LT1/ LT4 427" Short Block 4.6 Short Block We can have your existing

We can have your existing shortblock picked up at a location convenient for you

Displacement: 377" Bore: 4

Mesa Balancing Racing Engines uses only Dart Merlin or Brodix or GM bowtie new blocks to build these high HP packages which on pump gas can make 600 + depending on the cylinder heads and components used and well over 1000 HP with blower turbo or NO2

Long blocks do not include accessories but we can also provide those at an additional charge

turbos with a higher boost to make 1300

LT1/ LT4 427" Short Block 4.6 Short Block We can have your existingMesa 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