The RV4 fifth wheel to gooseneck adapter is designed for flatbed trucks and has a 9" off-set. The off-set gives you more truck bed clearance to the trailer and allow shorter turns. It has 7-1/2 inches of fixed height. measure from the king pin plate (the plate your king pin comes out of your 5th wheel trailer) to the top of your gooseneck ball.
Fits standard king-pin box. Self-latching GN8 2-5/16" "V-19" rated coupler. Powder coated finish.
The RV4 is designed for use with flatbed pickup trucks. The do not offer enough clearance over the pickup bed sides on a standard pickup bed.