mine is a 4cyl 5spd. 3sfe. middle piece on passenger side (2 piece) nuts/bolts flew off?...i was wondering of my other choices.. probably an oem upgrade? something like celica or v6 camry axles (2nd and 3rd gen)? if not, will 4cyl auto axles work? i would perfer something alittle stronger this time. axles been going out once in a while on this 5spd 4cyl.