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*Replacement shackles for the 103SH Kit.*Raises rear end ride height by one inch. With These shackles, you wouldnt need to modify the leaf spring to get that extra clearance. This makes the process quicker and easier.Rubber and polyurethane will allow the rear portion of the leaf to walk laterally. If the front bushing is solid mounted, the length of the leaf becomes a long torque arm reacting on the forward mounting point. It is trying to rip the mount out of the car. The solution is to use a Del-A-Lum shackle kit and remove the problem.The Del-a-lum bushings do not allow the leaf spring to move laterally, removing the torque effect of the leaf. They also allow a choice of preloading the bushing for decreasing leaf spring movement or running no preload and increasing leaf spring movement.Del-A-Lum Shackle Kits: A bushing that works like a bearing!Del-A-Lum bushings are perfect for street, drag and autocross applications. Installation requires the bushing housings to be pressed into the frame and the leaf spring eyelets. Inserts and thrust washers separate the housings and springs from metal-to-metal contact and provide total isolation.The inserts and thrust washers also provide a bearing surface for the bushing. This design makes the bushings operate similarly to a bearing. Grease fittings are installed and the housing is grooved internally for grease penetration. Del-A-Lum bushings also provide lateral control of the leaf springs.Experience Unmatched Performance with 1967-1981 GM F-Body and 1968-1974 Nova One Inch Longer ShackleAt Global West, we are committed to delivering top-tier performance and quality with our 1967-1981 GM F-Body and 1968-1974 Nova One Inch Longer Shackle. This product is meticulously designed to enhance your vehicles suspension system, providing an increased rear end ride height by one inch without the need for leaf spring modification. Our Del-A-Lum bushings, a key feature of this product, work like a bearing, offering perfect isolation and lateral control of the leaf springs. This makes them ideal for street, drag, and autocross applications.We understand that installing new components can be daunting, which is why we provide comprehensiveinstallation instructionsand video tutorials to guide you through the process. Our dedicated customer support team is also on hand to assist you with any queries or issues you may encounter.With Global West, youre not just purchasing a product; youre investing in a solution thats backed by four decades of expertise in the automotive industry. We take pride in our commitment to solving specific suspension problems without creating new ones, ensuring that every component we manufacture is of the highest quality and compatible with your vehicles existing suspension.Explore more options for your vehicle in ourChevrolet Parts Onlinecategory. If you own a Nova, dont miss our1968-74 Nova Partsand1968-74 Nova Suspensioncategories for more high-quality suspension components.