18 Spline 4 Speed

lemondana said
The 66 and 67 came with the small bearing retainer. I suppose the 66 Hemi cars and the 67 HP 440 R/T and GTX and the Hemi again.

Gotcha. This case is late 69 case. The bearing retainer number is visible in my pics. I'm pretty sure I ran it against Jamie Passon book numbers.