
XRAY XB8 2026 Competition 1/8 4WD Off-Road Nitro Buggy Kit w/.21 Fx K303 Tuned Nitro Engine & Pipe Combo
About this part
Championship-Bred Performance
Push your racing to the limit with the XRAY XB8’26 Nitro Buggy Kit — a no-compromise machine engineered with cutting-edge chassis design, refined suspension geometry, and race-proven drivetrain upgrades to deliver explosive speed, unmatched traction, and precision control on any track.
About the XB8’26 Nitro Buggy Kit
Legendary Racing Heritage
The XRAY XB8’26 Nitro Buggy Kit continues XRAY’s legacy of elite off-road performance with constant innovation, premium craftsmanship, and race-proven durability, making it a top-tier choice for serious racers seeking speed, consistency, and reliability on any track.
Advanced Chassis Engineering
A CNC-machined 3mm Swiss 7075 T6 aluminum chassis features optimized flex, revised rear “C” block positioning for improved traction, and a split radio box layout that balances left-to-right flex while enhancing steering stability and overall handling precision.
Precision Suspension Tuning
Updated suspension geometry, lowered mounting positions, and Integrated Suspension Settings™ allow ultra-fine adjustments using eccentric bushings, delivering increased traction, stability, and adaptability across low- to medium-grip track conditions.
Refined Drivetrain Performance
The updated 4-shoe clutch system with a precision 14T clutch bell ensures smoother, more tunable engagement, while high-volume gear differentials, optimized driveline angles, and durable components maximize efficiency, consistency, and long-run reliability.
Race-Optimized Handling Control
Enhanced steering geometry with increased Ackermann, updated shock towers and shortened shocks, and the redesigned HUDY wing combine to boost cornering speed, stability, and downforce, giving drivers superior control and confidence at race pace.
Championship Winning Performance
The FX K303 Tuned Nitro Engine Combo delivers elite-level power with a proven 2025 European Championship pedigree, combining a smooth, linear power band with excellent fuel efficiency to give racers consistent speed, control, and endurance on demanding 1/8 off-road tracks.
Features:
- Updated chassis plate improves traction and protects drivetrain components
- Revised rear “C” block position increases rear grip and stability
- Split radio box design enhances chassis flex and overall balance
- 4-shoe clutch system provides smoother and more tunable engagement
- Precision 14T clutch bell ensures durability and consistent power delivery
- Adjustable suspension geometry allows fine-tuning for any track condition
- High-volume gear differentials improve consistency and reliability in long runs
- Updated shock towers and shorter shocks increase stability and corner speed
- Updated steering geometry with increased Ackermann improves handling and lap times
- HUDY rear wing design adds downforce for better control and stability
Includes:
- (1) XB8 2026 Competition 1/8 4WD Off-Road Nitro Buggy Kit
- (1) .21 Fx K303 Tuned Nitro Engine
- (1) Tuned Pipe & Manifold
- (1) “Eazy” High Performance Body
- (1) HUDY® 1/8 Off-Road Strike Wing
- Manual
Needed To Complete:
- (1) 3-channel Radio/Transmitter
- (1) Steering Servo
- (1) Throttle Servo
- (1) 4.8-7.4v Receiver Battery
- (1) Fuel (20-30% Nitro Recommended)
- (1) Nitro Starter Accessories
- (4) 1:8 Scale Buggy Tires & Wheels
- (1) CA (cyanoacrylate) Glue
- (1) Polycarbonate-Specific Paint
- (1) Thread-Locking Compound
Specifications:
| Scale | 1:8 |
|---|---|
| Drive | 4WD |
| Power Source | Nitro |
| Length | - |
| Wheelbase | - |
| Width | - |
| Height | - |
| Weight | - |
| Assembly Level | Kit |
*NOTE: RC Kits are an unassembled Remote Control Model that require assembly, racer selected electronics, and other racer provided items. Photos of assembled kit are for illustrative purposes only. For a complete list of needed items to drive this kit please see the list above.