Features of this part number include:
Concentric machined to .005".
One piece design - 100% machined.
Proprietary heat treating process.
Chamfered gear tooth provides better engagement.
Application information:
Fits Chevrolet standard crank.
139 tooth ring gear.
10 pitch gear form.
Neutral balance.
Weighs 8.1 pounds.
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 - 6 holes 7/16" diameter on 10.75" bolt circle.
Note: Patterns 1 and 2 are 60 degrees apart to provide the 6 hole "split pattern".
