[quote name='noelk27' post='717162' date='Jan 18 2010, 09:21 PM']4 + 1 conversion kits were all the rage in the early 90s, when the 5-string thing was gaining in popularity. Wilkinson, among others, produced kits you could slap on your favourite bass, thus trashing the instrument in question. Almost shed tears over a mid-60s Fender Precision given the 4 + 1 treatment.[/quote]
To be fair, the Wilkinson 4+1 kit for a P was all undo-able.