The surf Boards were a couple of years ago £600 each plus vat new , just checked eurospares site and they have gone up see below
Maserati 4200 Gransport (2005) - L.H. LATERAL SHIELD
Part No. 980138258
Will This Fit My Car? (Click To Find out)
NEW
To Order
£685.00 Each
Approx €807
Used ones come up every now and again and usually go for half the new price , expensive even at that but no getting away from it they completely change the appearance for the better in my humble opinion , but then i would having a set on my 4200
regards loz