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ZF 6HP26 Transmission Upgrades

ZF 6HP26 Performance Transmissions

GRT - Transmission Specialists is your go to for the ZF 6HP26 Performance Transmissions. We offer a range of performance build levels to meet your specific needs. We are your go-to experts for ensuring that your transmission is built with high quality parts and workmanship.

ZF Transmission Performance Rebuilds: ZF 6HP26

Stage 1: 750 HP

Stage 2: 1000 HP

Stage 2: 1000 HP

  • Full dismantle and clean of transmission case and internals with hot wash, inspecting internals for wear and tear
  • New Heat treated input shaft 
  • Upgraded clutch and steel pack 
  • Genuine ZF GSR Overhaul kit- new seals, gaskets and o'rings 
  • New Genuine ZF filter service kit- new pan filter and gasket
  • New bush kit
  • New washer and bearing kit

Stage 2: 1000 HP

Stage 2: 1000 HP

Stage 2: 1000 HP

  • Full dismantle and clean of transmission case and internals with hot wash, inspecting internals for wear and tear
  • Upgraded ZF-6R80 Converter with Billet Rings 
  • New 6R80 input Shaft 
  • New 6R80 Drum 
  • New 6R80 Pump 
  • Machine pistons
  • Upgraded Plantery gear set
  • Upgraded clutch and steel pack 
  • Genuine ZF GSR Overhaul kit- new seals, gaskets and o'rings
  • New Genuine ZF filter service kit- new pan filter and gasket 
  • New bush kit
  • New washer and bearing kit
  • Zip Kit 
  • New Genuine ZF Valve body separator plate and solenoid kit

Stage 3: 1200 HP

Optional Modifications/Upgrades

Optional Modifications/Upgrades

  • Full dismantle and clean of transmission case and internals with hot wash, inspecting internals for wear and tear
  • Upgraded ZF-6R80 Converter with Billet Rings 
  • New 6R80 input Shaft 
  • New 6R80 Drum 
  • New 6R80 Pump 
  • Machine pistons
  • Billet Intermediate Shift
  • Upgraded Plantery gear set
  • Upgraded clutch and steel pack 
  • Genuine ZF GSR Overhaul kit- new seals, gaskets and o'rings
  • New Genuine ZF filter service kit- new pan filter and gasket 
  • New bush kit
  • New washer and bearing kit
  • Zip Kit
  • New Genuine ZF Valve body separator plate and solenoid kit

Optional Modifications/Upgrades

Optional Modifications/Upgrades

Optional Modifications/Upgrades

  • New Billet Intermediate Shaft
  • Upgraded Billet 4 pin Plantery gear set (upgrades the 1200 hp to 1500 hp
  • Zip Kit (recommended when transmission is high km's)
  • New Genuine ZF Valve body separator plate and solenoid kit












6HP26 Converter Upgrades

We offer a wide range of Torque Converter upgrades to suit your vehicle set-up. 


Converter Options we offer:

  • Standard Reconditioned - recommended for Stage 1 builds where a custom stall isn't  necessary but vehicle km's might be higher
  • Custom Hi-Stall Converter- ranging from 2800 RPM- upwards, our custom builds are 

Ready to speak to us about your ZF 6HP26 Upgrades?
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