Features and Benefits:
* Designed to compress valve springs on overhead valve engines
* Includes two valve spring adapters, which fit valve spring retainers up to 1-inch (25mm) and 1-3/16-inch (30mm)
* Unique, direct action compressor lever gives better visibility of valve spring retainers located in difficult access areas
Jaw opening (A) of 1-3/8-inch to 5-5/8-inch (35mm to 142mm); throat clearance of 5-7/8-inch (150mm).