BRAKE CALIPER SPRAY NEON
Brake caliper spray paint neon 1K.
These colors must be applied over a white primer to work at the best.
If direct applied over metal they work perfectly but just in case of neon the neon paint don't show the maximum color effect, so better apply them over a white primer.
Suggest number of neon paint spray for 4 brake caliper is 1 primer white plus 1 or 2 neon spray cans, number of neon cans depend upon the brake caliper size.