Features of this part number include:
Fits early Oldsmobile crank (Pre 1969)
- Concentric machined to .005".
- One piece design - 100% machined.
- Proprietary heat treating process.
- Chamfered gear tooth provides better engagement.
Application information:
- Fits traditional Oldsmobile.
- 166 tooth ring gear.
- 12 pitch tooth profile.
- Weighs 6.7 pounds (Neutral).
- Converter pattern 1 - 3 holes 7/16" diameter on 10.75" bolt circle.
- Converter pattern 2 - 3 holes 7/16" diameter on 11.50" bolt circle.
- Converter pattern 3 - 3 holes 1/2" diameter on 10.75" bolt circle.
- Converter pattern 4 - 3 holes 1/2" diameter on 11.50" bolt circle.