Proform - 67427
This heavy duty crankshaft turning nut easily installs through the harmonic balancer and into the end of the crankshaft with the included grade 8 bolt. Once that's done, your balancer is held securely, and you have turning nut that is ready to rotate whenever necessary.
Features:
- Heavy-Duty Model
- Fits Big Block Chevy Engine Crankshafts
- Made from High-Quality Steel
- Black-Oxide Finish
- 1-inch Stud Length
- Sold Individually