Description
Product Overview
The TCI Street Rodder Transmissions 371038 is designed for buyers who want an economical, street-friendly automatic transmission for compatible Chevy applications. As part of the TCI Street Rodder Transmissions line, this unit is a strong fit for mild daily drivers, street rods, small block-powered vehicles, weekend cruisers, and classic Chevy builds where dependable automatic operation and improved shift feel are important.
This transmission is identified by Manufacturer’s Part Number 371038, Summit Racing Part Number TCI-371038, and UPC 788120031547. These identifiers help Chevy owners, small block builders, street rod builders, restoration shops, mechanics, transmission installers, custom vehicle shops, service departments, and drivetrain specialists confirm the correct TCI transmission before ordering.
The transmission features a 4-speed configuration, Chevy bellhousing bolt pattern, forward shift pattern, and automatic valve body. It remains fully automatic while using a TCI automatic valve body and valve body improver kit to deliver firmer shifts without making the vehicle feel too harsh for normal street use.
The overview lists a 525 horsepower advertised transmission rating, while the Street Rodder line description also notes ideal use for small block-powered vehicles producing up to 400 horsepower. For best fitment and durability planning, buyers should confirm the intended vehicle power level, engine combination, converter selection, rear gear, tire size, vehicle weight, and driving use before ordering.
This transmission is listed as lockup compatible, making converter selection and lockup-control planning important for compatible applications.
The transmission uses a stock pan style, 30-spline input, 3.06 first gear ratio, OEM-style 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, and the dipstick 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, those parts may be reused from the existing unit. If not, they must be purchased separately.
Fitment and Application Details
The TCI 371038 Street Rodder transmission should be matched carefully to the intended Chevy application before ordering. Automatic transmission fitment can vary by vehicle year, engine platform, bellhousing pattern, torque converter setup, flexplate requirements, lockup-control requirements, speedometer gear setup, transmission mount location, crossmember position, driveshaft length, yoke style, cooler routing, fluid fill location, shifter compatibility, 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, lockup-control setup, wiring needs, speedometer driven gear and housing requirements, shifter compatibility, transmission mount location, crossmember position, driveshaft length, yoke requirements, cooler line routing, transmission cooler requirements, fluid specifications, dipstick setup, and installation hardware.
Because the torque converter is not included, buyers should select the correct converter for the engine output, camshaft profile, vehicle weight, rear gear, tire size, intended driving style, and lockup-control requirements.
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 street rods, cruisers, and vehicles used regularly in warm or demanding driving conditions.
Because this transmission ships without the speedometer driven gear or housing, buyers should confirm whether the original parts can be reused or whether new speedometer drive components must be purchased separately.
For a complete installation, additional components may be required, including a torque converter, flexplate, lockup wiring or control components, transmission cooler, cooler lines, transmission fluid, dipstick, speedometer driven gear, speedometer gear housing, shifter components, transmission mount, crossmember hardware, driveshaft/yoke components, seals, and vehicle-specific installation hardware.
Build Quality and Reliability
The TCI Street Rodder Transmissions 371038 is built for buyers who want practical street performance and dependable fully automatic operation. The Street Rodder line is designed for mild daily drivers and street rods, especially compatible small block-powered vehicles where improved shift feel and everyday drivability are both important.
This transmission uses a TCI automatic valve body and valve body improver kit. That combination helps provide a firmer, more confident shift while keeping operation fully automatic and comfortable enough for regular street use.
The 4-speed configuration gives this transmission strong street-cruising appeal, while the 3.06 first gear ratio supports practical low-speed acceleration when matched correctly with the converter, rear gear, tire size, and vehicle weight.
The lockup compatibility supports converter lockup operation when properly configured with the correct supporting components.
The 30-spline input and OEM aluminum case provide important fitment and build details for buyers confirming drivetrain compatibility.
Because this transmission is sold individually, proper component matching is important. Buyers should confirm converter selection, flexplate compatibility, cooling capacity, speedometer gear needs, fluid fill setup, shifter compatibility, driveline length, and vehicle-specific hardware before installation.
What Makes This Transmission a Strong Choice
The TCI Street Rodder 371038 transmission is a strong choice for buyers who need a compatible Chevy 4-speed automatic transmission for a mild daily driver, street rod, or cruiser.
The automatic valve body keeps operation fully automatic and street-friendly.
The valve body improver kit supports firmer shifts without making the vehicle too harsh for street use.
The lockup compatibility supports converter lockup function when properly configured.
The 3.06 first gear ratio is a valuable specification for acceleration and gearing planning.
The 30-spline input and OEM aluminum case help buyers verify key drivetrain details.
The Street Rodder line is designed for small block-powered vehicles, mild daily drivers, and street rods.
The exact 371038 manufacturer part number, TCI-371038 Summit Racing part number, and UPC 788120031547 support accurate product identification before ordering.
Ideal Buyers and Use Cases
The TCI Street Rodder Transmissions 371038 is ideal for street rod builders, Chevy small block builders, restoration shops, custom vehicle shops, mild street-machine owners, classic car builders, 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 valve body, lockup compatibility, 30-spline input, 3.06 first gear ratio, and street-friendly shift feel.
This product is useful for mild daily drivers, street rods, street cruisers, classic Chevy builds, small block-powered vehicles, weekend cruisers, and performance street cars where fully automatic operation and firmer shifts are desired.
It is also a practical choice for professional installers confirming supporting components such as the torque converter, flexplate, lockup-control wiring, transmission cooler, cooler lines, transmission fluid, dipstick, speedometer driven gear, speedometer gear housing, shifter compatibility, 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 suitability, flexplate requirements, lockup-control setup, speedometer gear needs, cooling layout, and supporting installation parts before ordering.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | TCI Street Rodder Transmissions 371038 |
| Brand | TCI Auto |
| Manufacturer’s Part Number | 371038 |
| Part Type | Automatic Transmissions |
| Product Line | TCI Street Rodder Transmissions |
| Summit Racing Part Number | TCI-371038 |
| UPC | 788120031547 |
| Number of Gears | 4 |
| Bellhousing Bolt Pattern Manufacturer | Chevy |
| Transmission Shift Pattern | Forward |
| Valve Body Style | Automatic |
| Transmission Advertised Horsepower Rating | 525 |
| Street Rodder Line Power Guidance | Ideal for small block-powered vehicles producing up to 400 hp |
| 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 |
| Input Spline Quantity | 30 |
| First Gear Ratio | 3.06 |
| Transmission Case Style | OEM |
| Transmission Case Material | Aluminum |
| Transmission Shield Built In | No |
| Flexplate Shield Built In | No |
| Fluid Fill Location | Case |
| Transmission Fluid Included | No |
| Dipstick Included | No |
| Speedometer Gear / Housing | Not included |
| Remanufactured | Yes |
| Quantity | Sold individually |
| Street Rodder Features | TCI automatic valve body and valve body improver kit |
| Shift Character | Firmer, street-friendly shifts while remaining fully automatic |
| Intended Use | Mild daily drivers, street rods, and street cruisers |
| Compatibility Support | Confirm fitment before ordering |
Ordering Support and Fitment Guidance
Before ordering the TCI Street Rodder Transmissions 371038, confirm that the transmission matches your Chevy application, engine platform, converter requirements, lockup-control needs, speedometer setup, 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, lockup-control setup, wiring needs, speedometer driven gear and housing requirements, shifter compatibility, transmission mount location, crossmember position, driveshaft length, yoke setup, 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, and does not include a dipstick.
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 371038 part number, original transmission details, Chevy engine setup, converter requirements, lockup-control setup, speedometer gear needs, cooling layout, and drivetrain information before ordering.
Frequently Asked Questions
What is the TCI Street Rodder 371038 transmission?
The TCI Street Rodder 371038 is a 4-speed remanufactured Chevy automatic transmission with an automatic valve body, lockup compatibility, 30-spline input, and 3.06 first gear ratio. It is designed for compatible mild daily drivers, street rods, and street cruisers.
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 525 horsepower. The Street Rodder line description also notes ideal use for small block-powered vehicles producing up to 400 horsepower, so buyers should confirm the intended power level and application before ordering.
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, and installation compatibility before ordering.
Does this transmission include a torque converter?
No. The torque converter is not included. Buyers should choose the correct converter for the engine, stall requirement, lockup needs, vehicle weight, rear gear, 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 cooler?
No. The transmission cooler is not included. Buyers should plan the correct cooler setup before installation.
Does this transmission include fluid or a dipstick?
No. Transmission fluid is not included, and the dipstick 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.
Does this transmission include a trans-brake?
No. The trans-brake is not included.
What is the first gear ratio?
The listed first gear ratio is 3.06.
Does this transmission 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 fully automatic?
Yes. The TCI Street Rodder 371038 uses an automatic valve body and remains fully automatic while providing firmer, street-friendly shifts.
Is this transmission remanufactured?
Yes. This transmission is listed as remanufactured.
Who is this transmission best for?
This transmission is best for street rod builders, Chevy small block builders, restoration shops, classic car builders, mechanics, transmission installers, and drivetrain specialists who need a compatible TCI Street Rodder 4-speed automatic transmission with lockup compatibility and fully automatic operation.
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