Big throttle body Throttle body: Bore diameter φ34 
 
Only for normal cylinder head Our original inlet pipe It is possible 
to inhale smoothly from the big throttle body to the intake port of the normal cylinder head. Surface barrel finish 

■ Our original connecting tube is attached 
You can connect the normal air cleaner box and the big throttle body. 
For exclusive design, you can connect as it is without changing the position of the normal air cleaner box. 
Processing to expand the hole diameter of the air cleaner box is necessary to correspond to the big throttle body.