Sa559 rear shocks? What are they?

[04-182]

Hi. I’ve had a look at the rear shocks on my 182 and it looks like they are called primeline SA559. I’ve never heard of them and can’t find the same ones when I googled them.
They look pretty new but are they junk and should I just swap them out for proper cup ones?
Replacing the rear springs so they have to come undone either way.
Cheers

 

[hopgop1]

Look like a motor factors special I'd say. I'm no expert, but I'm under the impression you want the proper genuine shocks on these.

 

[04-182]

Look like a motor factors special I'd say. I'm no expert, but I'm under the impression you want the proper genuine shocks on these.

I’ve got a set of proper cup ones on shelf but would save them if these are any good. I’m guessing junk as other ones on eBay with same manufacturer name but not number are like £30 a pair but wanted to check.