LT1/ LT4 427" Short Block 1200 HP Deck manufacturer part number 31223554

Deck manufacturer part number 31223554

please call for pricing

We also have a Dart version of this package with the same conditions

The rotating assemblies are dynamic  balanced to racing specifications and rings file fit to your specific application then meticulously assembled into the block

Forged 4340 H Steel connecting rods and  your choice of Forged pistons and pins (see piston option and prices in the dropdown menu )

LT1/ LT4 427" Short Block 1200 HP Deck manufacturer part number 31223554Mesa 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