Ironhead said:a week but there was according to them shims missing in pack and had to wait till they sent them but the outfit shipped them ground ups so it took 4 days to get them and new gasket cause gasket was hard and bittle and they said they did not want to install it like that so i sprug for the new gasket ,,,they also can adjust you speedo for new gear setup for 90 bucks
break in is only like 60 miles ,,no biggy
This is not needed Our MPH picks up off wheel speed.