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LT1 LT4 Gm Performance new block in sealed GM crate manufacturer part number 19431901
Deck manufacturer part number 31223554
NOTE: THESE SHORTBLOCKS ARE CUSTOM BUILT FOR YOUR APPLICATION AND TYPICALLY TAKE 6-8 WEEKS
a We can build these with a variety of pistons to obtain the compression ratio of your choice
LT1/LT4 416" 1400 DRY SUMP 4V LT1 LT4 Gm Performance newMesa BalancingRacing Engines LLC 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
