Craftsman 5-gal totes fit 2-wide perfectly between the roof rack, so I came up with a cool modular storage system where I keep diff gear in the tubs & grab the ones
KOS32227 Shock/Diff Fluid Bag (w/15 Slots Internal Box) - Koswork R/C Model
Alldogs Offroad Coop. Alldogs Offroad 3.692 Ring and Pinion for Nissan M205 Front Differential
Tamiya Differential Gear Bag Set For Avante Super Astute
Elements Tote
Losi Transmission Gear Bag (Mini-LST) [LOSB1066] - HobbyTown
Differential Plastic Gear Bag Frog Subaru Brat Diff RC Tamiya 9005139 - X8412 for sale online | eBay
Tamiya Differential Bevel Gear Bag [TAM9404943] - AMain Hobbies
Elements Tote
AEV Recovery Gear Bag
Elements Tote
BOOTSTRAPT 15 in. Contractor's Tote Bag with Integrated Parts Bin Compartment 006-505 - The Home Depot
COMPLETE DIFFERENTIAL (FRONT OR REAR) – SPEED RC CARS
Amazon.com: Palumma RC Differential Gear, Metal Differential Gear Kit for FMS 1/24 FCX24 RC Remote Control Crawler Car Differential Gears Upgrade Parts : Toys & Games