Have you called a vendor about this? I talked to ...ok I can't remember his name, but it was national 4wd.com located
803 - 46 Avenue South East
Monday - Friday 9:00 a.m. - 6:00 p.m.
Saturday 9:00 a.m. - 2:00 p.m.(Winter hours)
Email: [email protected]
N51 00.40 W 114 02.45
He had some really good info on racks Gobi and others.
northridge4x4.ca was good and they're in Ponoka too.
Also, so far every vendor I have contacted through JKO has been extremely helpful.