found a great site to see all the dimetions on the clutch parts on all/most of the honda cars.

http://www.clutchcityonline.com/standard.htm



What I need is a
8 3/8" disc. diam.
7/8" spline diam.
21 spline

The 86-89 clutch disks are
8 1/4" disc diam.
7/8" spline diam.
21 spline

1/8" smaller plus its $42.86