Swift Springs SWI950-550-450 Spring Conventional 9.5 x 5.5 x 450lbs

Swift Springs SWI950-550-450 Spring Conventional 9.5 x 5.5 x 450lbs is listed by Motorstate as a Coil Springs for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Swift Springs components in the Coil Springs category. The manufacturer part reference is 950-550-450, while the Motorstate part number is SWI950-550-450. Catalog description context: Coil Spring - Conventional - 5.5 in OD - 9.5 in Length - 450 lb/in Spring Rate - Steel - Black Powder Coat - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.