What's the best lowering springs for rears of 1.2 16v

[Sammccrudden]

Got t a technix Coilovers kit for it the front can go stupidly low but I really need help lowering the back more I really need new springs but I have no idea where I can get decent springs or anyone have any idea please help many thanks Sam

 

[Kelv]

Are they actually coilovers on the rear, or a height adjustable platform within the standard spring position?

 

[Sammccrudden]

there seperate dampners and then you got the seperate spring which whith the coilover kit i got is just the spring sat on an ajuster