Yeah Racing Full Metal Axle Housing Upgrade Set For Traxxas TRX-4 #TRX4-S02. Full metal axle and stainless steel protector set for Traxxas's TRX-4!Upgrade the parts on your rig that come into contact with the trail the most! Yeah Racing Alloy Front Axle Housing (1 pc). Yeah Racing Alloy Rear Axle Housing (1 pc). Yeah Racing Alloy Diff Covers (2 pcs). Yeah Racing Stainless Steel Skid Plate (1 pc). Yeah Racing Stainless SteelDifferential Protectors (2 pcs). The item "Yeah Racing Full Metal Axle Housing Set For Traxxas TRX-4 RC Crawler #TRX4-S02" is in sale since Monday, June 11, 2018. This item is in the category "Toys & Hobbies\Radio Control & Control Line\RC Model Vehicle Parts & Accs\Body Parts & Interior\Cars, Trucks & Motorcycles". The seller is "rcmart" and is located in HK. This item can be shipped worldwide.