Description The ST-45 steering box features 12.7.1 ratio for 1964-77 A-body cars and 1970-78 Camaro and Firebird. 12.7:1 Power Steering Box for A-Body, Camaro, and Firebird Models Experience the difference in handling and control with our 12.7:1 Power Steering Box, specifically crafted for A-body vehicles from 1964 to 1977, as well as the iconic 1970-78 Camaro and Firebird. Each steering box is manufactured with the utmost attention to quality, ensuring durability and performance that you can rely on. Our commitment to customer satisfaction means that our dedicated support team is always just a call or message away, ready to assist you with any questions or concerns. To make your installation process as smooth as possible, we provide comprehensive instruction sheets and detailed video tutorials, guiding you through each step. Whether you’re restoring a classic or enhancing your ride, explore our full range of Car Steering Components, or dive deeper into our Skylark Steering Components and Skylark steering parts for more options tailored to your needs.