{"product_id":"moog-cs578-coil-spring-set-front","title":"Moog CS578 Coil Spring Set - Front","description":"\u003ch2\u003eMoog CS578 Coil Spring Set Overview\u003c\/h2\u003e\u003cp\u003eThe Moog CS578 coil spring set is engineered to restore suspension performance for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with precise dimensions and a durable black finish, this coil spring set offers reliable support and consistent ride height for models like the Caprice, Impala, and DeVille.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWire diameter: 0.7 inches (17.86 mm) for strength and durability\u003c\/li\u003e\n\u003cli\u003eSpring color: Black powder-coated finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eFront and rear spring outside diameter: 5.480 inches\u003c\/li\u003e\n\u003cli\u003eFree height (relaxed length): 17.5 inches (444.5 mm)\u003c\/li\u003e\n\u003cli\u003eSpring rate: 357 lbs per inch for balanced ride and handling\u003c\/li\u003e\n\u003cli\u003eEnd types: Squared and tangential for proper fitment and seating\u003c\/li\u003e\n\u003cli\u003eInner diameter: 4.08 inches (103.63 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Moog CS578 coil spring set is designed to meet the exact specifications required for suspension restoration on a range of classic and late-model GM vehicles. With a wire diameter of 0.7 inches and a spring rate of 357 lbs per inch, these springs provide the necessary stiffness to maintain proper ride height and suspension geometry under load. The black finish helps protect against rust and wear, extending the service life of the springs. Both front and rear springs share identical dimensions, including a free height of 17.5 inches and an outside diameter of 5.480 inches, ensuring consistent performance across the suspension system. The squared and tangential end types allow for secure mounting and compatibility with OE spring seats.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick models such as LeSabre, Riviera, and Electra\u003c\/li\u003e\n\u003cli\u003eCadillac models including DeVille, Fleetwood, and Seville\u003c\/li\u003e\n\u003cli\u003eChevrolet models like Caprice, Impala, and Malibu\u003c\/li\u003e\n\u003cli\u003eOldsmobile models including Cutlass, Delta 88, and 88\u003c\/li\u003e\n\u003cli\u003ePontiac models such as Grand Am, Grand LeMans, and Starfire\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Suspension Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSagging or uneven ride height due to worn springs\u003c\/li\u003e\n\u003cli\u003eReduced handling stability and poor suspension response\u003c\/li\u003e\n\u003cli\u003eExcessive body roll during cornering\u003c\/li\u003e\n\u003cli\u003eNoise or vibration caused by weakened coil springs\u003c\/li\u003e\n\u003cli\u003eRestoring original suspension geometry after component replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Moog CS578 coil spring set, ensure the vehicle is securely lifted and supported. Use appropriate spring compressors to safely remove and install coil springs. Verify that the squared and tangential ends seat properly in the spring mounts to avoid misalignment. It is recommended to inspect related suspension components such as shocks and bushings during installation for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eMoog coil springs are manufactured to meet or exceed OEM specifications, providing consistent performance and durability. While specific warranty details for part number CS578 are not provided, Moog products typically come with a limited warranty against defects in materials and workmanship. Refer to Moog’s official documentation for complete warranty information.\u003c\/p\u003e","brand":"Moog","offers":[{"title":"Default Title","offer_id":52022149644469,"sku":"BCCH-CS578","price":223.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/MC_CS578_Ang.jpg?v=1775075318","url":"https:\/\/www.partcatalog.com\/products\/moog-cs578-coil-spring-set-front","provider":"PartCatalog","version":"1.0","type":"link"}