Wiseco Shelf Stock Piston | 1977-1981 Nissan Skyline FJ20 (6574M90)

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1977-1981 Nissan Skyline FJ20 Shelf Stock Piston by Wiseco

Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco’s Professional Series.


  • Product Series: Professional
  • Bore Diameter: 90.00 MM
  • Compression Height: 32.18 MM
  • Piston Volume: -16.70 CC
  • Piston Material: 2618
  • Skirt Coating: Yes
  • Forging Type: Full Round
  • Piston Quantity: 1
  • Ring Set Included: Yes
  • Top Compression Ring Thickness: 1.0 MM
  • Second Compression Ring Thickness: 1.2 MM
  • Oil Ring Thickness: 2.8 MM
  • Wrist Pin Included: Yes
  • Wrist Pin Material: 5115
  • Wrist Pin Outer Diameter: 0.866 IN
  • Engine Detail: Nissan FJ20


  • Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strength
  • ArmorGlide® Skirt Coating: seizure resistant, friction reduction, and quieter operation
  • Fully machined crown features
  • Precision ring grooves, anti-detonation groove, and additional ring seal improving features
  • Forced pin oiling
  • Designed and built to withstand heavy to severe duty performance applications


  • 1977-1981 Nissan Skyline FJ20

What's In The Box?

  • 1 - Piston


  • Wiseco's Standard Limited Warranty

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