[Further Upgrade Your Top Forces Suspension]
This is a high-performance oil damper made with aluminum cylinders. designed to upgrade the oil dampers of the Top Force (2017). The spring retainer can be fixed in any position. allowing for adjustable spring stiffness. The set includes three piston types: 2-hole. 3-hole (Top Force standard). and 4-hole.

Precise oil settings are possible by combining it with separately sold oil. It can be used not only with the Top Force but also with Manta Ray series buggy models.

[Basic Specifications]
Includes 4 aluminum cylinders and 4 springs. #400 damper oil. and mounting screws and nuts.

[Manufacturer Page]
https://www.tamiya.com/japan/products/47358/index.html