He sells what is called a off set ignition key can anyone tell me what it is for,thanks.

 

It offsets the stock location of the flywheel in relation to the crankshaft.
This is done buy using a thicker key and milling a small amount off of each side.
It is more prone to shear due to thinner amount of material in ingagement.

 

Advances timing, aka degree key.

 

Im asking because i will buy the cdi should i buy the ignition key to,will it make an improvement if i do get it and who of you guys have it,thanks.