Compatible with Troy-Bilt models 21C-65M1011 and 21C-65M1066. Designed for optimal performance in Super Bronco CRT tillers. High-quality construction for durability and reliability. Easy installation for hassle-free setup. Improves engine efficiency and fuel economy. Precision-engineered for a perfect fit and function. Lightweight design for easy handling. Ensures smooth operation and enhanced tilling performance.