Chevy 406 Mighty Mouse with 425hp and 430 ft-lbs of torque. This engine features the following parts:
- NEW 3.75" crank
- NEW 5.7" I-beam rods
- New Vortech iron heads
- 2.02"x1.60" valves
- GM 400 block-bored-decked-honed
- Speed-pro 305`-.509" lift cam (CS-187R) Vortech style intake required!!
As with all our remanufactured engines, this Chevy 406 Mighty Mouse features new pistons, rings, complete gasket set, oil pump, and valvetrain installed. The block is bored and honed and new cam bearings and freeze plugs are installed. The heads are resurfaced, featuring new guides and seals, then refinished with a 3-angle valve job. Crankshafts are reground and micro polished to factory specs. Each motor is pretested for compression, oil pressure, and oil flow before leaving the factory.
Our 12 month limited warranty covers parts for 12 months unlimited mileage.