Fits GM LS Engines with 1/4in Wide Flange 1984-pontiac-firebird-esi1382254 The head of the light

The head of the light features an O-ring sealed tempered glass lens

If a vehicle is lowered or lifted beyond a certain point

it reduces wheel hop

The hardware supplied makes this set-up a 100% bolt in and will require no drilling

billet aluminum vertical links (TCA046) are CNC-machined from 6061-T6 billet aluminum

Fits GM LS Engines with 1/4in Wide Flange 1984-pontiac-firebird-esi1382254 The head of the lightEach PROFORM 12. 9 Steel (equiv. Grade 8+) Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft lbs, the washers super hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self locked in this manner, any bolt loosening rotation is blocked by a wedge locking action created by the washers interfacing, matching cams. It's an uphill climb: