2022-2024 Chevy & GMC Silverado & Sierra 1500 2.7L TurboMax Parts & Accessories

The 2.7L TurboMax engine in your 2022-2024 Silverado or Sierra 1500 packs a surprising punch, but the 8-speed 8L90 transmission behind it is known for torque converter shudder and high operating temperatures. Tier One carries the essential drivetrain upgrades you need to fix these factory weak points and keep your truck on the road. We have everything from billet torque converters and thermal bypass valves to deep transmission pans and high-efficiency coolers. Whether you use your TurboMax for daily driving or towing, Tier One has the parts to keep your 8L90 shifting smoothly and running cool. If you don't see what you're looking for, contact Tier One or call 602-399-5484! If your stock transmission has failed or is shuddering, reliable replacements are available, so check out our 2022-2024 Chevy & GMC 1500 2.7L TurboMax Complete Transmissions. The factory torque converter is the number one cause of 8-speed shudder, so solve it permanently with one of our billet 2022-2024 Chevy & GMC 1500 2.7L TurboMax Torque Converters. The 8L90 runs hot by design, which kills fluid life, so keep your temps in check with our 2022-2024 Chevy & GMC 1500 2.7L TurboMax Transmission Coolers. Erratic shifting and flares can be fixed with our updated 2022-2024 Chevy & GMC 1500 2.7L TurboMax Valve Bodies. Finally, whether you need a deep pan for extra capacity or a thermal bypass valve, find it in our section of 2022-2024 Chevy & GMC 1500 2.7L TurboMax Transmission Parts.