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350, 400, 8" Performance Converter

8" Racekit

Part No.


8" Racekit
  • 8" Racekit


350, 400, 8" Performance Converter

8" Racekit

Part No. GM-RK-2

  • Flanged Impeller Hub
  • 30-Tooth Turbine Hub
  • Thrust Washer
  • Front Cover Bushing (Installed)
  • Front Cover, Dual Bolt Pattern
  • Adapter Ring

  • Turbine Hub Input Spline Count: 30
  • Core: Opel
  • Unit Size: 8"
  • Dampered: No
  • Lock Up: No

Sonnax dual-bolt pattern 8" racekit GM-RK-2 allows builders to assemble a high performance converter with minimal effort.

  • Fully machined cover with bushing installed
  • Unit-specific design for hassle-free installation
  • Oil flow grooves and holes increase fluid flow to keep converters running cooler
  • Turbine hub features a larger flanged diameter to increase the strength rigidity of the turbine
  • Clear, detailed instructions

Pilot kit NOT included

Sonnax Performance Converter Kits

Engineered to Deliver Builds that Last

Designed from the ground up to outperform OE and other aftermarket components, Sonnax has you covered with a full line of performance converter kits for gas and diesel vehicles. Offering the widest variety of options in the aftermarket, these innovative kits deliver customized performance and value.

Small/Large Diameter Single-Plate/Multi-Plate/Non-Lockup Dampered/Damperless

Learn more about Sonnax performance converter kits!

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