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.
- Fits big and small block Chevrolet.
- 153 tooth ring gear.
- 12 pitch tooth profile.
- Weighs 5.7 pounds.
- Converter pattern - 6 holes 7/16" diameter on 10.75" bolt circle.