CTA Tools 2234   Small Engine Valve Spring Compressor Fits Most OHV and L-Head Automotive Engines Works on Valves as Short as 3.5-Inch (89-Millimeter) and Valve Spring Retainers Down to 7/8-Inch (22-Millimeter) in Diameter Compressor is 7-Inch (18-Centimeter) at the Opening and 5-Inch (13-Centimeter) in Depth Rack and Pinion Design Compresses Valve Springs Easily Includes Both, Offset and Straight Adjusting Jaws