Heat Treated Knuckle Gussets
3-1/2" Housing

Strengthen your inner Ultimate Knuckles with our Knuckle Gussets. These laser cut, CNC formed, 4130 gussets provides superior strength without compromising weight.

These gussets are designed specifically for 3-1/2" Spider 9 Housings running Ultimate Knuckles. These gussets are heat treated. Spidertrax recommends the heat treated option for all rock racing and competition based applications.

TRSG312H