Quote Originally Posted by o_bomb
^^It comes out of an accord in japan. Its a powerful motor. Lots of tq and hp in a 2 liter. HMM i dont know I still think a h22 is better. F20 is similar to a destroked h22!
it is exactly a destroked H22A. the block may say "F" but it is identical to the "H" blocks. It is reinforced like the H22A.