Cylinder Base gasket for 4R 4RR 24-25 This gasket is designed to fit cylinder base applications for models 4R 4RR from model years 24 to 25.It ensures a secure seal between the cylinder and engine block, helping maintain proper compression and engine performance.The gasket is constructed to meet specifications for dimensional accuracy and durability.Proper installation is recommended during engine maintenance or rebuilds where cylinder removal is required. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.