This is possibly a long shot but does anyone have either a JDM or Underdrive crank pulley lying around that they could measure up for me? I am after the diameter of the largest section of the pulley. A close estimate is fine also. I just need to ascertain whether the pulley I've got sitting on the shelf is a U/D or stock sized (lightened) pulley.

 

Many thanks!

 

Dan

Hi there Danny

 

if it's the one that would have three belts on it then I have an Unorthodox racing one (part No.0210106 rev E) which is 137mm approx in diameter.

 

HTH

Dan

 

Stock pulley from JDM N/A approx 160mm across large diameter.;)

Gentlemen!

 

Thank you VERY much indeed for the measurement information! It would appear that I've got one lightened stock crank pulley!

 

All the best,

 

Dan