Help! Plug wires are melting....

Something similar to this would probably do the trick:

http://store.summitracing.com/partdetail.asp?autofilter=1&part=DEI-010504&N=700+115&autoview=sku

or this:

http://store.summitracing.com/partdetail.asp?autofilter=1&part=THE-14250&N=700+115&autoview=sku