Application: Porsche® 928 78-84 K-Jetronic (CIS) and L-Jetronic
Made by Stahlwille in Germany, this is the OEM tool to adjust the air/fuel ratio (also referred to as CO in the manual) on the 928. The Deluxe tool has a built-in precision swivel to allow you to tune the CIS air-fuel ratio on your 928 with the airbox in place.
A must-have if you are going to get serious about performance-tuning your Porsche!
