We’ve talked a lot recently about vapor lock.

You can learn what vapor lock is by reading this article. You can then find some cures for the root causes of vapor lock in this post by OnAllCylinders contributor and tech guru Jeff Smith.

In addition to the tips in Jeff’s articles, there are some extra precautions you can take to help prevent vapor lock. This includes insulating your fuel lines, fuel rail, and air intake from high ambient heat, which can cause your fuel to vaporize prematurely. Heatshield Products offers a few different solutions that provide good heat insulation, including its Thermaflect heat sleeves and Hot Rod heat sleeves.

Heatshield’s Hot Rod heat sleeves provide modern heat shield technology in a package that’s decidedly old school. While many heat barriers are reflective silver, Hot Rod heat sleeves have a muted black finish that’s ideal for classic hot rods. More importantly, Hot Rod sleeves are capable of withstanding continuous temperatures of 1,200 degrees F and intermittent temps as high as 2,000 degrees. That makes them an ideal choice to protect your fuel lines from ambient heat — and your fuel system from dreaded vapor lock!

Here are a few other things you should know about Heat Shield Hot Rod Sleeves:

  • Made from non-combustible fiberglass that will not burn
  • Special weave allows it to expand and contract over fittings
  • Made in the USA
  • Ideal for fuel lines, clutch cables, transmission lines, wire looms, coolant lines

In this video, you’ll get a closer look at Heatshield Hot Rod heat sleeves and learn how to install them on fuel lines for a custom build. Check it out:


Author: David Fuller

David Fuller is OnAllCylinders' managing editor. During his 20-year career in the auto industry, he has covered a variety of races, shows, and industry events and has authored articles for multiple magazines. He has also partnered with mainstream and trade publications on a wide range of editorial projects. In 2012, he helped establish OnAllCylinders, where he enjoys covering all facets of hot rodding and racing.