Need A New Diff

[whoppa]

ive got a 77 mod ford escort and i just blew my diff 2 peices, through a gear out the back of the diff housing.. im looking 4 a new diff doesnt matter if its a single spinner or if its been rebuilt... ide rather a lsd and somthin thats been rebuilt.. im pushin a fair bit more than standard power thought it and it just died... i need somthin straight way not really cAring wat state its in just has 2 work.. im from wollongong in nsw an hr south of sydney thanx... need it desperate