The PullRite #4452 20K OE Series Rail Adapter for Chevy/GMC Trucks allows you to install your industry standard type 5th wheel hitch into a puck-mounted system. Centered-over-axle hitch provides a better tow and better handling. This OE series adapter breaks down into 4 individual pieces, uses 4 independent mounting posts, and requires no tools for installation and removal. SAE J2638 tested. Made in the USA.• Kit includes adapter rails and hardware• Fits any PullRite ISR Series Industry Standard hitch• Fully removable for a clean bed• Breaks down into modular pieces• No tools required• Mounts hitch centered-on-axle• Capacity: 20, 000 lbs. max trailer weight• Pin Weight Capacity: 5, 000 lbs. max vertical weight• Fits 2020 Chevy/GMC 2500HD and 3500HD with OEM 5th Wheel Prep Package Breaks down into modular pieces No tools required for installation 20, 000 lbs. max trailer weight / 5, 000 lbs. max pin weight | Pull Rite #4452 20K Industry Standard to OE Puck Rail Adapter for 2020 Chevy/GMC Trucks with Pucks Made in USA