F13 big side gears for big block shafts

[bazil]

Anyone got good knowlage of these?
Are they hard to find to buy?
How do they fit to a ATB diff?
How much would I expect to pay?

Cheers for any info

[MattBrown]

Autograss forum is where you need to head bazil.

Yorkshire dales is a good one.

They run c20xe novas, with f13crs and big shafts:thumb:

[bazil]

Cheers, I'll have a browse.