Ball Joint Grease Cap For Aston Martin DB4 1960-1963, DB5 1963-65 7/8" ID; BL 6Designed for the classic Aston Martin DB4, DB5, and DB6 cars from 1960 to 1967, this ball joint grease cap is crafted from durable neoprene and measures 2 3 8" in outer diameter at the base with a 7 8" inner diameter hole at the top. Engineered to improve upon the original design, it offers enhanced tear resistance and is built to withstand scuffs, chemicals, and water, ensuring long lasting performance. This cap fits snugly over the ball joint,