Mainsheet double Block and Sidestay turnbuckle replacement parts

[Spartan]

After cleaning the hull and cockpit this weekend it seems I need a couple of replacement parts.

Does anyone have replace part suggestions for :

Mainsheet double block

Side Stay turnbuckle

Thanks
Tom

[buckaroo]

I just ordered a new double block from Hutchins. The price was very good compared to other online sources ($40).  I'd suggest going through them.

[DaveE]

Give a thought to replacing your double block with a fiddle block.  I find that they don't twist as much.