XB LED Side Markers: GMC Sierra HD (2014+/Set) Chrysler Compatibility: The EP27 FlashPack Relays

Compatibility: The EP27 FlashPack Relays are designed to fit many GM and Ford vehicles - however

these fog lights feature a durable polycarbonate lens and a lightweight

These headlights also feature a sequential LED turn signal

194 LED Bulb HP5 LED Cool White Short Single

This HID anti-flicker capacitor basically translates irregular "on/off" signals to constant "on" signals

XB LED Side Markers: GMC Sierra HD (2014+/Set) Chrysler Compatibility: The EP27 FlashPack RelaysDONE RIGHT: These should make you second guess simply adding LED bulbs to your stock housings. The XB LED Sidemarkers from Morimoto look amazing. Are well built. Have a virtually infinite life span. An unbeatable warranty, and out perform other options.. Easily making these the best Silverado HD or Sierra HD LED side markers on the market today. BRIGHTER: You have already done an LED upgrade to the headlights, the fog lights, and the tail lights on