8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy (TLR04003) View larger

8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy (TLR04003)


8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy

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8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy

Key Features

  • Durable 4mm hard-anodized 7075 T-6 aluminum chassis
  • Improved suspension geometry
  • Reduced front driveshaft angle
  • Ball bearing throttle and brake actuators
  • Large-bearing spindles and hubs
  • Revised chassis side guards
  • Larger engine mount that reduces chassis flex
  • 15° caster blocks with adjustable spindle height
  • Aluminum shock caps with threaded bleeder holes
  • Molded driveshaft and dog bone boots
  • Aluminum shock towers with updated camber link and shock location holes
  • Weight ballast-ready to meet ROAR minimum weight requirement


The story of the 8IGHT platform is the story of a champion – one that encompasses multiple ROAR national titles in addition to major wins on the international stage. The 8IGHT 4.0 buggy builds on this championship-winning heritage with updates to the suspension geometry and drivetrain layout that make it both easier to drive and tougher to beat.

Revised Suspension Geometry

New suspension geometry makes it easier for drivers of all experience levels to turn faster lap times with fewer mistakes, particularly during brutal, hour-long mains.

Optimized Drivetrain Layout

The engine has been repositioned to reduce front driveshaft angle so more power makes it to the front wheels.

Ball Bearing Actuators

The revised throttle actuator now uses bearings to further improve throttle and brake response. It also features a new brace that prevents flexing during heavy braking.

Large Bearing Spindles and Hubs

Front spindles and rear hubs have been revised to accept a larger 8 × 16 × 5 outer bearing for increased durability.

Revised Chassis Side Guards

The chassis side guards have been updated for a better fit. They also feature indentations for the Velcro body strips.

Large-Footprint Engine Mount

In addition to its new position, the engine mount has been designed with a larger footprint that substantially reduces chassis flex and fatigue underneath the engine when racing on high-grip tracks.

Adjustable Caster Blocks

The adjustable, 15-degree caster blocks make it possible to tune dog bone plunge by changing the height of the spindle.

New Bleeder Shock Caps and Seals

The new bleeder shock caps and internal seals allow for easier rebuilds while using an emulsion shock setup. New bushings that press into the shock cap further improve durability.

Driveshaft and Dog Bone Boots

Molded rubber boots on the universals and center drivetrain dog bones increase U-joint life by holding lubrication in and keeping dirt out.

Redesigned Shock Towers

The machined aluminum shock towers have new camber link and shock location holes that give racers more tuning options for changing track conditions.

Weight Ballast-Ready

The chassis has been designed to accommodate hard-mount ballast weights so it is easier to meet the ROAR minimum weight requirement.

Cab-Forward Body

The cab-forward body moves aerodynamic pressure further forward on the car, which improves steering.


Approximate Assembly Time:3-5 Hours
Ball Bearings:Yes â Throughout
Batteries:Not included
Body:8 3.0 Cab Forward, unpainted
Charger:Not included
Chassis:4mm, 7075 T-6 Aluminum, Hard Anodized
Completion Level:Kit
Differential:Sealed viscous filled gear differential
Engine Size:.21â.31 size engine (not included)
Final Drive Ratio:11.9:1
Front Track:12.0 in (305mm)
Fuel Tank Capacity:4.2 oz (125cc)
Gear Pitch:1.0 Module
Ground Clearance:2.4 in (60mm)
Height:7.1 in (180mm)
Internal Gear Ratio:3.23:1
Length:19.6 in (497mm)
Radio:Not included
Rear Track:12.1 in (307mm)
Servos:Not included
Shock Type:Aluminum, Oil-Filled
Spur Gear:48T
Track:12.1 in (307mm)
Vehicle Type:Buggy
Weight:Varies on equipment used
Wheel Diameter:3.3 in (83.5mm)
Wheel Type:Dish
Wheel Width:1.7 in (42mm)
Wheelbase:12.7â12.9 in (323â327mm)
Width:12.1 in (308mm)


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8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy (TLR04003)

8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy (TLR04003)

8IGHT 4.0 Race Kit: 1/8 4WD Nitro Buggy

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