Making towing so smooth you may forget you're towing. The Pin Box System's advanced rubber shear springs works to absorb towing shock for more comfortable, stree-free ride.
Greatly reduced back and forth chucking and jerking
. Cushioned senation over uneven road conditions
. Jerk-free starts and stops
. Smoother, more comfortable in-cab ride

LIPPERT 1621, HD, SHD TRAILER GVWR 11,500 OR LESS M/R Base-03