: Press-fit or floating
  • Pin Diameter (in): 0.989 in.
  • Piston Ring Thickness: 5/64 in. x 5/64 in. x 3/16 in.
  • Quantity: Sold as a set of 8.
  • Notes: DurOshield® coated piston skirt.

Manufacturer Information

  • Manufacturer: Speed Pro
  • Manufacturer Part Number:
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  • Please Note: Images are for representation only and may differ than the actual product - please contact us if you require an exact photo

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