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 6.8 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.
