Looking to upgrade your 2001-2010 GM truck or SUV equipped with an Allison transmission? We've got the perfect solution for you. Our Stage 1 replacement transmission, pre-built and ready for installation, caters to vehicles with the 8.1 or Duramax engine. Our facility boasts a Master Certified GM Technician and offers transmissions capable of handling 500-1200 horsepower.

This specific ad highlights a transmission rated for up to 550 horsepower, available at a price that does not include installation, shop supplies, hazmat, taxes, or costs related to hard part failure. It comes with a robust 3-year, 36,000-mile parts and labor warranty when installed at our facility. Please note that any aftermarket accessories must be approved to maintain the warranty validity.

For those in need of more power, we also offer higher-grade transmissions that can accommodate up to 1200 horsepower while maintaining the same extensive warranty coverage. If you have any questions or wish to discuss further details, feel free to text or call us. We're here to help enhance your vehicle’s performance and reliability.