The Throttle Trigger Rod Lever Arm Spring Kit for Stihl 017 018 MS170 MS180 Chainsaws is a must-have upgrade for any enthusiast looking to enhance their chainsaw performance. This kit replaces the worn-out spring with a high-performance replacement, ensuring a smoother, quicker throttle response. The new lever arm ensures a precise and accurate trigger pull, even in adverse weather conditions. The kit is designed to fit perfectly with the Stihl model number, providing a perfect match and reducing the chance of misalignment. The top-quality materials and meticulous design make this kit a top choice for anyone looking to upgrade their chainsaw's performance and reliability. With the Throttle Trigger Rod Lever Arm Spring Kit, you can experience the power and precision of your chainsaw all year round.