1、Fitment: Overhead valve spring compressor is convenient for removing valve springs or replacing valve stem seals on many cars, trucks and light trucks. 2、Multipurpose: Valve spring compressor is very suitable for installed cylinder heads, especially vehicles with narrow underhood gaps, can also be used for bench work. 3、Spring Jaws: The spring jaws of the overhead valve spring compressor can easily clamp and compress the valve spring, making it easier for you to operate. 4、Stable in Use: The leg is designed with a built in offset to compensate for the spring, keeping the tool vertical and stable during use. 5、2 Spring Adapter: Two spring adapters fit valve spring retainers up to 1‑13/16in (4.6cm) in diameter, 1‑3/8 (3.49cm) to 5‑5/8in (14.29cm) jaw opening, 5‑7/8in (14.92cm) throat clearance. Item Type: Overhead Valve Spring Compressor Material: Metal Fitment: Universal 1 x Overhead Valve Spring Compressor