Not trying to have a go at you or anything like that, But take the time to search as you will most likely find what you want or something better.
Des :yes:
I will have to find what colour it is, I THINK its pink and new the ecu. It just gets earthed, It stops the car back firing after its been cranking and doesn't start.
Also does yours have 2 oxygen sensors or one ?
V6 would be good for towing and would be the cheapest in your list but finding a V6 in good nick that hasn't been flogged is getting hard. You might find it a bit slow with the 4age but depends what model it is ?
How stiff do you want them ?
I run 4.5kg in the rear of mine and soon to run 6kg in the front. With the 4.5's in the back it steps out easier and body is a bit less but I'm still yet to touch my sway bar so...