615 616 617 Diesel Valve Adjusting Wrench Kit - Designed by Kent Bergsma - Made in the U.S.A.
For adjustable valve clearances on 190D 200D 220D 240D 300D 300CD 300TD 300SD 1961 to 1985. Written instruction booklet included.
When dealing with D-Jetronic, you need a good understanding of how it works. Without that knowledge, you will have a very hard time troubleshooting problems that show up - and there will be problems.