NOS DirectPort Injection: How direct port nitrous oxide injection works

NOS, the brand you've trusted to deliver high quality nitrous oxide systems is still developing technologies that make using this power adder easier than ever. Their new "Mini 2-stage Progressive Controller" has all of the functionality you would expect from other models, without the high price tag! Click here to learn about your next nitrous controller!
Read More

There’s no quicker way to add big power to your engine than nitrous. However, NOS offers a few ways to do the job. In this video, we take a look at both wet and dry nitrous systems, nozzle injection angles, and all of the nozzle styles and materials available.
Read More

Holley's Ultra XP 4150 is more than just a regular four-barrel. It's a very trick carburetor that is designed for the racers and the hardcore gearheads. With well-engineered design details and several features that have been asked for, the Ultra XP is a solid option for your air/fuel delivery needs.
Read More

It's easy to change camshafts in an LS engine...in fact, in the "How To Build A High-Horsepower LS Engine" recipe book, it's pretty much required. Here's what it takes to complete the task so that you get the benefits of a different camshaft...and that nice, choppy idle too!
Read More