If I was to do an SiR-T swap in my Accord, what kind of header would I use for it? Would an H22 header bolt up ok? I heard they are the same engine, just the F20 is debored and destroked. There aren't any parts for F20b's listed where I've looked. Do they even sell them in the US? Thanks for your help.

 

yes the h22 headers are interchangeable for the f20b...

 

they are both cast from the exact same block and heads (the casings on both the block and the head are identical to that of the h22)...it's the sleeves, the crank, the rods, and the pistons that are switched in the f20b...also, honda used the type s valvetrain and cams in the f20b...therefore, all external parts that will fit the h22, will fit the f20b...(that would be intake manifold and exhaust manifold)...