CURT A25 5TH WHEEL HITCH ; REQUIRES RAILS & CUSTOM BRACKETS Cast yoke with poly-torsion inserts to suppress shock loads and reduce noise Fully articulating torsion head for controlled coupling and stable towing Lockable handle self-resets to the ready-to-couple position after uncoupling Constructed with a cast steel main body for a more precise build High-strength, interlocking cast jaws fully wrap the kingpin to minimize noise Extra wide head opening for easier coupling Fast, one-pin head removal makes moving easy with smaller, lighter pieces Alignment pegs and easy-access bolts for simple leg-to-body attachment Three-position coupling indicator clearly shows coupling status Compatible with kingpin extension boxes, including common pivoting pin boxes Mounts to all industry-standard base rails Offers three height adjustment positions to adapt to each unique truck bed Includes a polyethylene lube plate to eliminate messy grease deposits|