Fit For Stihl FS350 FS400 FS450 FS480 Chain Saw Fine-Tuning Gearbox Gearbox Gearbox Head Housing. Boasts exceptional structural rigidity, ensuring stable power transmission under high loads. Lightweight aluminum alloy construction reduces overall vehicle weight, boosting fuel efficiency. With a hassle‑free cleanable finish, it cuts maintenance time and retains a polished engine‑bay look. Built with vibration‑absorbing features, it protects internal gears from harm caused by abrupt shocks and jerks., Manufacturer: GKLZIUKI