This four-piece upgrade swaps in larger aluminium shock bodies and matched low-ground tyres on supported Traxxas Slash 4x4 models to lower the centre of gravity and deliver a steadier feel when running fast. The package blends rally-oriented damping with tyre geometry that limits body roll on flat and mixed tracks.
The shock bodies increase cylinder diameter to 13.8mm and fit a 4mm shock shaft; coil springs are marginally longer than the baseline. Those changes increase internal oil capacity and extend spring seating choices, improving mid-speed compliance and giving more consistent rebound over small surface imperfections.
Included parts let you tune ride height and preload: 4mm and 5mm aluminium shims, hex converters, lock nuts, Delrin collars and stainless button-head screws for assembly. Use the 12-17 hex converters to match your existing wheel hex pattern and the shims to set the starter preload level.
Installation guidance: suited to hobbyists with basic suspension service skills; confirm thread engagement when swapping screws and re-check wheel alignment after installation. For setup, try two 4mm shims front and rear as a baseline, then tweak preload and oil weight to dial in the balance for your circuit.
This aftermarket kit concentrates on lowering roll centre and improving damping consistency for Slash 4x4 platforms; use the supplied shims and collars to fine-tune preload and track behaviour before intensive running.
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