The SG 1 by Metro Moulded Parts is a standout GM Shift Linkage Grommet, designed to fit 5/16" I.D. and 11/16" O.D. models. Known also as the GM shift assist grommet or linkage bushing, this product ensures seamless compatibility and performance. Crafted with high-quality rubber compounds, it boasts outstanding resistance to sunlight, ozone, and chemicals, making it incredibly durable and reliable in any condition. The precision design features distinctive grooves for enhanced grip and secure fitting, allowing drivers to experience smoother gear transitions without the hassle. Installation is straightforward, allowing even those new to vehicle maintenance to replace their old grommet with ease. Simply follow the included guidelines to position and secure your SG 1 seamlessly. The USA-made craftsmanship guarantees robust performance, seamlessly integrating functionality with form. Bolstering style and reliable performance, the SG 1 promises durability and effectiveness for years to come. Make the smart choice for your vehicle s linkage system today and drive without worries. With Metro s industry-leading platinum 30-year warranty, your satisfaction is guaranteed, ensuring peace of mind for the long haul. Embrace quality with our "No Hassle" guarantee!