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

Big M Sportsman Chevrolet Big Block Iron Block – 4

Please call our office for specifics on compression ratio and upgrades

Mesa Balancing Racing Engines has been involved in airflow development for over 20 years and we clean inspect hand port and machine the majority of the cylinder heads used in many of our race and championship winning engines for our customers and many private label internet sales companies

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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"