For those requiring a really heavy duty servo arm

Zap PT41 Z-Poxy Finishing Resin Set 4 Ounce

Torque: 41

this axle is a direct replacement for the rear end of your rig

Losi LOSA6048 Suspension Balls 8

Pro-Line 10124-14 BF Goodrich 1.9" All-Terrain KO2 G8 Tire Set (2) Rock Crawler Arrma Parts For those requiring a reallyPro Line 10124 14 BF Goodrich 1. 9" All Terrain KO2 G8 Tire Set (2) Rock Crawler This is a pair of Pro Line BF Goodrich K02 1. 9" Tires and Foam Inserts. FEATURES Densely packed tread blocks with a large number of tread sipes for improved traction on any terrain Exact scale detail including Tire Warnings and T A sidewall tread logos G8 crawling compound INCLUDES Two BF Goodrich K02 1. 9" Tires and Foam Inserts SPECIFICATIONS Diameter: 4. 35" (110mm)