Swift Springs SWI180-350-100BP Coilover Spring 18in x 3.5in x 100lb

Swift Springs SWI180-350-100BP Coilover Spring 18in x 3.5in x 100lb 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 180-350-100 BP, while the Motorstate part number is SWI180-350-100BP. Catalog description context: Coil Spring - Bulletproof - Coil-Over - 3.5 in ID - 18 in Length - 100 lb/in Spring Rate - Steel - Copper Powder Coat - Each. No vehicle compatibility is stated here unless it is present in separate fitment data.