GMC SIERRA (14-18): XB LED HEADLIGHTS DIELECTRIC GREASE (RECOMMENDED):NONE which is easy to do

which is easy to do with their integrated aiming adjusters

and FVMSS108 regulations

which in combination with the HXB LED optics produces a beam pattern capable of penetrating up to 800 meters into your future

they can also be setup to run as solid on/off style signals too

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GMC SIERRA (14-18): XB LED HEADLIGHTS DIELECTRIC GREASE (RECOMMENDED):NONE which is easy to doFACTS & FIGURES DESCRIPTION NO SUBSTITUTES: How is it possible that GMC built the Sierra with such old school headlights all the way up until the revision on the HD trucks in 2020? Thankfully the new Morimoto XB LED headlights: Look great. Are well built. Have a virtually infinite life span. An unbeatable warranty, and out perform the alternatives. These things are the ideal way to upgrade the performance, and facelift your Sierra's front end at the