XRAY XB8E Option Parts

XB8E option & hop-up parts.

Performance upgrade parts for the XB8E, with notes on why each one is worth running and under which track conditions it helps most.

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Dirt

Most important for 1/8E dirt racing.

The upgrades that matter most for durability and consistency over bumps and jumps.

355086

Diff Pin & Insert - Aluminum Heat-Resistant

More diff stability with a lighter drivetrain.

355432, 355635 + 355415

Center Dogbone Driveshafts

More forward traction and easier maintenance.

355222

Universal Joint Driveshaft (Front & Rear)

More free suspension movement, suited to high-traction or bumpy conditions, with easier maintenance — for both front and rear.

350912

Rear Upright - Aluminum Multi-Adj. Set

More stability and more setup options.

352370

Steering Plate - Aluminum (2-Dot)

More low-speed steering — trades off slightly more difficult high-speed handling.

351236 + 351221

Steel Chassis Protectors

Longer chassis lifetime.

294315/294316

Motor Pinion - Steel

Steel construction for extra durability.

293409

Servo Horn - Aluminum, 3-Hole 25T

More rigid for more precise steering.

Full Reference

Complete XB8E option parts catalog.

Every hop-up part I consider for the XB8E, with a note on the trade-off it makes.

Part #	Part	Why / trade-off
352120 / -M / -G	Front Lower Arm - Soft/Medium (Kit)/Graphite	Sets front-end compliance vs stiffness.
352135 / -M / -G	Front Upper Arm - Soft/Medium (Kit)/Graphite	Sets front upper-arm compliance vs stiffness.
352244 / -H / -G	Steering Block - Medium/Hard (Kit)/Graphite	Sets steering precision vs impact compliance.
352489 - 352498	Front Anti-Roll Bar - 1.8mm to 2.8mm	Sets front roll stiffness.
353115 / 353116 / -XH / -G	Rear Lower Arm - Medium/Hard (Kit)/X-Hard/Graphite	Sets rear-end durability vs compliance balance.
353354 / -H / -G	Rear Upright - Medium/Hard (Kit)/Graphite	Sets rear toe/roll-center stiffness.
350912	Rear Upright - Aluminum Multi-Adj. Set	Lets you fine-tune rear ride height/diff position — shared with XB8.
353420 - 353432	Rear Anti-Roll Bar - 2.0mm to 3.2mm	Sets rear roll stiffness.
355250 / 252 / 253 / 254	Rear Drive Axle - Offset 0/+2/+3/+4mm (Kit +1mm)	Widens or narrows rear track width for handling tuning.
352366 / 352367 / 352368	Steering Plate - Carbon (1/2/3-Dot)	More dots give finer Ackermann adjustment.
352370 / 352372	Steering Plate - Aluminum (2-Dot/1-Dot)	Aluminum alternative to the carbon steering plate.
352664-G / 352666-G	Steering Ball Joint - Graphite	Lighter, lower-friction steering linkage.
353280	Rear Chassis Brace - Carbon	Reinforces the rear chassis against twist — shared with XB8.
351350 / 351351	Chassis Upper Plate - Composite (Kit)/Carbon	Carbon stiffens the chassis against torsional flex.
355022-G	Differential Case - Graphite	Lighter diff case option.
354946 / -G / 355050-052	Center Diff Spur Gear - Composite (Kit)/Graphite/Steel	Steel is more durable; graphite is lighter.
355085 / 355086	Diff Pin & Insert - Aluminum Heat-Resistant	More heat/wear resistant than the kit steel pin.
352194	Front Upper Arm Wing - Lexan	Adds front-end aero downforce/stability — shared with XB8.

Part numbers reference official XRAY option parts codes — always double-check current codes against XRAY's official parts list before ordering.