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Air/Fuel Adjustment Tool for the Porsche® 928

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.

A must-have if you are going to get serious about performance-tuning your Porsche®!


Part Number

Price (USD)



Standard Air/Fuel Adjustment Tool for the Porsche® 928




Ships in 1 Week or Less

* Domestic US shipping shown. International shipping will be calculated based on location.


Phone: (920) 485-0928
Email: info@928motorsports.com

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928Motorsports.com - Performance Parts for your Porsche® 928