• Planes
  • Cars
  • Gliders
  • Helicopters
  • Boats
  • Radios
  • Batteries & Chargers
  • Equipment
  • SALE
Loading...
Loading...
Loading...
Loading...
Loading...

  • Metal gear toughness for using more powerful motors
  • Ready to install with yokes included
  • Easy step-by-step installation video available online
  • Sheet of colorful ARRMA decals also included
  • Keep growing your skills with amplified ARRMA performance

Logo alt

Everything RC since 1975.

Proudly supporting Australia’s RC community for generations with expert advice, exceptional service and quality models from the world’s leading RC brands.

Loading...

© 2025 Modelflight RC. All Rights Reserved

Loading...
Loading...

Arrma 4x2 Front and Rear Metal Diff Upgrade Set - BOOST BOX

SKU: ARA210007
Loading...
Loading...

Install the extra-durable ARRMA Metal Diff BOOST Box option part package and bring out the beast in your 4X2 BOOST, MEGA, or 3S basher. Included are strong, all-metal front and rear diffs with full metal ring gears, input gear, and internal gears.

Categories
  • Shop All
  • Cars
  • Planes
  • Gliders
  • Helicopters
  • Boats
  • Radios
  • Batteries & Chargers
  • Equipment
  • Sale
  • Shop by Brand
About
  • Our Story
  • Retail Store
  • Blog
  • Contact Us
  • Opening Hours
Support
  • Warranty
  • Terms and Conditions
  • Delivery Information
  • Returns & Refunds
  • FAQs
  • Privacy Policy
  • Site Map
$209.99
Loading...
Loading...
Loading...
Loading...
Loading...
Loading...

Arrma 4x2 Front and Rear Metal Diff Upgrade Set - BOOST BOX

SKU: ARA210007
$209.99
Loading...
Loading...

Install the extra-durable ARRMA Metal Diff BOOST Box option part package and bring out the beast in your 4X2 BOOST, MEGA, or 3S basher. Included are strong, all-metal front and rear diffs with full metal ring gears, input gear, and internal gears.

In stock

Similar Products

Loading...
TLR Carbon Spindle Arm Set, No. 1, 22X-4
TLR Carbon Spindle Arm Set, No. 1, 22X-4$24.99
View product
TLR Carbon Bell Crank Plate, 22X-4
TLR Carbon Bell Crank Plate, 22X-4$14.99
View product
TLR Wing Mount and Washers, 22X-4
TLR Wing Mount and Washers, 22X-4$17.99
View product
TLR Front Bumper, 2pcs, 22X-4
TLR Front Bumper, 2pcs, 22X-4$13.99
View product
TLR Composite Steering Set, 22X-4
TLR Composite Steering Set, 22X-4$18.99
View product
TLR Carbon Chassis Brace Support Set, 22X-4
TLR Carbon Chassis Brace Support Set, 22X-4$43.99
View product
TLR Chassis Brace Set, 22X-4
TLR Chassis Brace Set, 22X-4$21.99
View product
TLR Mud Guard Set, Soft, 22X-4
TLR Mud Guard Set, Soft, 22X-4$27.99
View product
TLR Battery Mount Set, 22 5.0
TLR Battery Mount Set, 22 5.0$22.99
View product
TLR Front Bulkhead, 22 5.0
TLR Front Bulkhead, 22 5.0$16.99
View product