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Speed Pro

Speed Pro SPH534CP020 305 Ci SB Chev - Flat Top Hypereutectic Pistons 309 C.I. 3.756" Bore 3.480 Stroke 5.700" Rod Length -5.0Cc Dome Volume Sph534Cp 020

Speed Pro SPH534CP020 305 Ci SB Chev - Flat Top Hypereutectic Pistons 309 C.I. 3.756" Bore 3.480 Stroke 5.700" Rod Length -5.0Cc Dome Volume Sph534Cp 020

SPH534CP020
$499.70 AUD
$499.70 AUD
Sale Sold out
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Available on both hypereutectic and POWERFORGED pistons, DUROSHIELD is an exclusive moly-graphite skirt
coating that extends engine life and essentially eliminates scuffing. This technologically advanced coating is precisely applied to the piston through a computer-controlled process.

DUROSHIELD skirt coated pistons:

  • Reduce friction for increased fuel economy and horsepower
  • Essentially eliminate scuffing and wear
  • Prevent damage from inadequate lubrication, especially at start-up
  • Improve cylinder sealing for less blow-by and more power
  • Require no increase in skirt clearance

Piston Specifications :

  • CID: 309
  • Bore: 3.756
  • Stroke: 3.480
  • Rod Length: 5.700
  • Compression Height: 1.560
  • Compression Ratio with 64cc chamber volume: 8.36
  • Compression Ratio with 72cc chamber volume: 7.73
  • Compression Ratio with 76cc chamber volume: 7.46
  • Dome Volume: -5.0cc
  • Pin Type: Press
  • Recommended Ring Set: Moly - SPE356K 020, STD Fit - N/A, File Fit - N/A
  • Coated skirt


Manufacturer Part Number:

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  • Experienced Team

    Our team are all passionate about the Automotive Industry and involved with lots of avenues of Motorsports. We have mechanics, engine builders and die-hard enthusiasts here to answer your questions or give you expert advice for your ride - just give us a call!

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