TRAXXAS TRX4 TRAIL CRAWLER Aluminum Front/Rear Adjustable Spring Dampers - 8pc set - GPM TRX4090 

This product includes :

STAINLESS STEEL ROUND HEAD SCREWS 3*23mm -2pcs
STAINLESS STEEL ROUND HEAD SCREWS 3*27mm -2 pcs

Product major function & usage :

Reduce the friction and absorb the pressure during driving so that the car can be more balanced

Outer diameter of the spring, coil of the spring, shock cylinder, shock shaft are all made thicker

Outer diameter of spring damper from original 16mm increase to 17mm

The cylinder of the shock absorber from original 11mm to 12.8mm

Spring coil from original 1.1mm increased to 1.2mm

Shock shaft from 3mm increased to 3.2mm