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RSG T40R Build Thread

Posted by Jason Sampson on

  • Custom solid axle swap
  • Triangulated backward 4 link rear 
  • 3 link front
  • 2.5”x12” King coil overs w/ resi and compression adjusters on all corners
  • Currie Anti-rock rear sway bar
  • Trail Gear Creeper lock bead locks custom powder coated
  • 40x13.50R17 Toyo MTs


T40R Build List

  • 2016 Trail Edition 4Runner 
  • 5.7L Tundra V8 Supercharged
  • 6 Speed automatic 
  • Differential gear ratio: 5:13




  • 5.7L Tundra V8 swap
  • Magnuson Supercharged
  • Tuned with HP Tuners
  • 2.5” exhaust
  • Magnaflow 18” muffler


Drive train

5.7L V8 5th Gen 4runner

  • 6 Speed automatic Tundra transmission
  • Custom RSG Metalworks trans cross member/skid plate
  • Solid Axle Swapped with Ford 9” differentials



RSG 5th gen Toyota 4runner SAS Solid Axle Swap

  • Spidertrax custom front axle housing
  • Ford Hi-9 w/ 5:13 gears
  • Trail Gear inner C’s
  • Dana 60 internals
  • Currie Enterprises Tacoma 9” rear housing trussed
  • Ford 9” w/ 5:13s
  • ARB Air lockers
  • Howe hydro assist steering


Suspension, Wheels, Tires

RSG T40R 5th Gen Toyota 4Runner custom build

Exterior, Armor, Recovery

RSG Metalworks rock sliders 5th gen Toyota 4unner

  • Custom built RSG Metalworks front bumper
  • Warn CTI 9.5 Winch
  • Custom built RSG Metalworks high clearance rear bumper w/ cross member removed
  • RSG Metalworks Angled top plate sliders



RSG Metalworks T40R 5th Gen Toyota 4runner Head Lights

  • The Retrofit Source XB LED headlights 
  • Baja Designs Squadron amber ditch lights 
  • 30” light bar



  • Custom dash w/ new gauges
  • Custom center console w/ tundra shifter
  • Edge Insight
  • Kenwood Excelon DMX1057XR 10.1” 
  • JL Audio 12W6 Sub woofer
  • Hertz High Energy 3 Way front speakers
  • JL Audio VX800/8i
  • JL Audio JL VX1000/1i
  • Dobinsons Fridge

Newer Post →


  • Seriously, if y’all could design a 5.7 swap kit, I’d be all over it. I’m going to ride the wheels off my 2015 but at some point in the future want more power. It’s 10k for a 4.0 supercharger kit. Same guys who get that would be more than willing to drop 15k on a swap instead.

    David Arestie on
  • I have a 2015 4Runner, and I was wondering if you could do the same engine swap on mine that you did on his, and if so what would it run me? Thanks

    Adam on
  • This rig is amazing! Wondering when you’re going to sell it to me ;-) $100k probably ballpark? Lol

    John B on
  • Do you have more detailed information on the tundra engine swap. This is my dream one day, supercharging the V6 leaves me wanting more..

    Brad Zellner on
  • Yoooo, Brenan from here. Damn this build is impressive. I just keep wondering how long it took to swap all the electrical and wiring harnesses from the Tundra ECU over to the 4Runner. Jasons wiring game is on point!

    Brenan D Greene on

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