Did you know one of the quietest places in the Midwest U.S. is one of our product testing facilities? 🤫 It's our Hemi Anechoic Chamber — where our engineers are hard at work testing machine sound levels. | Caterpillar

GREAT NEWS! Gen III HEMI Cam packages now available! HRT™ Performance Camshaft Packages take the guesswork out of choosing the best valve train upgrade for your specific engine and desired performance. The Low Shock Technology behind these performance packages features lobe profiles designed to maximize horsepower, while improving stability at higher RPM. These profiles are also easier on the valve springs, enhancing durability and reducing load loss. By Spintron® and dyno testing these new prof

Holley’s Gen III Hemi swap systems are the perfect solution to easily install a modern hemi engine into any 1997-2004 Dodge Dakota chassis. The available parts cover engine and transmission mounting, exhaust, drivetrain, fuel system, front accessory drives, and even engine management. The beauty of these swap systems is that all of the components are designed to work together for a seamless install and factory-like fit! Learn more: https://www.holley.com/products/engine_swap_parts/hemi_swap_syst