HO Knuckle Spring Coupler for IHC/Rivarossi 6 Wheel RPO (2 Pair) (MCH54)

These HO-scale knuckle spring couplers are direct replacements for IHC and Rivarossi passenger cars, designed to fit 6-wheel RPO and baggage car trucks. The set includes two pairs for easy upgrading of compatible rolling stock.

They deliver reliable, smooth operation on HO layouts and install easily onto 6-wheel trucks, making it practical to refresh older cars for use with modern equipment.