DFC Diesel remanufactures Cummins, Powerstroke and Duramax diesel engines. They back their craftsmanship with a 5 year 160,000 km (100,000 mi) warranty that they stand behind.

Based out of the UK, Celtic Tuning are specialists in the development of engine management software. Employing a specialist team of graduate level software developers, Celtic Tuning software development is carried out in house using state of the art facilities which very few companies can rival.

MagnaFlow got its start as a natural extension of Car Sound Exhaust systems. Their parent company specializes in superior catalytic converter technology and has spent the last 30 years earning its reputation as a market leader around the world. If you’re looking for quality, power and sound, then you’re looking for MagnaFlow.

SCT Performance manufactures handheld automotive performance & fuel economy programmers and Custom Tuning Software for Ford, General Motors and Dodge / Chrysler vehicles.

Full Force Diesel has become a leader in the 7.3L & 6.0L Powerstroke injector industry. Rebuilding injectors for the powerstroke diesel that deliver outstanding performance and superior quality. Full Force Diesel offers a wide range of options from Stock Replacement to all out High Performance injectors.

ARP’s product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications.

In a rapidly-evolving world demanding ever lower emissions and greater efficiency, Stanadyne is leading the way with innovative solutions for the most complex challenges facing fuel systems. Across automotive, construction, agriculture and other industries, they are always moving technology forward to deliver best-in-class performance and enable engines to be cleaner, more efficient, and more powerful.

Gearhead strives to offer the best in diesel tuning products that produce both the maximum available power and fuel economy as well as the lowest smoke (particulate) output.

Since its founding in 1998, Bully Dog has been known for innovation and creativity among truck owners and enthusiasts. From new vehicle support, to switch-on-the-fly power levels, to big rig power and economy tuning, Bully Dog offers unrivaled solutions to truck drivers the world over.