Enhance your RC vehicle’s suspension with the 8445 Rear Shock Spring, 139mm. Featuring a natural finish and progressive 1.042 rate, this spring provides smooth and controlled damping for improved handling and stability on rough terrain and high-speed runs. Made from durable materials, it maintains consistent performance and long-lasting reliability. Compatible with GTR Traxxas models, the 8445 Rear Shock Spring is perfect for replacing worn springs or upgrading your suspension for a smoother, more responsive ride.