just ordering a clutch for a d15b4 and need to know if its 20 or 21 splines. It is an 1989 BTW. I know that for the ZCs the 88 has 21 splines and 89-91 have 20. just wondering if the same applies for this civic tranny

Thanks

 

89=20 all L3 trannys are that way. 88=21 89-91=20