Earlier today the NHRA Technical Department released the 2012 Hot Rod Heritage Racing Series Rules Supplement Amendments  These amendments document the rule changes that will come into effect beginning January 6, 2012. The 2012 Hot Rod Racing Series Rules Supplement Amendments can be accessed by navigating to the TECH, Rules, 2012 Hot Rod Heritage Racing Series Rules Supplement Amendments or by visiting the nhrahotrodheritage.com site and navigating to Rules, 2012 Hot Rod Heritage Racing Series Rules Supplement Amendments. The entire 2012 Hot Rod Heritage Racing Series Rules Supplement with these amendments included will be available online in February at NHRAracer.com and nhrahotrodheritage.com.