Exhaust Spring, D. 13mm, L. 42mm Reliable Replacement Exhaust Spring for Rotax, KA, and VLR This Exhaust Spring, with a diameter of 13mm and length of 42mm, is a perfect replacement for your Rotax, KA, and VLR go kart exhaust springs. Designed for durability and a secure fit, it ensures your exhaust stays firmly in place during racing. Key Features: Perfect Replacement: Ideal for Rotax, KA, and VLR exhaust systems, offering a precise fit. Durable Construction: Built to last, providing reliable performance under the stresses of racing. Secure Attachment: Ensures your exhaust remains securely attached for consistent performance. Upgrade your go kart with this reliable replacement Exhaust Spring, designed to meet the demands of high-performance racing.