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ATS Diesel 8HP / 850RE Jeep Conversion Kits
ATS Diesel has engineered a fully integrated ZF 8HP / 850RE transmission conversion solution for Jeep applications, giving Jeep owners the ability to upgrade to one of the most advanced modern 8-speed automatic transmission platforms available. Designed for enthusiasts who demand better performance, improved drivability, increased transmission capability, and modern shift characteristics, the ATS Diesel 8HP Conversion Kit brings the strength and versatility of the 8HP architecture to Jeep platforms that were never originally equipped with it.
The ZF-designed 8HP transmission family, including the 850RE used in late-model Jeep applications, combines a wide 8-speed gear spread with a deep first gear, closely spaced intermediate ratios, and multiple overdrive gears. The result is excellent acceleration from a stop, reduced RPM drop between shifts, improved control on and off road, and lower engine RPM at highway speeds. Whether you're building a daily-driven Jeep, an off-road rig, a high-horsepower project, or simply replacing an older transmission platform with modern 8-speed technology, an ATS 8HP Jeep conversion provides a dramatically different driving experience.








