RAM / Cummins
Cummins
Injector work, turbo service, emissions, and preventive maintenance for Cummins diesels.
Springfield, MO · Diesel bay
Cummins, Powerstroke, and Duramax repair and performance — plus Class 8, construction, and ag. Request bay time or open the parts desk.
Platforms
Three clear pathways into the bay — service request and catalog links for each.
RAM / Cummins
Injector work, turbo service, emissions, and preventive maintenance for Cummins diesels.
Ford
Fuel system service, turbo repair, cooling, and emissions maintenance for Power Stroke trucks.
GM
Fuel system repair, turbo service, and emissions work for Duramax trucks.
APR transmissions
Maintenance, repair, and upgrades stay in the Springfield bay — not boxed up and shipped out. APR shifters and related parts are on the parts desk when you need them.
Bay work





Parts desk
Curated hardware from the live catalog — then open the full desk for apparel and hats.
In the bay
Photos from the LaunchTest shop and catalog.




What rolls in
The shop
Founded in 2015 for dependable diesel builds, repairs, and maintenance. The crew brings 30 years of combined experience — routine service through major work.
About & FAQ
Call or text during shop hours. Mon–Fri 7:30 AM–5:30 PM Eastern.