For 8 and 6 cylinder Black Jack Pro Series (exc. Toyota) (AD3004)
Fits the following Aces Distributors: AD2011, AD2012, AD2013, AD2015, AD2016, AD2017, AD2019, AD2020, AD2021, AD2022, AD2027

For Toyota 6 cylinder Black Jack Pro Series (AD3008)
Fits the following Aces Distributors: AD2029

For 8 cylinder Ford Gambler Series Hall Effect (AD3010)
Fits the following Aces Distributors: AD2024 & AD2025

For 8 cylinder Chevy Gambler Series Hall Effect (AD3011)
Fits the following Aces Distributors: AD2023