Originally Posted by
costina
why ?The small turbo block has them as standard and means you can use a pinto oil pump at a faction of the cost of a yb one which are getting thin on the ground.
Jets and machining is around £600 so its expensive to do and I only recomend doing it if you have a long stroke 8 counter balance crank as the counter balance hits the spray bar and it can only take a certain type jet to miss the rod.
Mark