Item specifications:Shock/Strut Upper Mount Type: StudShock/Strut Lower Mount Type: Eyelet with BracketShock/Strut Upper Mount Material: Cast AluminumShock/Strut Stamped Metal Bracket Count: NoneShock/Strut Cast Metal Bracket: NoReplacing struts used to require specialized tools to compress, remove, and transfer the old spring and mount. Our Pre-assembled, complete strut & spring assemblies come with all new parts and make the job much quicker and easier for the do-it-yourself mechanic. Strut & spring assembly contains: Upper Strut Mount Strut Bearing Coil Spring Boot & Bumper Kit Gas-charged Strut Install Tip: To keep your vehicle operating safely and as designed: Replace your shocks & struts in pairs. This will avoid mixing parts (old and new or brands). Mixing parts can cause variations in movement between the vehicle’s body and wheel, resulting in handling irregularities. Have an alignment performed after replacing your shocks and struts this will ensure proper tracking and protect your vehicle’s tires from premature wear. Compatible with: 2003-07 Cadillac CTS with RPO Code FE1 (Soft Ride Suspension) Front Driver Side