SPH857CP 50MM



$562.42

inc. GST


SKU: SPH857CP 50MM

BRAND: Speed Pro

364 ci Chev LS2 - Flat Top Hypereutectic Pistons
367 c.i., 4.020" bore, 3.622" stroke, 6.098" rod length, -.007cc dome volume


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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 minimize 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: 371
  • Bore: 4.020
  • Stroke: 3.622
  • Rod Length: 6.098
  • Compression Height: 1.325
  • Compression Ratio with 64.5cc chamber volume: 11.19
  • Dome Volume: -.007cc
  • Pin Type: Press pin
  • Recommended Ring Set: Moly - SPR10603 25

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