Simpson D3 or PRP Harness by RR | Jun 7, 2017 | General RZR Discussion | 0 comments I think I have narrowed down my harnesses to either the Simpson D3 harnesses or PRP. Both with quick connects. Any one have any experience with the D3’s? They seem nice. Utah RZR Rentalswhence Submit a Comment Cancel replyYou must be logged in to post a comment.