hi i am a newby to the forum so i hope someone can help me i have a 1998 fiat Ducato 14 TD SWB 2.5D Kon-Tiki 6 birth motorhome the problem is i need new front shocks and springs has mine keep bottoming out and its like Zebedee going down the road can any one tell me what hevey duty shocks i will need has the spares shop dont want to know has they dont want to give the wrong ones just to say what's on look like new