like i said.. RM3k~rm4k is not enuff for H22A.. u can take Twin Cam engine non-vtec.. rm2k+ .. i got rm4k+ also dun dare to go for h22a.. when they install ar.. sure dis n dat cannot use.. then change.. even small parts rm25 also can make hole in ur pocket.. timing belt rm160, atf rm1xx, spark plug rm6x, oild fluid n filter rm8x, gaskets n seals all depend on the condition.. mounting point also must change.. many stuf la.. rm6k ++