All GM coils are hand crafted in Canada with high quality wire from Twisted Messes and Kidney Puncher. The coils are wrapped using coils-masters coils jig, so that each coil is tightly wrapped and consistent with one another. Once the coils are finished being made, they then take a bath in an ultrasonic cleaner in large batches to remove any possible contaminants.

All coils come in a package of two(2).