The RVGC-A is the adjustable 5th wheel king pin box version which gives 4 inches of adjustment by the trailer coupler. Added to the 3 inches the manufacturers have provided, it gives a total of 7 inches of adjustment.
King Pin Box Fit Information Form - Note: Must complete this form subsequent to checkout before order will be processed.
King Pin box Identification Guide & fit Chart
If your king pin box is not listed above we may be able to manufacture one for you for the same price with a two week lead time.
Please email with your requirements.