KOULtools LLC was formed in 2005 in Lake Havasu City, AZ

Wilson Manifolds, there is no compromise in engineering or manufacturing

Injector Dynamics brings dynamic injector technology to the public.

Powertrain Control Solutions - Engineering the future of driveline control

Inglése – celebrating more than 30 years of affordable exotic induction! 

Horsepower Connection, home to one of the best Fuel Injection Specialists!

Edelbrock uses the finest equipment for machining and quality control.

Specializing in custom design/production of embedded control systems.

Rootz EFI provides a reliable turn key fuel injection system

PLX Devices Inc. - consumer electronics industry.

Haltech engine management systems are designed to be as universal as possible

Racepak - loggers, software, gauges for gathering data. 

ACCEL - Ignition products for the automotive performance industry.

FAST™ - advanced electronic fuel injection technology.

MagnaFuel's high-performance fuel systems

Holley® - manufacturers of fuel systems of all shapes and sizes since 1903.

Manufacturers of high performance, aftermarket turbochargers

BigStuff3 - manufacturers of aftermarket engine and power train controllers.

MSD Ignition products are the finest ignition components you can install!