This starter is great, small but powerful, lightest starter I have ever fitted. It fitted my Chevy 350 engine perfectly, no gaskets were required. Ease of installation. The starter comes with two long screws. Most Chevy SB starters have staggered bolts (1 long and 1 short). I had to use my original short screw and a new long one. The starter cranks my engine like a new Ferrari. Excellent purchase!