I might be wrong, but I think 002/091 boxes are slightly longer than standard type 1/3 boxes. However, I know people have used them before. Word of warning though. The ratios are totally different. For instance a 1600 kombi box (3 rib 002) has a ring and pinion of 5.12, the 1800 (5 rib 002) is a 4.86 and the 2L (6 rib 091) is 4.56 from memory. Where beetle type three diffs are probably 4.12 in general for that year IRS. The upshot is heaps more revs on the freeway. You are better off looking for an Lbug box. They are almost as strong as an 091 and have a 3.88 R/P. Great for highway. They also fit straight in and you can get them for as little as $150 bucks from a wrecker. All you need to do is redrill the indent for the shift coupling on the bottom of the shift rod rather than the top (ala beetle).
