THIS IS AN AD FOR THE 2001-2010 8.1 OR DURAMAX GM TRUCK OR SUV EQUIPPED WITH AN ALLISON TRANSMISSION. WE ARE STAFFED WITH A MASTER CERTIFIED GM TECHNICIAN AND WE HAVE TRANSMISSIONS THAT CAN HANDLE 500-1200 HP. THIS AD IS FOR A STAGE 1 REPLACEMENT TRANSMISSION THAT IS PRE-BUILT AND READY TO GO. PRICE DOES NOT INCLUDE INSTALLATION, SHOP SUPPLIES, HAZMAT, TAXES, OR HARD PART FAILURE. THIS UNIT CARRY'S A 3 YEAR 36,000 MILE PARTS AND LABOR WARRANTY WHEN INSTALLED AT OUR FACILITY AND IS RATED TO 550 HORSEPOWER. AFTERMARKET ACCESSORIES MUST BE APPROVED TO UPHOLD TRANSMISSION WARRANTY. HOWEVER WE DO OFFER EVEN MORE UPGRADED TRANSMISSIONS ABOVE THIS BUILD THAT WILL KEEP THE WARRANTY AT A 3 YEAR , 36,000 MILE PARTS AND LABOR WARRANTY UP TO SPECIFIC HORSEPOWER RATINGS. ALL THE WAY TO 1200 HP. PLEASE FEEL FREE TO TEXT US OR GIVE US A CALL WITH ANY QUESTIONS. THANKS, THE TRUCK TRANSMISSION SPECAILIST TEAM 80 W 500 N OREM, UTAH 84057 TYLER CELL 385-462-8458 LUKE CELL 801-836-9940 FOR INSTALL INFORMATION CALL OFFICE 833-322-8458