Two aluminum plates have holes in the bolt pattern for the NRS Low-Back and High-Back Seats
Use the bolts you have with your seat to attach it to the aluminum plates
Older seat bars that don't have holes, just drill four 1/4 inch holes in 5.25-inch x 5.25-inch pattern
Description
NRS Swivel and Plates for Padded Raft Seats - The NRS Swivel and Plates for Padded Raft Seats lets you turn any NRS Padded Raft Seat into a swivel seat that allows the seat to rotate 360 degrees. Simply bolt the plates to your seat, then bolt the swivel base to your seat bar or the Universal Seat Mount (sold separately).