This listing is for an engine kit compatible with 2019-2023 GM Chevy 5.3L Gen V Direct Injected engines. VIN code D. Please verify! VIN refers to the 8th character in the vehicles ID in lower side driver dash. These are for standard 3.780" Diameter Cylinder Bores and Standard crankshaft journals. KIT Includes: Complete engine Gaskets set Connecting rod bearings Crankshaft main Bearings-Coated Piston Rings.1.2mm (Top), 1.5mm (2nd) & 2.5mm oil Ring Widths Camshaft Thrust Plate Coated Camshaft Bearings OE 12733671 GM Oil PUMP Timing Chain, Crank Gear and Tensioner. The main bearings in this kit are the same version of the popular Si bearings but has a factory-applied Polymer Coating consisting of solid lubricants and ceramic additives to improve the anti-friction and wear resistance properties of the bearings. This coating is required to provide proper startup protection for newer engines with the auto start/stop feature. Fitment: CHEVROLET SILVERADO 1500 2019-2023 5.3L CHEVROLET SUBURBAN 2019-2023 5.3L CHEVROLET TAHOE 2019-2023 5.3L GMC SIERRA 1500 2019-2023 5.3L GMC YUKON 2019-2023 5.3L GMC YUKON XL 2019-2023 5.3L