NOW THE HEAD A. SET THE VALVE CLEARANCE AT .002" 1. START IT ON THE TOP OF THE STUDS ABOUT AN INCH ON 2. GRAB THE CAM SPROCKET WITH ONE FINGER IN THE CENTER HOLE SO YOU CAN GUIDE IT INTO THE HEAD AS WE SLIDE IT DOWN ALL THE WAY TO THE CYLINDER 3. OK SLIDE THE HEAD DOWN UNTILL IT IS PUTTING PRESSURE ON THE OIL SEAL RING BETWEEN THE HEAD AND CYLINDER 4. YOU CAN TRY TO PULL THE CAM SPROCKET TOWARD THE TOP OF THE HEAD SOME SO IT DON'T BIND UP ANYWHERE. @ THIS COMES MOSTLY ASSEMBLED