LT4 377" Short Block modmax We can have your existing

We can have your existing shortblock picked up at a location convenient for you

We stock sleeves and components for quick delivery

Theses engines are suitable for 600-800 Hp levels

6 engines are the proper foundation to add  horsepower with reliability  to your high performance vehicle

Bearing clearances are checked and set for performance use and the rings are perfectly filed to fit for optimum seal

LT4 377" Short Block modmax We can have your existingMesa 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. Displacement: 377" Bore: 4. 070" Proven Power Rating: 1400 RWHP Stroke: 3. 620" Compression Ratio: 10. 5: 1 w 64cc Chamber Rod