Description
Product Overview
The TCI StreetFighter Transmissions 371000 is designed for Chevy performance applications that need stronger shift response, dependable street-machine durability, and the flexibility of automatic or manual gear selection. As part of the TCI StreetFighter Transmissions line, this unit is built to withstand the demands of tough street cars while keeping the driving convenience expected from an automatic transmission.
This transmission is identified by Manufacturer’s Part Number 371000, Summit Racing Part Number TCI-371000, and UPC 788120007177. These identifiers help Chevy performance builders, muscle car owners, hot rod builders, restoration shops, mechanics, custom vehicle shops, transmission installers, service departments, and drivetrain specialists confirm the correct TCI StreetFighter transmission before ordering.
The transmission features a 4-speed configuration, Chevy bellhousing bolt pattern, forward shift pattern, and automatic/manual valve body. The automatic/manual valve body gives most StreetFighter units the ability to be shifted manually through each gear or driven in normal drive mode for fully automatic operation.
The 650 horsepower advertised rating makes this transmission a strong option for compatible high-performance Chevy street and street/strip applications when properly matched to the engine, torque converter, flexplate, rear gear, tire size, vehicle weight, cooling system, lockup-control setup, shifter, and intended use.
This transmission is listed as lockup compatible, making torque converter selection and lockup-control planning important before installation.
The special attention note states that this transmission is designed for use with gear-driven electronic or mechanical sending units and will not accept reluctor-style speedometer sending units. It is also listed as ideal for non-supercharged pump gas vehicles.
This transmission uses a stock steel pan, 7.500-inch tailshaft, slip-on yoke style, 30-spline input, 3.06 first gear ratio, OEM-style natural aluminum case, and case-fill location. It is listed as remanufactured and sold individually.
The torque converter is not included, the flexplate is not included, the transmission controller is not included, the wiring harness is not included, the transmission cooler is not included, transmission fluid is not included, dipstick is not included, and the shift lever is not included, so buyers should plan all supporting components before installation.
This transmission also ships without the speedometer driven gear or its housing. If replacing the same model transmission, these components may be reused from the existing unit. If not, they must be purchased separately.
Fitment and Application Details
The TCI 371000 StreetFighter transmission should be matched carefully to the intended Chevy application before ordering. Automatic transmission fitment can vary by vehicle year, engine platform, bellhousing compatibility, torque converter setup, flexplate requirements, lockup-control needs, tailshaft length, yoke style, speedometer sender type, speedometer driven gear setup, shifter compatibility, shift lever requirements, transmission mount location, crossmember position, driveshaft length, cooler routing, fluid fill location, and installation hardware.
Important fitment details to verify include vehicle year, make, model, engine platform, Chevy bellhousing bolt pattern, original transmission family, drivetrain layout, torque converter compatibility, flexplate compatibility, converter bolt pattern, crankshaft pilot fitment, 7.500-inch tailshaft fitment, slip-on yoke compatibility, 30-spline input compatibility, lockup-control setup, gear-driven electronic or mechanical speedometer sender compatibility, speedometer driven gear and housing requirements, shifter compatibility, shift lever requirements, automatic/manual valve body operation, transmission mount location, crossmember position, driveshaft length, cooler line routing, transmission cooler requirements, fluid specifications, dipstick setup, and vehicle-specific installation hardware.
Because this transmission is designed for gear-driven electronic or mechanical sending units, buyers should confirm the vehicle’s speedometer system before ordering. This transmission will not accept reluctor-style speedometer sending units.
Because the speedometer driven gear and housing are not included, buyers should confirm whether the original components can be reused or whether new speedometer drive parts must be purchased separately.
Because the shift lever is not included, buyers should confirm the correct shift lever, shifter linkage, cable, bracket, and automatic/manual valve body compatibility before installation.
Because the torque converter is not included, converter selection should be matched to the engine output, camshaft profile, vehicle weight, rear gear, tire size, stall requirement, lockup needs, and intended street or strip use.
Because the flexplate is not included, buyers should confirm the correct flexplate for the engine, crankshaft, converter bolt pattern, balance type, and starter setup.
Because the transmission cooler is not included, a proper cooler setup should be planned before installation, especially for high-performance street cars, street/strip use, warm climates, cruising, and repeated performance driving.
For a complete installation, additional components may be required, including a torque converter, flexplate, lockup-control components, transmission cooler, cooler lines, transmission fluid, dipstick, speedometer driven gear, speedometer gear housing, shift lever, shifter components, transmission mount, crossmember hardware, driveshaft/yoke components, seals, and vehicle-specific installation parts.
Build Quality and Reliability
The TCI StreetFighter Transmissions 371000 is built for buyers who need a durable Chevy automatic transmission for serious street-machine use. TCI StreetFighter transmissions are engineered to handle the demands of tough street vehicles while delivering firm, race-inspired shift performance.
The StreetFighter line uses a manual/automatic valve body. In manual gear-selection mode, the transmission is designed to upshift and downshift when the lever is moved, with no lag or governor override. In normal drive mode, it retains positive automatic shifts for the ease of driving expected from an automatic transmission.
The 650 horsepower rating gives the TCI 371000 strong appeal for compatible non-supercharged pump gas vehicles and street/strip Chevy applications when matched correctly to the full vehicle combination.
The 3.06 first gear ratio is useful for launch feel and low-speed acceleration planning, especially when paired with the right torque converter, rear gear, tire size, and vehicle weight.
The lockup compatibility supports converter lockup operation when properly configured with the correct converter and control components.
The 7.500-inch tailshaft, slip-on yoke style, 30-spline input, and OEM natural aluminum case provide important compatibility details for professional installers and performance builders.
Because this transmission is sold individually and does not include several supporting parts, correct component matching is essential. Buyers should confirm converter selection, flexplate compatibility, speedometer sender type, speedometer gear setup, shift lever needs, lockup-control setup, cooling capacity, fluid fill setup, shifter compatibility, driveline length, and vehicle-specific hardware before installation.
What Makes This Transmission a Strong Choice
The TCI StreetFighter 371000 transmission is a strong choice for buyers who need a compatible Chevy 4-speed automatic transmission for high-performance street use.
The 650 horsepower rating gives it strong performance appeal for compatible non-supercharged pump gas vehicles.
The automatic/manual valve body gives drivers both manual gear-selection control and fully automatic driving convenience.
The lockup compatibility supports converter lockup operation when correctly matched.
The 3.06 first gear ratio supports strong acceleration planning for compatible street and street/strip builds.
The 7.500-inch tailshaft, slip-on yoke, and 30-spline input provide important driveline fitment details.
The transmission is designed for gear-driven electronic or mechanical sending units, helping buyers verify speedometer compatibility before purchase.
The exact 371000 manufacturer part number, TCI-371000 Summit Racing part number, and UPC 788120007177 support accurate product identification before ordering.
Ideal Buyers and Use Cases
The TCI StreetFighter Transmissions 371000 is ideal for Chevy performance builders, muscle car owners, street/strip racers, hot rod builders, restoration shops, custom vehicle shops, mechanics, transmission installers, service departments, and drivetrain specialists who need a compatible 4-speed automatic transmission.
It is suitable for compatible Chevy applications requiring a remanufactured automatic transmission, Chevy bellhousing bolt pattern, automatic/manual valve body, 650 horsepower rating, lockup compatibility, 3.06 first gear ratio, 7.500-inch tailshaft, slip-on yoke, 30-spline input, and gear-driven speedometer sender compatibility.
This product is useful for high-performance street cars, street/strip vehicles, non-supercharged pump gas builds, muscle cars, hot rods, classic Chevy projects, restomods, weekend cruisers, and performance vehicles where firm racetrack-style shifts and automatic drivability are both important.
It is also a practical choice for professional installers confirming supporting components such as the torque converter, flexplate, transmission cooler, cooler lines, transmission fluid, dipstick, shift lever, speedometer driven gear, speedometer gear housing, lockup-control setup, transmission mount, crossmember, driveshaft/yoke setup, and installation hardware.
The best buyer for this transmission is someone who can confirm the Chevy engine fitment, original transmission details, converter requirements, flexplate setup, 7.500-inch tailshaft, slip-on yoke, speedometer sender type, speedometer gear needs, shift lever requirements, cooling setup, and shifter compatibility before ordering.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | TCI StreetFighter Transmissions 371000 |
| Brand | TCI Auto |
| Manufacturer’s Part Number | 371000 |
| Part Type | Automatic Transmissions |
| Product Line | TCI StreetFighter Transmissions |
| Summit Racing Part Number | TCI-371000 |
| UPC | 788120007177 |
| Number of Gears | 4 |
| Bellhousing Bolt Pattern Manufacturer | Chevy |
| Transmission Shift Pattern | Forward |
| Valve Body Style | Automatic/Manual |
| Transmission Advertised Horsepower Rating | 650 |
| Torque Converter Included | No |
| Flexplate Included | No |
| Transmission Controller Included | No |
| Wiring Harness Included | No |
| Transmission Cooler Included | No |
| Trans-Brake Included | No |
| Lockup Compatible | Yes |
| Transmission Pan Style | Stock |
| Transmission Pan Material | Steel |
| Tailshaft Length | 7.500 in. |
| Yoke Style | Slip-on |
| Input Spline Quantity | 30 |
| First Gear Ratio | 3.06 |
| Transmission Case Style | OEM |
| Transmission Case Material | Aluminum |
| Transmission Case Finish | Natural |
| Transmission Shield Built In | No |
| Flexplate Shield Built In | No |
| Fluid Fill Location | Case |
| Transmission Fluid Included | No |
| Dipstick Included | No |
| Shift Lever Included | No |
| Speedometer Sending Unit Compatibility | Gear-driven electronic or mechanical sending units |
| Reluctor-Style Speedometer Sender Compatibility | Not compatible |
| Speedometer Gear / Housing | Not included |
| Recommended Vehicle Type | Ideal for non-supercharged pump gas vehicles |
| Remanufactured | Yes |
| Quantity | Sold individually |
| StreetFighter Features | Automatic/manual valve body, manual or automatic operation, firm racetrack-style shifts |
| Intended Use | High-performance street machines and street/strip applications |
| Compatibility Support | Confirm fitment before ordering |
Ordering Support and Fitment Guidance
Before ordering the TCI StreetFighter Transmissions 371000, confirm that the transmission matches your Chevy application, engine platform, converter requirements, lockup-control setup, speedometer system, and driveline layout.
Important details to verify include vehicle year, make, model, engine platform, Chevy bellhousing bolt pattern, original transmission family, drivetrain layout, torque converter compatibility, flexplate compatibility, converter bolt pattern, crankshaft pilot fitment, 7.500-inch tailshaft fitment, slip-on yoke compatibility, 30-spline input compatibility, lockup-control setup, gear-driven electronic or mechanical speedometer sender compatibility, speedometer driven gear and housing requirements, shift lever requirements, shifter compatibility, automatic/manual valve body operation, transmission mount location, crossmember position, driveshaft length, cooler line routing, transmission cooler requirements, fluid requirements, dipstick setup, and installation hardware.
This transmission is sold individually. It does not include the torque converter, does not include the flexplate, does not include the transmission controller, does not include the wiring harness, does not include the transmission cooler, does not include transmission fluid, does not include a dipstick, and does not include the shift lever.
This transmission is designed for gear-driven electronic or mechanical sending units and will not accept reluctor-style speedometer sending units.
This transmission also ships without the speedometer driven gear or its housing. If replacing the same model transmission, those parts may be reused from the existing unit. If not, they must be purchased separately.
Our team can help confirm compatibility using the 371000 part number, original transmission details, Chevy engine setup, converter requirements, tailshaft length, speedometer sender type, speedometer gear needs, shift lever requirements, shifter setup, lockup-control requirements, cooling layout, and drivetrain information before ordering.
Frequently Asked Questions
What is the TCI StreetFighter 371000 transmission?
The TCI StreetFighter 371000 is a 4-speed remanufactured Chevy automatic transmission with an automatic/manual valve body, 650 horsepower rating, lockup compatibility, 3.06 first gear ratio, 7.500-inch tailshaft, slip-on yoke style, and 30-spline input.
How many gears does this transmission have?
This transmission has 4 gears.
What horsepower rating does this transmission have?
The transmission advertised horsepower rating is 650 horsepower. Buyers should confirm suitability for the exact engine output, vehicle weight, converter, rear gear, tire size, cooling system, and intended use.
What vehicle type is this transmission ideal for?
The special attention note states that this transmission is ideal for non-supercharged pump gas vehicles.
What bellhousing bolt pattern does this transmission use?
This transmission is listed with a Chevy bellhousing bolt pattern. Buyers should confirm exact engine, vehicle, converter, flexplate, starter, and installation compatibility before ordering.
What valve body style does this transmission use?
This transmission uses an automatic/manual valve body. Most TCI StreetFighter units allow manual gear selection or fully automatic operation in drive.
Does this transmission include a torque converter?
No. The torque converter is not included. Buyers should select the correct converter for the engine combination, stall requirement, lockup needs, vehicle weight, rear gear, tire size, and intended use.
Does this transmission include a flexplate?
No. The flexplate is not included. Buyers should confirm the correct flexplate for the engine, crankshaft, converter bolt pattern, balance type, and starter setup.
Does this transmission include a transmission cooler?
No. The transmission cooler is not included. Buyers should plan the correct cooler setup before installation.
Does this transmission include fluid, dipstick, or shift lever?
No. Transmission fluid is not included, dipstick is not included, and the shift lever is not included.
Does this transmission include a trans-brake?
No. The trans-brake is not included.
Is this transmission lockup compatible?
Yes. This transmission is listed as lockup compatible. Buyers should confirm converter and lockup-control requirements before installation.
What is the first gear ratio?
The listed first gear ratio is 3.06.
What is the tailshaft length?
The listed tailshaft length is 7.500 inches.
What speedometer sending units will this transmission accept?
This transmission is designed for gear-driven electronic or mechanical sending units. It will not accept reluctor-style speedometer sending units.
Does it include the speedometer driven gear and housing?
No. This transmission ships without the speedometer driven gear or its housing. If replacing the same model transmission, those components may be reused from the existing unit. If not, they must be purchased separately.
Is this transmission remanufactured?
Yes. This transmission is listed as remanufactured.
Who is this transmission best for?
This transmission is best for Chevy performance builders, muscle car owners, hot rod builders, street/strip racers, custom vehicle shops, mechanics, transmission installers, and drivetrain specialists who need a compatible TCI StreetFighter 4-speed automatic transmission rated at 650 horsepower.


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