Description
Product Overview
The ATI Performance Products Automatic Transmissions ATI201444 is a race-focused Powerglide automatic transmission built for high-performance vehicles that require a strong, purpose-built drivetrain solution. It is listed as a PG – Transmission – High Impact – 1.64 Vasco Extreme Duty – Super Case & Ext Housing 28 – Trans Brake, making it a serious choice for buyers looking for an ATI transmission with race-ready specifications.
This transmission is identified by Manufacturer’s Part Number ATI201444, Summit Racing Part Number ATI-201444, and UPC 800157084317. These identifiers help race teams, performance shops, vehicle owners, chassis builders, engine builders, and drivetrain specialists confirm the correct transmission before ordering.
The 1.64 ratio is an important performance specification for matching the transmission to engine output, vehicle weight, rear gear, tire size, converter setup, and track use. Buyers should confirm that this ratio is correct for their intended racing combination.
The Vasco Extreme Duty specification points to a strength-focused transmission build designed for demanding performance use. The SuperCase and extended housing also support the transmission’s race-focused purpose.
The included trans-brake is an important feature for race launch control. Buyers should confirm wiring, activation method, shifter compatibility, converter setup, and class/rules requirements before installation.
Because this is a race-focused Powerglide transmission, compatibility should be confirmed carefully before purchase. Supporting components such as the torque converter, flexplate, shifter, transmission cooler, cooler lines, fluid, dipstick, mount, crossmember, driveshaft/yoke setup, and wiring may be required separately depending on the application.
Fitment and Application Details
The ATI Performance Products ATI201444 automatic transmission should be matched carefully to the intended vehicle, engine, chassis, converter, driveline, and racing application before ordering. Powerglide racing transmission fitment can vary by bellhousing setup, case configuration, output shaft requirements, converter compatibility, flexplate, transmission mount, crossmember, driveshaft length, yoke type, shifter setup, cooler routing, and trans-brake wiring.
Important details to confirm include vehicle make, engine platform, bellhousing compatibility, converter requirements, flexplate compatibility, converter bolt pattern, crankshaft pilot fitment, 1.64 ratio suitability, 28-spline configuration, SuperCase fitment, extended housing clearance, transmission mount location, crossmember position, driveshaft length, yoke requirements, shifter compatibility, trans-brake wiring, activation switch setup, cooler requirements, fluid requirements, dipstick setup, safety shield requirements, and installation hardware.
This transmission is listed with a SuperCase and extended housing, so buyers should confirm chassis clearance, tunnel fitment, crossmember position, and driveshaft requirements before installation.
The 28-spline configuration should be matched to the correct converter, input/output arrangement, or drivetrain components required for the build.
The trans-brake requires proper wiring and activation setup. Buyers should confirm the required electrical components before installation.
For a complete installation, additional components may be required, including a torque converter, flexplate, transmission cooler, cooler lines, shifter, shifter cable, trans-brake wiring, activation switch, transmission fluid, dipstick, mount, crossmember hardware, driveshaft/yoke components, safety equipment, and vehicle-specific installation parts.
Build Quality and Reliability
The ATI Performance Products Automatic Transmissions ATI201444 is built for demanding racing and high-performance automatic transmission applications. Powerglide transmissions are widely used in drag racing and performance builds because of their simplicity, strength potential, and consistency when matched correctly to the vehicle.
This model’s High Impact and Vasco Extreme Duty description makes it suitable for buyers looking for a strength-focused ATI Powerglide transmission. The SuperCase provides a serious case foundation for racing use, while the extended housing supports the listed transmission configuration.
The included trans-brake is a major performance feature for racers who need consistent staging and launch control. When paired with the correct converter, shifter, wiring, and vehicle setup, a trans-brake-equipped Powerglide can support strong, repeatable race launches.
The 1.64 ratio gives builders a specific gear ratio to work with when dialing in engine powerband, converter behavior, rear gear selection, tire size, and launch characteristics.
Because this is a specialized racing transmission, proper setup is essential. Confirming all fitment, converter, driveline, cooling, wiring, and safety requirements before installation helps support reliable performance.
What Makes This Transmission a Strong Choice
The ATI Performance Products ATI201444 Powerglide transmission is a strong choice for buyers who need a serious automatic racing transmission with ATI performance engineering and race-focused components.
The Powerglide platform is a popular choice for many racing builds because of its straightforward design and strong performance potential when built correctly.
The 1.64 Vasco Extreme Duty specification makes this unit appealing for builders who need a strength-focused racing transmission with a specific gear ratio.
The SuperCase provides a strong foundation for high-performance use, while the extended housing supports the listed transmission configuration.
The trans-brake adds launch-control capability for drag racing and competition applications.
The 28-spline configuration is an important drivetrain detail that should be confirmed against the intended converter, shaft, and driveline setup before ordering.
For race teams, chassis builders, drivetrain specialists, and performance shops, this transmission offers a part-number-specific ATI solution for serious racing builds.
Ideal Buyers and Use Cases
The ATI Performance Products Automatic Transmissions ATI201444 is ideal for drag racers, race teams, performance builders, chassis shops, engine builders, drivetrain specialists, competition vehicle owners, race-prep garages, and high-performance service departments that need a strong Powerglide automatic racing transmission.
It is suitable for performance applications requiring a PG High Impact transmission, 1.64 ratio, Vasco Extreme Duty build, SuperCase, extended housing, 28-spline configuration, and trans-brake.
This product is useful for drag racing vehicles, bracket cars, heads-up race builds, high-output street-strip projects, purpose-built competition cars, and Powerglide drivetrain upgrades where launch control and transmission strength are important.
It is also a practical choice for professional builders confirming supporting components such as the torque converter, flexplate, shifter, trans-brake wiring, cooler, cooler lines, fluid, dipstick, transmission mount, driveshaft/yoke setup, and safety equipment.
The best buyer for this transmission is someone who can confirm the vehicle, engine, converter, chassis, and racing application before ordering.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | ATI Performance Products Automatic Transmissions ATI201444 |
| Brand | ATI Performance Products |
| Manufacturer’s Part Number | ATI201444 |
| Part Type | Automatic Transmissions |
| Summit Racing Part Number | ATI-201444 |
| UPC | 800157084317 |
| Transmission Platform | PG / Powerglide |
| Transmission Type | Automatic racing transmission |
| Product Description | High Impact 1.64 Vasco Extreme Duty transmission |
| Gear Ratio | 1.64 |
| Case | SuperCase |
| Housing | Extended housing |
| Spline Configuration | 28 |
| Trans-Brake | Yes |
| Torque Converter Included | Confirm before ordering |
| Flexplate Included | Confirm before ordering |
| Shifter Included | Confirm before ordering |
| Transmission Cooler Included | Confirm before ordering |
| Wiring Included | Confirm trans-brake wiring requirements before ordering |
| Transmission Fluid Included | Confirm before ordering |
| Dipstick Included | Confirm before ordering |
| Vehicle/Engine Compatibility | Confirm before ordering |
| Quantity | Confirm before ordering |
| Fitment Method | Confirm using ATI201444 part number, vehicle setup, engine details, and drivetrain requirements |
| Compatibility Support | Confirm fitment before ordering |
Ordering Support and Fitment Guidance
Before ordering the ATI Performance Products Automatic Transmissions ATI201444, confirm that the transmission matches your engine, chassis, converter, driveline, and racing application.
Important details to verify include vehicle make, engine platform, bellhousing compatibility, converter requirements, flexplate compatibility, converter bolt pattern, crankshaft pilot fitment, 1.64 ratio suitability, 28-spline configuration, SuperCase fitment, extended housing clearance, transmission mount location, crossmember position, driveshaft length, yoke setup, shifter compatibility, trans-brake wiring, activation switch setup, cooler system, transmission fluid requirements, dipstick setup, and race safety requirements.
Because this transmission includes a trans-brake, buyers should confirm the correct wiring, activation method, shifter compatibility, and class rules before installation.
The SuperCase and extended housing should be checked against chassis clearance, mount location, tunnel clearance, and driveline length before purchase.
Our team can help confirm compatibility using the ATI201444 part number, vehicle details, engine setup, converter information, and drivetrain requirements before purchase.
Frequently Asked Questions
What is the ATI Performance Products ATI201444 transmission?
The ATI201444 is a Powerglide automatic racing transmission from ATI Performance Products. It is listed as a High Impact 1.64 Vasco Extreme Duty transmission with SuperCase, extended housing, 28-spline configuration, and trans-brake.
Is this a Powerglide transmission?
Yes. The product description identifies it as a PG transmission, which refers to a Powerglide automatic transmission platform.
What gear ratio does this transmission have?
This transmission is listed with a 1.64 ratio. Buyers should confirm that this ratio matches the vehicle’s engine powerband, converter setup, rear gear, tire size, vehicle weight, and intended racing use.
Does this transmission include a trans-brake?
Yes. This model is listed with a trans-brake. Buyers should confirm trans-brake wiring, activation method, shifter compatibility, and race application requirements before installation.
What does Vasco Extreme Duty mean?
The Vasco Extreme Duty description identifies this as a strength-focused performance transmission configuration. Buyers should confirm all application requirements before ordering.
Does this transmission include a SuperCase?
Yes. This transmission is listed with a SuperCase, which is an important feature for high-performance Powerglide racing applications.
Does this transmission have an extended housing?
Yes. The product description lists extended housing. Buyers should confirm chassis clearance, mount position, and driveline requirements before installation.
What does the 28 specification refer to?
The product description lists 28 in connection with the SuperCase and extended housing configuration. Buyers should confirm the exact 28-spline or related drivetrain requirement before ordering.
Is this transmission sold with a torque converter?
Torque converter inclusion should be confirmed before ordering because it is not specified in the provided product details.
Is this a complete installation kit?
Included components should be confirmed before purchase. Buyers should verify whether the torque converter, flexplate, shifter, cooler, fluid, dipstick, trans-brake wiring, yoke, and other installation parts are included or required separately.
Who is this transmission best for?
This transmission is best for drag racers, race teams, performance builders, chassis shops, engine builders, and drivetrain specialists who need a strong ATI Powerglide racing transmission with trans-brake capability.

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