503 Diesel Performance & Auto Repair

Justin Baker's '92 Ford F250 with a 5.9L Cummins Engine

Michelle and Rick Marshall's '95 Chevy with a 5.9L Cummins engine, custom fabricated by 503 Diesel.

Michelle Marshall's '03 Dodge Cummins

Nikki Isaacs' '05 Chevy Duramax on the dyno at the Preble County Smokeout

Samantha Burke's '94 Dodge Cummins

Tony Rainwater's '06 Dodge Cummins

Rick & Michelle Marshall's '95 Chevy with a 5.9L Cummins

Michelle and Rick Marshall's '95 Chevy from start to finish. Well worth all of the effort.

5.9L Cummins engine that was customized to fit a '95 Chevy truck

Working on swapping the 5.9L Cummins into the '95 Chevy

Cole Gunder's '02 Chevy Duramax

Cole Gunder's '02 Chevy Duramax