For Small & Big Block Chevy SBC BBC 305 350 454 Chrome 3hp High Torque Mini-Starter Works for both small and big block engines with inline bolt mounting. Has dual bolt pattern that allows it to be used with either 153 or 168 tooth flexplates/flywheels for automatic or manual transmissions.Also works for Chevy 90 V6s Nice looking,chrome finish.Has 2 wire hookup This starter is rated at 3.0kw, which converted to horsepower, comes out to 4.00HP. The gear reduction starters producing up to 50% more cranking power over stock starters.