6.0 L LS std 3.622 stroke 3V LT1 LT4 Gm Performance new

LT1 LT4 Gm Performance new block in sealed GM crate manufacturer part number 19431901

MBRE completely machines balances and assembles these engines in house with the same 4340 crankshafts 4340 Hbeam rods and forged pistons as all of our combinations

Dry sump $7890 Wet Sump wet sup $7395

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

6.0 L LS std 3.622 stroke 3V LT1 LT4 Gm Performance newMBRE uses fully magnetic particle inspected and blueprint machined iron blocks for all of our engine packages . We use 4340 forged crankshafts 4340 Hbeam rods and forged pistons to obtain the static compression ratios you may require