L31 Vortec Crate Engine 5.7L

The VEGE 12681431 is a 5.7L/350 cubic-inch L31 Vortec crate engine engineered to provide reliable performance as a heavy-duty replacement for various GM vehicles. This fully assembled long block unit is designed to meet the rigorous demands of 3/4 and 1-ton applications, including G-Series vans, P-Series trucks, and Silverado models manufactured from 1996 to 2000. Technically specified with a 9.4:1 compression ratio, this unit utilizes cast-iron cylinder heads and a robust cast-iron block to ensure longevity and consistent power delivery. The assembly includes essential internal components such as the block, piston and pin assembly, crankshaft bearings, and rear seal, providing a comprehensive solution for engine replacement needs. As a factory-style replacement, it features the Vortec-style head design and a steel roller camshaft.