The Yeah Racing Traxxas TRX-4 Stainless Steel Front & Rear Center Shaft is a direct replacement for the stock parts (TRA8250). These machined stainless steel and aluminum parts will increase strength and improve durability for improved overall performance. Plus, the coupler is replaceable, so you can replace the parts when they wear out. Package includes one front and one rear driveshaft.
Yeah Racing Traxxas TRX-4 Stainless Steel Front & Rear Center Shaft (Black)
Lasted 2 runs. The spring retainer that holds the axle ball pin in disappears fast if you're crawling over rocks, and the pin shoots out into the wilderness. No replacement parts are listed on YR's site, so $40 down the drain.