New leaf springs for my 69 charger. What kind?

[Tarzan]

Are these good enough for my 69 charger with a 440 bb? Isnt so that one side has more leaf than the other?

Is this the right ones? They look the same to me.

Right:

http://store.summitracing.com/partdetail.asp?autofilter=1&part=DCC%2D4452982&N=700+4294908110+400172+4294840062+4294908099+115&autoview=sku

Left:

http://store.summitracing.com/partdetail.asp?autofilter=1&part=DCC%2D4452983&N=700+4294908110+400172+4294840062+4294908099+115&autoview=sku

[Shakey]

I went with Eaton Detroit Springs.