Good luck, 2 different brands, likely won't mate up w/o some at least minor modifications. I had something similar when I purchased my 1800 7 years ago. After 3 weeks, I dropped her on the right side at a stop sign when my foot slipped on gravel. They saved major damage from happening, but then & there I decided I was going the route of full engine crash guards and the clamp-on highway type pegs. FWIW, I went with Nat'l. Cycle Paladins, and Drag Specialties' Popsicle pegs, attached with the Kury larger size deluxe P clamps. Chrome quality is superior, the only issue I have is the pegs' rubber o rings to keep your foot from slipping, need replacement every year due to rubber degradation & breakage.
2003 1800C Black w/ H-K 3", PC III, Clearview w/s, Hondaline backrest, XM sat. radio, MB 12" shocks, Prog. fr. spgs., Wolo, SPyKER mod, Glen's gas cap, Paladins, Drag Specialties Popsicle pegs, K-N, blackened engine, Kury RTB, mirrors & r. boards, blue LED's, Rivco tach & risers, LeatherLyke bags, backrest bag, w/s tri-pouch, Gen. Altimax RT43, Mich. Cmdr. II, Ult. Lowrider, Showchrome grips. 12-18 VTXCafe Bike of the Month