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Speed Pro

Speed Pro SPH426CP060 454 Ci BB Chev - Dome Top Hypereutectic Pistons

Speed Pro SPH426CP060 454 Ci BB Chev - Dome Top Hypereutectic Pistons

SPH426CP060
$443.80 AUD
$443.80 AUD
Sale Sold out
Tax included. Shipping calculated at checkout.

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 toretain standard ring gaps in the top groove

Piston Specifications :

  • CID: 461
  • Bore: 4.310
  • Stroke: 4.000
  • Rod Length: 6.135
  • Compression Height: 1.640
  • Compression Ratio with 100cc chamber volume: 9.96
  • Compression Ratio with 117cc chamber volume: 8.79
  • Compression Ratio with 124cc chamber volume: 8.36
  • Dome Volume: +10.5cc
  • Pin Type: Press or Float
  • Recommended Ring Set: Moly - SPE233K 060, STD Fit - SPR9905 060, File Fit - SPR9590 065
  • Coated skirt


Manufacturer Part Number:

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