Heavy Duty Shocks - Increases Your 78'' Trailer Load Rating To 300lbs

Accessories for the rack and roll?? 66 & 78. Ordered upon request. Heavy duty shocks: recommended when using 1-2 cargo boxes to restore your load rating to 250lbs. Increases your 78'' trailer load rating to 300lbs. (with no cargo boxes). Note: do not carry over 250 lbs. On the 66'' crossbars even with heavy duty shocks.