Want installation tips for parts you've purchased with 5X Racing? Need a walkthrough for adjusting your 5XR Adjustable Fuel Pressure Regulator? How about tips on set-ups and advice? This is our archive for Technical Information. If you have a question or a request for detailed instructions, please Contact Us and we'll see what we can do for you. If we think your answer will help out our customers we'll add it to the Technical Archive on this page. We add information periodically so keep posted for the latest additions.