MY QUESTION IS THIS I HAVE A (JDM)94 H22A PRELUDE MOTOR BUT I SHOT A PISTON IN IT AND MY FRIEND HAS A (USDM) BLOCK ITS A 98 OR 99 AND ITS ALREADY SLEEVED HE WANTS 200$ FOR IT BUT N-E WAYS WILL IT WORK WITH MY HEAD OFF THE 94 H22A JDM THE STROKE ON THE CRANKSHAFT MAY DIFFER FROM EACHOTHER WILL THAT BE SAFE FOR RUNNING HIGH BOOST

 

first turn caps off.

to answer your question: the strokes are the same which 90.7 mm stroke.
the h23 has the longer stroke of 95mm.


yes your head off your 94 h22 will work.just use your dizzy off of your motor.


harv

 

also what about the block type i did some searching to find my is a closed deck is the usdm closed or open deck. and what do they mean by closed and open...........

 

shouldnt matter as the heads didnt change. Closed deck may be stronger.