The Yokomo YAS-675 serves as a front shock spring aimed at synthetic racing surfaces like carpet and astro turf. Its big-bore profile and reduced free length let you run lower ride heights while maintaining controlled impact absorption and avoiding common edge catches on turf.
In track usage the spring smooths landing forces and lowers the risk of sudden corner grabs that can unsettle the car, leading to a more stable, predictable front end without swapping shock bodies or mounts.
Installation and tuning tips: install the YAS-675 where big-bore springs are accepted, then match damping and preload to the circuit. Since total stroke is reduced, recheck ride height after mounting and tweak pistons or collars to keep the intended suspension travel and steering feel.
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