Description
TCI StreetFighter Transmissions 211390 – Professional Overview
The TCI StreetFighter Transmissions 211390 is part of TCI Auto’s StreetFighter range of performance automatic transmissions. This particular unit combines a traditional three-speed automatic layout with a performance-focused automatic/manual valve body, giving the driver greater control over gear selection when required.
The transmission is built around an OEM-style aluminum case and is supplied as a remanufactured unit. TCI’s StreetFighter range is intended for street machines and performance applications where responsive shifting and increased durability are important.
With an advertised 725 horsepower rating, the 211390 occupies a position above many conventional replacement transmissions while remaining oriented toward street use rather than dedicated drag-racing competition.
The BOP bellhousing pattern makes application compatibility an important consideration. Buyers should verify the engine, bellhousing, tailshaft, driveshaft, and shifter configuration before selecting this transmission.
Compatibility and Intended Applications
The 211390 uses a BOP bellhousing bolt pattern, making it intended for compatible Buick, Oldsmobile, and Pontiac-style applications that use the corresponding transmission mounting arrangement.
Its 9.000-inch tailshaft and slip-on yoke configuration are also important when confirming drivetrain compatibility. These dimensions can affect driveshaft length and overall installation requirements.
The transmission uses a 30-spline input and has a 2.48:1 first gear ratio. These characteristics provide the drivetrain configuration needed for compatible performance street applications while retaining the familiar operating characteristics of a three-speed automatic.
The forward shift pattern and automatic/manual valve body allow the transmission to operate as a conventional automatic when placed in the appropriate driving position. Manual gear selection can also be used where the application and shifter configuration support it.
Built for Responsive Street Performance
TCI StreetFighter transmissions are designed around the demands of performance-oriented street vehicles. The manufacturer describes the StreetFighter design as providing firm, performance-focused shifts while retaining automatic driving functionality.
The 211390 uses an automatic/manual valve body, allowing the transmission to provide both automatic operation and manual gear selection. This makes the unit more versatile than a transmission designed exclusively for manual shifting.
When operated automatically, the transmission is intended to retain positive shifts for normal street driving. When manually selected, the valve-body configuration is designed to respond directly to driver gear selection.
The transmission is also removable and replaceable as a complete remanufactured unit, making it relevant to buyers replacing an existing performance transmission or upgrading a compatible street vehicle.
Construction and Internal Configuration
The 211390 features an aluminum transmission case with a black finish and an OEM-style case design. The stock-style steel transmission pan receives a chrome finish, providing the appearance associated with TCI’s performance transmission range.
The unit is remanufactured rather than new. Its construction follows the StreetFighter philosophy of upgrading and preparing automatic transmissions for more demanding street-performance use.
TCI states that StreetFighter transmissions undergo testing intended to verify transmission operation, internal fluid pressures, and shift characteristics. This focus on testing is important for buyers looking for a remanufactured performance transmission rather than an untreated used core.
The transmission does not have a built-in transmission shield or flexplate shield, so those components should be considered separately where required by the vehicle or intended application.
Why the 211390 Makes Sense for a Performance Street Build
The most important advantage of the 211390 is the combination of 725 HP capability and automatic/manual operation.
For a performance street vehicle, the ability to retain automatic operation while also allowing manual gear selection can provide a useful balance between everyday drivability and driver control.
The 2.48 first gear ratio provides the gearing expected from this transmission configuration, while the 30-spline input provides compatibility with the corresponding drivetrain components.
The 9-inch tailshaft is another defining characteristic. Buyers replacing an existing transmission should compare their current tailshaft length and driveshaft arrangement rather than assuming that all three-speed automatic transmissions will interchange directly.
Because the transmission is sold without a torque converter, flexplate, cooler, dipstick, or fluid, buyers can select the supporting components appropriate to their specific engine and vehicle configuration.
Who This Transmission Is Best For
The 211390 is best suited to performance street-car owners, classic-car builders, restomod projects, and enthusiasts using compatible BOP applications.
It is particularly relevant when a vehicle needs a remanufactured three-speed automatic with a higher performance orientation than a standard replacement transmission.
The 725 HP advertised rating makes it suitable for appropriately matched performance applications, although actual transmission suitability depends on the engine’s torque output, vehicle weight, gearing, driving conditions, and overall drivetrain configuration.
This is not a dedicated full-manual competition transmission. Its automatic/manual valve body instead gives it a broader range of street-oriented functionality.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | TCI Auto |
| Manufacturer Part Number | 211390 |
| Product Line | TCI StreetFighter Transmissions |
| Part Type | Automatic Transmission |
| Number of Gears | 3 |
| Bellhousing Bolt Pattern | BOP |
| Shift Pattern | Forward |
| Valve Body Style | Automatic/Manual |
| Advertised Horsepower Rating | 725 HP |
| Torque Converter | Not Included |
| Flexplate | Not Included |
| Transmission Controller | Not Included |
| Wiring Harness | Not Included |
| Transmission Cooler | Not Included |
| Trans-Brake | Not Included |
| Lockup Compatible | No |
| Transmission Pan Style | Stock |
| Pan Material | Steel |
| Pan Finish | Chrome |
| Tailshaft Length | 9.000 in. |
| Yoke Style | Slip-on |
| Input Spline Quantity | 30 |
| First Gear Ratio | 2.48 |
| Transmission Case Style | OEM |
| Case Material | Aluminum |
| Case Finish | Black |
| Transmission Shield | Not Built In |
| Flexplate Shield | Not Built In |
| Fluid Fill Location | Case |
| Transmission Fluid | Not Included |
| Dipstick | Not Included |
| Remanufactured | Yes |
| Quantity | Sold individually |
| Summit Racing Part Number | TCI-211390 |
| UPC | 788120002080 |
Important Details Before Ordering
The 211390 is sold as a complete remanufactured transmission unit, but several supporting components are not included. The buyer should therefore account for the required torque converter, flexplate, transmission cooler, dipstick, and transmission fluid when planning the installation.
Another important consideration is the speedometer equipment. TCI notes that these transmissions are shipped without the speedometer driven gear or its housing. When replacing the same model, the existing components may be reused. Otherwise, the appropriate components must be purchased separately.
The 9-inch tailshaft should also be confirmed against the vehicle’s existing drivetrain. Transmission length affects driveshaft requirements, so verifying the physical configuration before ordering can prevent compatibility problems.
For buyers comparing options, reviewing the wider automatic transmissions category and related performance transmission products can help identify a configuration with the correct bellhousing pattern, tailshaft length, input spline, and power rating.
Ordering and Fitment Support
Before purchasing the TCI 211390, confirm the vehicle’s engine application, BOP bellhousing pattern, tailshaft requirements, input spline configuration, and intended power level.
The manufacturer’s part number 211390, Summit Racing part number TCI-211390, and UPC 788120002080 provide useful product-identification references when confirming the exact transmission.
Because the unit is supplied without several installation components, buyers should also verify whether their existing torque converter, flexplate, speedometer components, and other drivetrain parts are compatible.
Frequently Asked Questions
What is the TCI 211390 transmission?
The TCI 211390 is a remanufactured three-speed StreetFighter automatic transmission designed for compatible BOP applications. It features an automatic/manual valve body, 30-spline input, 2.48 first gear, 9-inch tailshaft, and an advertised 725 horsepower rating. It is intended primarily for performance-oriented street applications.
What engines use the TCI 211390?
The 211390 uses a BOP bellhousing bolt pattern, making it intended for compatible Buick, Oldsmobile, and Pontiac-style engine applications. Exact fitment depends on the engine, bellhousing, vehicle, driveshaft, and other drivetrain components, so the complete application should be verified before purchase.
How much horsepower is the TCI 211390 rated for?
TCI lists the 211390 with an advertised 725 horsepower rating. This makes it appropriate for many performance street applications when the transmission is correctly matched to the engine’s torque output, vehicle weight, gearing, and intended driving conditions.
Does the TCI 211390 include a torque converter?
No. The torque converter is not included with the 211390. The transmission is sold individually, so buyers must select a compatible torque converter separately based on the engine, vehicle, gearing, and intended use.
Can the TCI 211390 be shifted manually?
Yes. The transmission uses an automatic/manual valve body. This allows compatible applications to retain automatic operation while also providing manual gear-selection capability. The appropriate universal or compatible shifter configuration is required for manual operation.
What tailshaft does the TCI 211390 have?
The 211390 has a 9.000-inch tailshaft and uses a slip-on yoke. This measurement should be compared with the vehicle’s existing transmission and driveshaft arrangement because tailshaft length can affect overall drivetrain fitment.
Does the TCI 211390 include the speedometer driven gear?
No. TCI specifies that its transmissions are shipped without the speedometer driven gear or its housing. Existing components may be reused when replacing the same model, while a different application may require the appropriate speedometer components to be purchased separately.
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