Starter has straight bolt pattern only, does not support staggered installs.
Fits Small Block Chevy with 153 or 168 tooth flywheel, Hitachi style, mini starter. 
This Hitachi style starter is brand new and comes with mounting hardware and shims. 
1.9 horsepower output, 3.7:1 gear ratio, 10 lbs. 
This is also clockable with twelve mounting positions.

*actual starter may vary from photo