Installation Time
(approx) 6 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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$965.00 kit
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Features, Description, Q&A, Specs & Installation
Heavy-Duty Transmission Rebuild Solution. The McLeod Performance Allison 1000 Automatic Transmission Overhaul Kit with Steel Module is designed for serious upgrades in durability and performance. Tailored for the Allison 1000 found in the early-model Sierra 2500 HD, the McLeod kit is perfect for towing, off-road driving, and high-horsepower builds. It offers a comprehensive solution to reinforce your transmission for heavy-duty use and high torque output.
Construction and Appearance. The kit includes premium friction plates, high-strength gaskets, and seals, along with an upgraded steel module engineered for superior strength under pressure. Each component is manufactured to meet performance-grade standards, helping extend the life and reliability of your transmission in demanding conditions. The McLeod overhaul kit enhances overall drivability while maintaining OE compatibility.
Installation. Installation of the McLeod Performance Overhaul Kit is considered difficult and should be performed by a professional transmission specialist. The process involves full disassembly of the transmission and requires specialized tools, making it suitable for serious rebuilds or high-performance applications.
Warranty. This product is backed by the McLeod Limited Warranty, providing confidence in materials and craftsmanship.
Application. The McLeod Performance Allison 1000 Automatic Transmission Overhaul Kit with Steel Module fits 2001-2005 Sierra 2500 HD.
McLeod 88110
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 6 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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