
ATS 7.3L Allison Conversion for 1999-2003 Ford 7.3L Power Stroke
ATS 7.3L Allison Conversion Kit
Fits 1999-2003 Ford Power Stroke – Upgrade to the Legendary Allison Transmission Without the Fabrication Nightmare.
For years, 7.3L Power Stroke owners looking to swap out the restrictive factory 4R100 transmission faced a frustrating compromise: settling for an outdated analog Allison swap that required hacked-up driveshafts, relocated crossmembers, and unchangeable, clunky industrial tuning.
ATS has completely rewritten the script. Our engineers designed this conversion kit to place your factory Ford transfer case in its exact stock location. By engineering custom, application-specific components from scratch rather than stacking universal aftermarket adapters, we’ve created a seamless, bolt-on conversion that retains your stock front and rear drivelines and factory crossmember—saving you thousands of dollars in secondary modification and fabrication costs.
The Modern Tuning Advantage: Powered by Gen5 & HP Tuners
The biggest breakthrough in the ATS system is the electronics. While competitor kits force you to use an ancient, un-tunable industrial TCM (often permanently locked to 5.13 differential gears), ATS utilizes a cutting-edge Translator Module. Instead of relying on non-existent real-time digital data from the factory Ford ECM, the ATS Translator captures raw analog inputs directly from the truck and calculates its own precise data stream to communicate seamlessly with a modern GM T87 TCM.
This standalone capability allows us to utilize the advanced Gen5 (2019+) Allison valve body instead of low-line pressure trim valves. Your kit arrives with an unlocked T87 TCM pre-calibrated for your truck's specific setup. Because it is completely unlocked, you have full access via HP Tuners software to adjust shift points, line pressure, and torque converter lockup to perfectly match your driving style, tire size, and power levels.
Key Features & Mechanical Advantages
✓ No Driveline Modifications: Keeps your factory transfer case and crossmember in the exact stock 4R100 position. No cutting or lengthening of front/rear driveshafts required.
✓ Heavy-Duty Billet Output Shaft: Custom ATS billet output shaft splines directly to your factory Ford transfer case, eliminating weak multi-piece adapter shafts.
✓ Full-Size Torque Converter: Features a custom adapter plate that bolts to the 7.3L block and adapts to an SAE4 bellhousing. This allows the use of a full-size torque converter with the exact Stall Torque Ratio (STR) the 7.3L Power Stroke demands.
✓ Billet Converter Cover: Seamlessly connects to your factory Ford flexplate for a clean, simple, and ultra-strong installation.
✓ ATS Gateway Software: Includes proprietary software allowing you to connect directly to the translator module via laptop. Because the system processes raw analog data independently, this software lets you effortlessly view real-time transmission data and calibrate the Throttle Position Sensor (TPS) inputs, factory Tow/Haul button, and Tap Up/Tap Down manual shifting buttons.
What’s Included in the Kit
• ATS Block Adapter Plate (7.3L to SAE4 Bellhousing)
• ATS Custom Billet Torque Converter Cover (bolts to factory flexplate)
• ATS Custom Billet Allison Output Shaft
• ATS Advanced Translator Module (Standalone Analog-to-Digital Processor) & Custom Wiring Harness
• Unlocked Late-Model GM T87 TCM (Pre-calibrated to your vehicle configuration)
• Proprietary ATS Gateway Software Access
• Conversion Shift Linkage Kit
• Heavy-Duty Polyurethane Transmission Mount
• Mounting Brackets and All Required Installation Hardware
• Fully Integrated Tap Shifter with Tow/Haul and Full Manual Gear Control
ATS 7.3L Allison Conversion Kit
Fits 1999-2003 Ford Power Stroke – Upgrade to the Legendary Allison Transmission Without the Fabrication Nightmare.
For years, 7.3L Power Stroke owners looking to swap out the restrictive factory 4R100 transmission faced a frustrating compromise: settling for an outdated analog Allison swap that required hacked-up driveshafts, relocated crossmembers, and unchangeable, clunky industrial tuning.
ATS has completely rewritten the script. Our engineers designed this conversion kit to place your factory Ford transfer case in its exact stock location. By engineering custom, application-specific components from scratch rather than stacking universal aftermarket adapters, we’ve created a seamless, bolt-on conversion that retains your stock front and rear drivelines and factory crossmember—saving you thousands of dollars in secondary modification and fabrication costs.
The Modern Tuning Advantage: Powered by Gen5 & HP Tuners
The biggest breakthrough in the ATS system is the electronics. While competitor kits force you to use an ancient, un-tunable industrial TCM (often permanently locked to 5.13 differential gears), ATS utilizes a cutting-edge Translator Module. Instead of relying on non-existent real-time digital data from the factory Ford ECM, the ATS Translator captures raw analog inputs directly from the truck and calculates its own precise data stream to communicate seamlessly with a modern GM T87 TCM.
This standalone capability allows us to utilize the advanced Gen5 (2019+) Allison valve body instead of low-line pressure trim valves. Your kit arrives with an unlocked T87 TCM pre-calibrated for your truck's specific setup. Because it is completely unlocked, you have full access via HP Tuners software to adjust shift points, line pressure, and torque converter lockup to perfectly match your driving style, tire size, and power levels.
Key Features & Mechanical Advantages
✓ No Driveline Modifications: Keeps your factory transfer case and crossmember in the exact stock 4R100 position. No cutting or lengthening of front/rear driveshafts required.
✓ Heavy-Duty Billet Output Shaft: Custom ATS billet output shaft splines directly to your factory Ford transfer case, eliminating weak multi-piece adapter shafts.
✓ Full-Size Torque Converter: Features a custom adapter plate that bolts to the 7.3L block and adapts to an SAE4 bellhousing. This allows the use of a full-size torque converter with the exact Stall Torque Ratio (STR) the 7.3L Power Stroke demands.
✓ Billet Converter Cover: Seamlessly connects to your factory Ford flexplate for a clean, simple, and ultra-strong installation.
✓ ATS Gateway Software: Includes proprietary software allowing you to connect directly to the translator module via laptop. Because the system processes raw analog data independently, this software lets you effortlessly view real-time transmission data and calibrate the Throttle Position Sensor (TPS) inputs, factory Tow/Haul button, and Tap Up/Tap Down manual shifting buttons.
What’s Included in the Kit
• ATS Block Adapter Plate (7.3L to SAE4 Bellhousing)
• ATS Custom Billet Torque Converter Cover (bolts to factory flexplate)
• ATS Custom Billet Allison Output Shaft
• ATS Advanced Translator Module (Standalone Analog-to-Digital Processor) & Custom Wiring Harness
• Unlocked Late-Model GM T87 TCM (Pre-calibrated to your vehicle configuration)
• Proprietary ATS Gateway Software Access
• Conversion Shift Linkage Kit
• Heavy-Duty Polyurethane Transmission Mount
• Mounting Brackets and All Required Installation Hardware
• Fully Integrated Tap Shifter with Tow/Haul and Full Manual Gear Control
Original: $11,999.99
-65%$11,999.99
$4,200.00Description
ATS 7.3L Allison Conversion Kit
Fits 1999-2003 Ford Power Stroke – Upgrade to the Legendary Allison Transmission Without the Fabrication Nightmare.
For years, 7.3L Power Stroke owners looking to swap out the restrictive factory 4R100 transmission faced a frustrating compromise: settling for an outdated analog Allison swap that required hacked-up driveshafts, relocated crossmembers, and unchangeable, clunky industrial tuning.
ATS has completely rewritten the script. Our engineers designed this conversion kit to place your factory Ford transfer case in its exact stock location. By engineering custom, application-specific components from scratch rather than stacking universal aftermarket adapters, we’ve created a seamless, bolt-on conversion that retains your stock front and rear drivelines and factory crossmember—saving you thousands of dollars in secondary modification and fabrication costs.
The Modern Tuning Advantage: Powered by Gen5 & HP Tuners
The biggest breakthrough in the ATS system is the electronics. While competitor kits force you to use an ancient, un-tunable industrial TCM (often permanently locked to 5.13 differential gears), ATS utilizes a cutting-edge Translator Module. Instead of relying on non-existent real-time digital data from the factory Ford ECM, the ATS Translator captures raw analog inputs directly from the truck and calculates its own precise data stream to communicate seamlessly with a modern GM T87 TCM.
This standalone capability allows us to utilize the advanced Gen5 (2019+) Allison valve body instead of low-line pressure trim valves. Your kit arrives with an unlocked T87 TCM pre-calibrated for your truck's specific setup. Because it is completely unlocked, you have full access via HP Tuners software to adjust shift points, line pressure, and torque converter lockup to perfectly match your driving style, tire size, and power levels.
Key Features & Mechanical Advantages
✓ No Driveline Modifications: Keeps your factory transfer case and crossmember in the exact stock 4R100 position. No cutting or lengthening of front/rear driveshafts required.
✓ Heavy-Duty Billet Output Shaft: Custom ATS billet output shaft splines directly to your factory Ford transfer case, eliminating weak multi-piece adapter shafts.
✓ Full-Size Torque Converter: Features a custom adapter plate that bolts to the 7.3L block and adapts to an SAE4 bellhousing. This allows the use of a full-size torque converter with the exact Stall Torque Ratio (STR) the 7.3L Power Stroke demands.
✓ Billet Converter Cover: Seamlessly connects to your factory Ford flexplate for a clean, simple, and ultra-strong installation.
✓ ATS Gateway Software: Includes proprietary software allowing you to connect directly to the translator module via laptop. Because the system processes raw analog data independently, this software lets you effortlessly view real-time transmission data and calibrate the Throttle Position Sensor (TPS) inputs, factory Tow/Haul button, and Tap Up/Tap Down manual shifting buttons.
What’s Included in the Kit
• ATS Block Adapter Plate (7.3L to SAE4 Bellhousing)
• ATS Custom Billet Torque Converter Cover (bolts to factory flexplate)
• ATS Custom Billet Allison Output Shaft
• ATS Advanced Translator Module (Standalone Analog-to-Digital Processor) & Custom Wiring Harness
• Unlocked Late-Model GM T87 TCM (Pre-calibrated to your vehicle configuration)
• Proprietary ATS Gateway Software Access
• Conversion Shift Linkage Kit
• Heavy-Duty Polyurethane Transmission Mount
• Mounting Brackets and All Required Installation Hardware
• Fully Integrated Tap Shifter with Tow/Haul and Full Manual Gear Control
















