Available for purchase at the link below.
gmpperformance.com/index.cfm?pg=detail&pid=286970
This vehicle was built by us a few years ago and the clinet allowed us to display it for our open house.
by gmp_performance ift.tt/1Kso1X2
These spacers are used on a car with a 57.1 Center bore, to install wheels that have a 66.6 Center bore without the use of centering rings.
www.gmpperformance.com/index.cfm?PG=detail&PID=232376