An ultra-high-performance engine, whether in a NASCAR, a Pro Stocker, or even a heavy-duty street machine, needs an incredible amount of fuel to do what it's supposed to do at high speeds.

Fuel-pressure regulators are fuel-pressure regulators are fuel-pressure regulators, right? Wrong! While they all accomplish the same purpose, there is a big range when it comes to price, material, ...

When in-tank electric fuel pumps first arrived on the aftermarket scene they were viewed with a certain amount of skepticism. Granted, they offered several advantages—submerged in fuel the pumps ...

If you are experiencing carburetor issues where the engine seems to run richer than it should, you might want to look at the fuel pressure. Most engines are not equipped with a pressure gauge, but it ...

Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

Today's high-performance engines are able to deliver horsepower numbers unheard of 10 years ago. With better-flowing cylinder heads, ignition systems, and camshaft profiles, the potential for huge ...

For Harley 01-07 EFI softail, and 02-07 road king, road glide, electric glide, fat boy Replaces Harley replace OEM# 27408-01 ...