Chevrolet 6.6 Gas Liter Engine 2025 Price. The l8t v8 is a gasoline engine produced by general motors for use in heavy duty pickup trucks. But both models share a choice of two engines, one gas and one diesel.

Way back in december 2022, chevrolet performance launched a crate version of the naturally aspirated 6.6l v8 l8t gasoline engine found in the silverado hd and sierra hd pickup. This 6.6l gas fuel injection ecu power programmer is made specifically for your heavy truck.