Brute Force U-Joint Part #'s
Here's what my brute force half shaft looked like after a few years:

And putting the BF and Spicer side by side, the Spicer (left) looks much better made:
http://www.nordiques.com/pieces/imag...pdf/neapco.pdf
If that link becomes bad in the future, here's Neapco's online catalog link:
http://www.neapco.com/nA-aftermarket-catalogs.php
For my '81, 4-speed, the driveshaft number is 1-0153BF (same for both ends). The half shaft number is 2-0053BF (all 4).









