5.3L L84 GEN-5 ENGINE REBUILD KIT W/GENUINE GM 12723516 CAMSHAFT | 16 AFM/DFM STYLE LIFTERS | HEAD GASKET KIT | BOLTS | FITS 2019+ CHEVY GMC 5.3L GEN 5 L84 VIN "D"

This professional-grade engine restoration kit is specifically engineered for 2019 and newer Chevy and GMC 5.3L L84 engines (VIN code "D") equipped with Dynamic Fuel Management (DFM). The centerpiece of the kit is the Genuine GM 12723516 Camshaft, a factory-original component designed to restore the precise lobe lift and duration required for original fuel efficiency and performance. To ensure a permanent mechanical seal, the kit includes a full set of Elgin Industries Head Bolts, manufactured in the USA from high-tensile steel to meet strict torque-to-yield specifications. For maximum reliability under high cylinder pressures, we include 16 specialized DFM-style hydraulic lifters and a premium Upper Head Gasket Set featuring Multi-Layer Steel (MLS) construction. This kit provides a technical, long-term solution for addressing lifter failure or performing a top-end rebuild with verified OEM quality.

• LIFETIME WARRANTY IF INSTALLED BY A CERTIFIED MACHINIST
• GENUINE GM 12723516 CAMSHAFT: Includes the official factory-replacement camshaft for the L84 platform. This Genuine GM part is manufactured to strict OE dimensional tolerances, ensuring perfect synchronization with the valvetrain and full compatibility with the factory DFM oiling system.
• 16 DFM/AFM SPECIFIC LIFTERS: Includes a full set of 16 hydraulic lifters. These units are specifically validated for the Gen V DFM system, designed to handle the complex oil-pressure cycling required for 2019+ cylinder deactivation patterns.
• USA-MANUFACTURED ELGIN HEAD BOLTS: Features a complete set of Elgin Industries Head Bolts, proudly produced in the United States. These torque-to-yield fasteners are engineered to meet factory clamping load specifications, ensuring a secure, leak-free bond between the head and block.
• MULTI-LAYER STEEL (MLS) GASKET SET: The included Upper Head Gasket Set utilizes MLS technology, featuring multiple layers of embossed steel with elastomeric coatings. This construction provides superior heat resistance and maintains a rigid seal under the high cylinder pressures of direct-injected V8s.
• VERIFIED L84 ENGINE COMPATIBILITY: Precision-fit for the 5.3L L84 engine found in 2019-2024 Silverado/Sierra 1500 and 2021-2024 Tahoe, Yukon, and Suburban (8th digit of VIN must be "D"). This kit is the technical match for the factory L84 DFM architecture.
• REDUCED WEAR & RESTORED PERFORMANCE: Replacing worn components with this OEM-spec kit restores original engine timing and valvetrain quietness. It is the preferred choice for those seeking to avoid the durability risks associated with non-certified aftermarket parts.
• COMPLETE TOP-END SEALING SOLUTION: Beyond the primary mechanical parts, this kit includes a comprehensive upper gasket set to ensure all sealing surfaces—including intake and exhaust—are refreshed during the camshaft and lifter service.