looking for a upgrded and modified oil pump,
best placs and prices please.
cheers

 

Got mine from Api,£110+vat(£130).Much cheaper than anywhere else,comes with crank oil seal,and it's a nice wrinkle red to! Didn't get the rear oil o-ring seal though.

 

Just about everywhere does them. And interestingly, they all have slightly different opinions on what the mod actually is.

In the end I just measured up my existing pump to check it was to spec and did the 'mod' myself - smoothing off the sharp edge on the plunger which you can feel catches inside its tube. I then tightened the cover screws down with locktite and the job's a good un.