air bag part no mci 8

[artglass]

looking for part no for the new style air bags  fro mci 8 that have the block off built  in for the air beam block off for front , drive axle , thanx in advanced , anyone have any pros and cons  on using the new style bags compared to the old style with the block off plates. mine aren't leaking , but the bags have been on it for 20 years, don't want to blow them out on the road.