No. The YIKONG YK4107 RC Car Parts Rear Upper Linkage (21086) features a fixed 83mm length and is engineered to match the factory mounting points on the YIKONG YK4107 RC Car and YK4107 Pro. Simply install it in the correct orientation without making any length adjustments.
After installation, verify that both rod ends move smoothly, the rear axle remains centered, and all mounting screws are securely tightened. Performing these checks will help your YIKONG YK4107 RC Car maintain stable suspension geometry and reliable off-road performance.
