CURT Replacement Silverado, Sierra 2500, 3500, Ford F250, F350 Puck System 5th Wheel Adapter with Standard Rails, 25,000 lbs Model 16027CURT Replacement Silverado, Sierra 2500, 3500, Ford F250, F350 Puck System 5th Wheel Adapter with Standard Rails, 25,000 lbs Model 16027 The CURT OEM puck system 5th wheel adapter for Chevy, Ford and GMC pickups combines the functionality of CURT 5th wheel puck system products with the strength and convenience of the truck bed puck system. The adapter provides a set of industry standard 5th wheel rails to securely mount a CURT 5th wheel hitch or