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URD Mk3 Supercharger Kit 2005-2009 Lexus GX470



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URD has released a fantastic supercharger kit for the 2005-2009 Lexus GX470.  This kit provides a nice gain in power and torque while almost completely silent while doing so.  This kit matches the luxury of the Lexus very nicely.  Our testing shows a gain of 100 RWHP and 100 RWTQ with a low boost pressure of only 5.5 PSI.

Key Features

  • More power than any other supercharger system
  • Rotrex C38-81 Supercharger
  • Advanced Engine Management using the plug and play self tuning UCON-EMS by iTronix Technologies
  • High Flow fuel injectors and 255 LPH fuel pump
  • Silent Operation
  • Large air-air intercooler
  • Outstanding fit and finish
  • Easy installation
  • Off road snorkel compatible
  • Off road winch bumper friendly
  • Maynot fit trucks with KDSS swaybar disconnect system

Kit includes

  • Rotrex C38-81 Supercharger w/80mm pulley
  • Self contained Rotrex oil system with large oil cooler
  • Custom length drive belt
  • Precision charge piping made from mandrel bent aluminum
  • URD 255 LPH fuel pump/filter kit
  • Denso IK22 Iridium Power spark plugs
  • All stainless fasteners where possible
  • All silicone couplers with quality stainless liner clamps
  • Drive belt idler pulley
  • URD supercharger mounting bracket
  • Use the stock air filter box for quiet operation and cold air induction
  • High FLow fuel injectors with adapter harnesses
  • Advanced engine management using UCON Flex self tuning engine management system
  • Very detailed installation instructions


Peak gain was 100 RWHP and 59 RWTQ
Max gain was 107 RWHP and 101 RWTQ

This was using a 2008 Lexus GX470 with 109,000 miles on it. Completely stock except for the URD Supercharger system using Shell 93 Octane gas. Dyno was URD’s DynoJet 224xLC located in Owings MD very close to sea level. Boost peaks at about 5.5 PSI.


Year Make Model Engine
Year Make Model Engine
2005 - 2009 Lexus Lexus GX V8 4.7 2UZ-FE
Weight 85.00 lbs
Dimensions 36 × 24 × 12 in


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