SPH336CP 030


inc. GST

SKU: SPH336CP 030

BRAND: Speed Pro

351W ci SB Ford - Flat Top Hypereutectic Pistons
357 c.i., 4.030" bore, 3.500 stroke, 5.980" rod length, -12.0cc dome volume With 9.5 Deck

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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

Piston Specifications :

  • CID: 357
  • Bore: 4.030
  • Stroke: 3.500
  • Rod Length: 5.980
  • Compression Height: 1.772
  • Compression Ratio with 60cc chamber volume: 9.14
  • Compression Ratio with 63cc chamber volume: 8.91
  • Compression Ratio with 69cc chamber volume: 8.43
  • Dome Volume: -12.0cc
  • Pin Type: Press
  • Recommended Ring Set: Moly - SPE251K 030, STD Fit - SPR9903 030, File Fit - SPR9343 035

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