new old stock vs new repro pistons

[robsan]

Hi All
Anyone used the repro 650 pistons from Mikes xs,Im weighing up weather to source new old stock or go for brand new repros,any views appreciated

 

[cra-z1]

I used the 2 over on my 72 rebuild. No problems with quality.

 

[sseres]

I have mikes 1st oversize running fine. Came in what appeared to be a real Yamaha box.