Fit for aftermarket coilovers with perch outer diameter of 3-7/8 inches. Compatible with many aftermarket adjustable coilovers.Tested on multiple aftermarket brands. Features: Made with hardened heat treated steel for strength and durability. Oversized front hook to prevent slipping and wear. Powder coated to resist rust. Laser cut for accuracy and. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.