LT1 377" Force Induction Short Block Wet Sump Road warrior LT1 LT4 Gm Performance new

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

MBRE uses fully magnetic particle inspected and blueprint machined iron blocks for all of our engine packages

All tolerances

Mesa Balancing Racing Engines uses our seasoned blocks to build our non sleeved long blocks which as all of our engines are fully machined  inhouse by our experienced staff as seen on our FB and IG page

Big M Sportsman Chevrolet Big Block Iron Block – 4

LT1 377" Force Induction Short Block Wet Sump Road warrior LT1 LT4 Gm Performance newMesa Balancing Racing Engines will help you get the most out of your blower or turbo with this short block combo. Proven reliable at 1100hp to the ground, the factory forged LT crank attached to 4340 H Beam rods and custom forged pistons will set your mind at ease and allow you to make the power with the boost you're craving. Dry sump $7890 Wet Sump wet sup $7395 Displacement: 377" Bore: 4. 070" Proven Power Rating: 1100 RWHP Stroke: 3. 622"