Powermaster offers several different style of starters which have different torque ratings.
Powermaster can help you with Selection, Install and Problem Solving for this product by giving them a call at 800-323-5102. Problem Solving is best served while the product is still on the vehicle. They have "Starter & Alternator" people to help you!
Summary: Needed this for my 331 stroker build.
Yes, I recommend this product.