This 355 SBC street stock short block has proven itself with win after win time and time again to be hard to beat. It has been custom machined, blue printed, torque plate honed and fully balanced all in house.
This UMP factory stock engine combination is a proven winner and has won hundreds of features, many track championships and UMP Factory Stock National Championship. Looking for a UMP Factory Stock Engine to bring in the win? This could be the engine you are looking for.
This engine combination is a proven winner and has won hundreds of features and many track championships. Horsepower and torque range is estimated at 425 hp. and 475 ft.lbs. There are upgrades available to push the horsepower and torque further if needed.