4 Piston Valve Spring Height Micrometer Mitsubishi (Evo 8/9) Compstar crankshafts begin their life

Compstar crankshafts begin their life overseas where they are forged using Callies owned dies

We bring decades of experience in perfecting Honda oiling systems as seen with our world renowned K20 and B-Series oil systems that have allowed racers to maintain oil pressure to beyond 12

Note: These valves are for D16Z6

A stock chain guide cannot handle the rpm

Wiseco  Pistons - Wiseco Armor Plated Piston up to 86mm bore

4 Piston Valve Spring Height Micrometer Mitsubishi (Evo 8/9) Compstar crankshafts begin their lifeThe 4P valve spring micrometer is used between the seat base in the head and the retainer to get a quick and accurate measurement of your valve spring installed height. This tool is sized so that it can be used in a variety of applications including the tight constraints of Honda B, H, and K series engines, as well as most overhead cam engines. These high quality tools have a fine thread pitch for great accuracy and are easy to use with convenient