ok I just saw your sig and you have a crx it uses a cable tranny for the clutch that means you can use the ls tranny however you will need to add in the hydro lines the clutch master cylinder misc parts (Im not 100% sure exactly what but little pieces) and you will have poor gearing for your motor therefore I highly recomend you DO NOT get a 98 ls tranny on your b16a1 crx.
Robster