Save weight and transform the look of your car, buggy or truck with these HPI anodized Aluminum Lock Nuts! Choose from M4 or M5 sizes, both available in silver, orange or purple colors.

Aluminum is about 70% the weight of steel, so you can drop a lot of weight off any car or truck just by outfitting it with these HPI Aluminum Lock Nuts! Sold in packs of 10.

M4 lock nuts
#Z866 ALUMINUM LOCK NUT M4 (SILVER/10pcs)
#Z867 ALUMINUM LOCK NUT M4 (PURPLE/10pcs)
#Z868 ALUMINUM LOCK NUT M4 (ORANGE/10pcs)

M5 lock nuts
#95862 ALUMINUM LOCK NUT M5 (SILVER/10pcs)
#95863 ALUMINUM LOCK NUT M5 (PURPLE/10pcs)
#95864 ALUMINUM LOCK NUT M5 (ORANGE/10pcs)