1:1 Spec - K20C Traum Forged Pistons Set

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  • Regular price $799.95
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1:1 Race Engines K20C Forged Pistons Set (Set of 4)

Includes Pistons, Ring Set, Wrist Pins & Locks

Designed and Built by Traum. And proven in our own 1:1 Race Engines short blocks, these forged pistons are built to handle everything from high-performance street cars to serious drag and road race applications.

Available in your choice of:

  • 9.8:1 Compression – Closely matches the factory compression ratio and is ideal for pump gas, flex fuel, and turbocharged street builds.
  • 10.5:1 High Compression – Designed for maximum power in ethanol, methanol, and race fuel applications where increased compression improves spool, efficiency, and horsepower.

Select your desired compression ratio and bore size from the drop-down menu.

Features

  • Forged 2618 aluminum construction
  • CNC-machined for precise fit and consistent performance
  • Heavy-duty full floating wrist pins
  • Premium ring package included
  • Locks/clips included
  • Etched 1:1 Race Engines logo
  • Proven in our in-house race engines making over 1,000+ horsepower (with upgraded pins)
  • Designed for high boost and high RPM applications

Compatible Engines

  • Honda K20C1 (2017+ Civic Type R FK8 / FL5)
  • Honda K20C4 (2018+ Accord 2.0T)

Whether you're refreshing a stock-style build or assembling a dedicated race engine, these pistons deliver the strength and reliability required for demanding turbocharged applications.

Package Includes

  • (4) Forged Pistons
  • Complete Ring Set
  • (4) Wrist Pins
  • (8) Pin Locks