I have two extra sets of lowrider flat parts from my waterjet guy, they are 6061 t6 aluminum. the side plates are 1/2 inch and the 611 plate is 1/4 inch. i can supply them with just waterjet holes that you finish or i can finish them out to size and tumble the parts.
I am Asking 150$ a set for unfinished
175$ a set finished and tumbled.
I can offer these anodized at an additional cost.
contact me at email@example.com