shovelbill
Oh, the horror...
here is a gent running the HIR bulbs in all 4 holes, no glare caps.....with beam shots......you be the judge.
http://www.gmt400.com/threads/96-c3500-cclb-lowered-454-dually-project.27917/page-17
http://www.gmt400.com/threads/96-c3500-cclb-lowered-454-dually-project.27917/page-17