top of page

The Genuine Baja 5B is BACK as a Self Build Kit!

HPI large scale fans, we have heard you! The original, authentic, HPI Baja 5B is BACK and ready for you to build from the ground up! 


Build and own the legend! Experience the thrill and excitement of building a car which ends up being over 80cm (nearly 32 inches) long and weighing nearly 10kg (over 21 lb)! Just install your own electronics (and engine for the gas-powered version) as you build and you'll be ready for any adventure that comes your way!


The HPI Baja 5B is equipped with extra-big and super-tough suspension parts, featuring awesome HPI durability! With its expertly designed molded composite suspension plus extra-long adjustable HD shocks, and massive high impact nylon 3-piece beadlock wheels, the Baja 5B is ready for full-speed racing on any off-road circuit!


Great Baja 5B performance parts are included:

Front & Rear Sway Bars
Super Heavy Duty Drive Shafts #104966
One-Piece Rear Hub Carriers #104781
24mm Heavy Duty Front Hex Hubs #105612



  • Unassembled 1/5th scale Off-Road Buggy
  • Ready for your 23-32cc RC engine or 6S/8S LiPo electronics
  • Ready for your radio gear
  • Enclosed radio box
  • Baja desert racing body design specific to gas or Flux version
  • Adjustable HD shock absorbers
  • Monocoque chassis
  • Low CG for superior handling
  • Long travel suspension
  • Viscous torque oil-filled gear differential
  • All-terrain tires and beadlock wheels
  • Aluminum rear shock tower
  • Hard plastic skid plates
  • Adjustable rear wing
  • Quick access to all critical maintenance points
  • Dual bellcrank steering
  • Cam type servo saver
  • Hex socket hardware
  • Gunmetal anodizing
  • Full set of rubber-sealed ball bearings
  • Enclosed receiver box

Chassis Specifications

  • Overall Length 817mm
  • Height: 255mm
  • Width: Front - 460mm; Rear - 480mm
  • Tire Track (to center of tires): Front - 395mm; Rear - 400mm
  • Wheelbase: 570mm
  • Ride Height: 76mm
  • Suspension Travel: Front - 95mm; Rear - 100mm
  • Weight: 9.6kg (21.3lb)
  • Adjustable Camber: front - shims; rear - screw
  • Front caster: adjustable with shim 22 / 25.5* / 29 degrees (* stock)
  • Toe-in: Front adjustable with tie rod; Rear adjustable with inserts 0-4 degrees (3 degrees stock set-up)
  • Aircraft aluminum 6061 T6 monocoque chassis
  • Double wishbone suspension with adjustable roll center F/R
  • Drive system: HD metal gears with sealed gear box (8.382:1 gear ratio)
  • Differential: viscous torque control with 4 pinion gears; sealed diff case with silicone oil
  • Shock absorber: HD construction and threaded fully adjustable coilover springs
  • Wheel type: 3 pcs with high impact nylon material with inset heavy-duty metal hex hub

HPI Racing Baja 5B - Self Build Kit

SKU: 160323
    bottom of page