Looking to eliminate Active Fuel Management (AFM/DOD) on your L84-powered GM truck or SUV? This Texas Speed & Performance kit includes everything needed to delete AFM/DOD from your GM L84 engine while replacing the factory camshaft with a non-DOD design for improved performance and long-term reliability. A custom tune or compatible tuner is required after installation to ensure proper engine performance.
⚠️ Important Note: Tuning is required after installation. The Texas Speed tuner option (TSP-TS-3090) is only compatible with 2019–2022 Silverado and Sierra trucks and does NOT work with SUV applications.
Kit Includes:
- 2019+ DOD Hole Plugs
- 2014+ LT1 Head Bolt Kit
- GM/Delphi LS7 Style Lifters (Set of 16)
- TSP OE-Style Gen 5 5.3L Head Gasket (Each)
- 2014+ LT1 Stingray Valley Cover Gasket
- GM LS1/LS6/LT1 Wet Sump Balancer Bolt
- LT1 Stingray Exhaust Manifold Gasket (Each)
- GM LT 2019+ Cam Phaser Bolt/Valve
- TSP OEM-Style Non-DOD Camshaft
- TSP LS/LT Front Crank Seal
- GM LS3 Lifter Trays (Set of 4)
- Water Pump Gasket (2014+ LT1)
Features:
- Complete AFM/DOD Elimination — Removes Active Fuel Management for improved reliability
- TSP OEM-Style Non-DOD Camshaft Included — Purpose-built replacement camshaft
- GM/Delphi LS7 Style Lifters — Full set of 16 included
- Comprehensive Gasket and Hardware Set — Everything needed for a complete installation
- Compatible with L84 5.3L Gen 5 Engines
Vehicle Applications — L84 5.3L:
Chevrolet Silverado 1500
- 2019 Chevrolet Silverado 1500 — 5.3L L84
- 2020 Chevrolet Silverado 1500 — 5.3L L84
- 2021 Chevrolet Silverado 1500 — 5.3L L84
- 2022 Chevrolet Silverado 1500 — 5.3L L84
- 2023 Chevrolet Silverado 1500 — 5.3L L84
- 2024 Chevrolet Silverado 1500 — 5.3L L84
GMC Sierra 1500
- 2019 GMC Sierra 1500 — 5.3L L84
- 2020 GMC Sierra 1500 — 5.3L L84
- 2021 GMC Sierra 1500 — 5.3L L84
- 2022 GMC Sierra 1500 — 5.3L L84
- 2023 GMC Sierra 1500 — 5.3L L84
- 2024 GMC Sierra 1500 — 5.3L L84
Chevrolet Tahoe & Suburban
- 2021 Chevrolet Tahoe/Suburban — 5.3L L84
- 2022 Chevrolet Tahoe/Suburban — 5.3L L84
- 2023 Chevrolet Tahoe/Suburban — 5.3L L84
- 2024 Chevrolet Tahoe/Suburban — 5.3L L84
GMC Yukon & Yukon XL
- 2021 GMC Yukon/Yukon XL — 5.3L L84
- 2022 GMC Yukon/Yukon XL — 5.3L L84
- 2023 GMC Yukon/Yukon XL — 5.3L L84
- 2024 GMC Yukon/Yukon XL — 5.3L L84
⚠️ Note: SUV applications will require a separate tuning solution, since the included tuner option (TSP-TS-3090) only supports 2019–2022 Silverado and Sierra trucks.
Frequently Asked Questions:
Q: Is tuning required after installing this kit?
Yes. A custom tune or compatible tuner is required after installation to ensure proper engine performance.
Q: Does the optional tuner work with my SUV?
No. The Texas Speed tuner add-on (TSP-TS-3090) is only compatible with 2019–2022 Silverado and Sierra trucks. It does not work with SUV applications such as the Tahoe, Suburban, Yukon, or Yukon XL. SUV owners will need a separate tuning solution.
Q: What camshaft is included with this kit?
A TSP OEM-style non-DOD camshaft is included, designed to replace the factory AFM-equipped camshaft.
Q: How many lifters come with this kit?
A full set of 16 GM/Delphi LS7-style lifters is included.
Q: What is the difference between this kit and the L87 6.2L kit?
This kit is built for the L84 5.3L engine and includes a 5.3L-specific head gasket. The L87 kit is built for the 6.2L engine found in higher trim levels like the Silverado High Country and Sierra Denali. Make sure you select the kit matching your specific engine.
Q: What vehicles use the L84 5.3L engine?
The L84 5.3L is the base V8 engine option across the Silverado 1500, Sierra 1500, Tahoe, Suburban, Yukon, and Yukon XL.
Q: What gaskets are included?
This kit includes the TSP OE-style Gen 5 5.3L head gasket, 2014+ LT1 Stingray valley cover gasket, LT1 Stingray exhaust manifold gasket, and water pump gasket.
