that's all the stock bumper really is

Height from Mounting Tab/top of Cylinder Head: 3" (76mm)

35C Specifications

FEATURES: Installs in gearbox to allow forward only operation

Paint Then Peel Overspray Film Included

Traxxas TRA8879 Rear Left/Right Deep-Terrain Treads, TRX-4 Crawler Accessories that's all the stock bumperTraxxas TRA8879 Rear Left Right Deep Terrain Treads, TRX 4 Tackle mud and loose terrain with this genuine Traxxas left and right rear deep terrain tread set for the TRX 4. Aggressive tread design is built to dig in and deliver traction on soft surfaces. A direct fit replacement, this set is an easy way to boost your TRX 4's off road grip at the rear. Genuine Traxxas replacement part Deep terrain tread design Left and right rear treads included Fits