Re: anyone upgrade their headlight on a 91 blazer k5?
Yes, I put a set of Hella H4 E code headlights in mine. I also added relays to the wiring. Huge difference in light output but not cheap. The stock headlights are absolutely pathetic.
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1990 ¾ ton 4x4 Chevy Suburban
-Cummins Diesel - 12 valve - factory rebuilt
-6 speed bullet proof manual transmission - NV5600
-Gear Vendors Overdrive - HX35 Holset Turbo
-NP205 iron transfer case
-3.73 gears -2" Lift
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