4L80E-HD2 Transmission Rebuild Kit Compatible With 1991-On GMC Yukon XL/Hummer/Chevy Suburban - 4L80EHD2 Reprogramming Kit, 4L80E Shift Improvement Kit

• ✔【GREAT COMPATIBILITY】The 4L80EHD2 Reprogramming Kit compatible with 1991-On Gmc Yukon Xl 5.3L/Hummer 6.0L/Chevy Suburban 5.3L-6.0L, Compatible with Use 4l80E and 4l85E Automatic Transmission, Whether it is used directly or as a spare, it is your best choice and will give you a good use experience.
• ✔【PRODUCT ADVANTAGES】This 4L80EHD2 Reprogramming Kit includes valve body, pump and internal components that are calibrated to work in concert with an elevated line pressure curve that will greatly improve the overall durability and shift feel of the transmission. Also, the laminated triple separator plate provides dual feed for the 3rd gear clutch without having to dismantle the transmission. the included highly improved wide land design boost valve and bushing resists wear so that pressure regulation functions consistently for the long haul.
• ✔【PACKAGE INCLUDES】This 4L80EHD2 Reprogramming Kit includes Heavy duty intermediate case snap ring, Accumulator valve springs, end plug and O-ring, Actuator filter tapered plug, O-ring, spring and end plug, valve system plate, valve, spring, e-clip and nuts, Laminated triple separator plate, Valve body and accumulator body kets, Drill bits, 3rd accumulator spring, hardened boost valve and bushing, Pressure regulator valve spacer, washer, springs and snap ring, New stronger 4th feed bolt and washer, 1-2 accumulator spring, Direct clutch return springs, Include all parts required for your installation.
• ✔【LIFETIME WARRANTY】You bought this 4L80E-HD2 Transmission Rebuild Kit in our ruian-store. We provide lifelong warranty service. We attach great importance to your satisfaction and strive to provide you with a good shopping experience. If the product is damaged or not suitable for your car, please feel free to contact us.

We provide lifelong warranty service for the Transmission Reprogramming Kit you buy in our store. We adhere to the principle of ""customer is God"" and wholeheartedly provide customers with the best quality service. We pay special attention to the satisfaction of the buyer. As long as you need to contact us at any time, we will answer all your questions at the first time! SPECIFICATIONS: INCLUDES THE FOLLOWING PIECES: (1)Heavy duty intermediate case snap ring (2)Accumulator valve springs, end plug and O-ring (1)Actuator filter tapered plug, O-ring, spring and end plug (1) valve system plate, valve, spring, e-clip and nuts (1)Laminated triple separator plate (1)Valve body and accumulator body kets (2) Drill bits (1)3rd accumulator spring (1)hardened boost valve and bushing (1)Pressure regulator valve spacer, washer, springs and snap ring (1)New stronger 4th feed bolt and washer (1)accumulator spring (16) Direct clutch return springs Direct installation Built to strict quality control standards PRODUCT ADVANTAGE: This 4L80EHD2 Reprogramming Kit includes valve body, pump and internal components that are calibrated to work in concert with an elevated line pressure curve that will greatly improve the overall durability and shift feel of the transmission. Also, the laminated triple separator plate provides dual feed for the 3rd gear clutch without having to dismantle the transmission. Dual feeding the 3rd gear clutch triples the torque capacity of the 3rd gear clutch which is the Achilles heel of this transmission. In addition, the included highly improved wide land design boost valve and bushing resists wear so that pressure regulation functions consistently for the long haul. Lastly, the EPC boost pressure valve system provided helps protect against accidental runaway boost pressure to stop the case and direct drum failure. CORRECTS/PREVENTS/REDUCES: 1. High pressure parts breakage 2. Soft 2-3 shift 3. Burnt direct clutch 4. Slow 3-2 downshift 5. No upshifts 6. Harsh 1-2 shift 7. Low pressure due to solenoid filter breakup 8. Codes 39, 68, 85, 86, 87, P0731, P0732, P0733, P0734, P0751, P0756, P0894 and P1870 COMPATIBLE MODEL: Compatible with 1991-On Gmc Yukon XL 5.3L Compatible with 1991-OnHummer 6.0L Compatible with 1991-OnChevy Suburban 5.3L-6.0L Compatible with Use 4l80E & 4l85E Automatic Transmission POINTS TO NOTE: 1. Before you buy, please check the model as much as possible to ensure that the product you buy is what you need! 2. Professional installation is highly recommended! 3.This 4L80E-HD2 Transmission Rebuild Kit of ours has a lifetime warranty service, you can leave a message if you encounter any problems, we will be the first time to reply to you!