LT1/ LT4 427" Short Block 4.6 Short Block Displacement: 377" Bore: 4

Displacement: 377" Bore: 4

LT1 Oil System Type: Dry or Wet Sump Block: GM LT4 6

These new blocks are put through the same machining process as all our engines (we do not use new blocks without machining them like most of our competitors ) all blocks are inspected for cracks and flaws then fully blueprinted and assembled to fit your needs

LME Standard Shortblock Blueprinting Process:

Cylinders bored (when applicable) on 4 axis CNC perpendicular to mains giving you a true 90o  V8

LT1/ LT4 427" Short Block 4.6 Short Block Displacement: 377" Bore: 4Mesa Balancing Racing Engines uses our proven custom pistons with the 4340 forged crankshaft & H beam 4340 rods, this package gives you the ability to max out the factory sleeve block with no worries. This combo works great with Superchargers, turbos with a higher boost to make 1300. By far the best bang for the buck without a sleeved block you will find. (we can also sleeve blocks for higher target HP packages. Please call for pricing on sleeved