PerformaBuilt Transmissions is standing firmly behind its products with an industry-leading one-year warranty on transmissions purchased without a PerformaBuilt converter, and two-years for those purchased with. Best of all, the warranty has no mileage or "abuse" stipulation. They actually expect you to race your car, go figure! Packages are available for 4L60E, 4L65E, 4L70E, 4L80E, TH400, TH350, 700R4, and 200-4R. Check out www.shiftmygears.com or call 800/744-6542 for more information.