Replaces 19432690

Chevrolet Performance LS364/450 Gen III 6.0L Long Block

The all-new LS364/450 long block assembly is the newest LS engine to hit the Chevrolet Performance catalog. This long block assembly is designed for budget-minded builds looking for a strong base for their LS swap project or a power increase to their older LS vehicle. It benefits from the best parts of the Gen III and Gen IV LS components, including the LS3 cylinder heads and the high-lift LS6 camshafts. This new LS engine includes packs 452 Horsepower and 441 lb./ft torque.