A strong 4L80E towing converter pairs the correct transmission and engine fit with a low stall range suited to heavy loads; the TCI 242910 is the clearest match here. This roundup compares nine options, from the TCI’s specified 1000–1200 stall range to JEGS’ towing converter, listed at 200–300 RPM over stock, and several low-stall or stock-style choices. Fit details matter: products differ in engine compatibility, diameter, spline count, bolt circle, and stall speed, so a towing label alone is not enough to confirm a match.
Use the rankings to narrow the field, then verify your engine, transmission year, input shaft, mounting pattern, and converter requirements against the product listing and your vehicle before ordering.
The TCI 242910 Maximizer is the strongest listed choice for a 4L80E towing application because it is specified for 1992-and-up 4L80E/4L85E transmissions and a 1000–1200 stall range. TCI also says its design reduces slippage and can lower transmission temperature by as much as 20 degrees. If your build specifically calls for an LS-compatible converter with a modest increase over stock stall, the JEGS 60428 is a relevant alternative, listed at 200–300 RPM over stock.
Our Top Picks
Best OverallSpecifically designed for 1992-and-up 4L80E/4L85E towing, with a 1000–1200 stall range and a stated focus on reducing slippage and heat.
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Best LS Towing MatchDesigned for 4L80E/4L85E transmissions with LS engines, it offers only 200–300 RPM over stock and uses a 35-spline input.
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Best Extra-Low-Stall OptionIts extra-low-stall, heavy-duty towing design includes lockup, a 13.75-inch diameter, 35 splines, and an 11.5-inch bolt circle.
View on Amazon- Best Stock-Stall Option JEGS 60427 Stock-Style
Compare These 4L80E Torque Converter Options
| # | Product | Weight | Dimensions | Buy |
|---|---|---|---|---|
| 1 | 1. TCI 242910 MaximizerBest Overall | 61 lb | 15.2 x 13.9 x 7.8 in | View on Amazon |
| 2 | 2. JEGS 60428 Towing ConverterBest LS Towing Match | 59.2 lb | 13.7 x 13.3 x 7.9 in | View on Amazon |
| 3 | 3. TRANS_ONE Extra Low StallBest Extra-Low-Stall Option | 49 lb | — | View on Amazon |
| 4 | 4. Mybaux MB-GM81HDLow-stall 4L80E towing | 49 lb | — | View on Amazon |
| 5 | 5. Mybaux MB-L84HS-24Moderate-stall 4L80E engine builds | 49 lb | — | View on Amazon |
| 6 | 6. JEGS 60427 Stock-StyleBest Stock-Stall Option | 59.2 lb | 13.4 x 13.4 x 7.8 in | View on Amazon |
| 7 | 7. JEGS 60414 BilletHigh-power LS lockup builds | 37.2 lb | 14 x 14 x 8.9 in | View on Amazon |
| 8 | 8. JEGS 60413 Non-LSNon-LS high-stall applications | 37 lb | 14.6 x 14.4 x 8.6 in | View on Amazon |
| 9 | 9. Generic 2800–3200 StallHigh-stall builds up to 600 HP | 31.6 lb | — | View on Amazon |
Detailed Reviews: Best Torque Converter For Towing 4L80E

#1 · Best Overall
1. TCI 242910 Maximizer
- Weight: 61 lb
- Dimensions: 15.2 x 13.9 x 7.8 in
Best for: Heavy-load highway cruising.
Why it ranks #1: Specifically designed for 1992-and-up 4L80E/4L85E towing, with a 1000–1200 stall range and a stated focus on reducing slippage and heat.
TCI specifies the Maximizer for 1992-and-newer 4L80E and 4L85E applications, with a 1,000–1,200 RPM stall range aimed at towing. Its reduced-slippage approach is intended to lower operating heat, while reduced cruising RPM at highway speeds targets motor homes and other heavy-load vehicles.
The converter’s reduced slippage is described as a way to lower transmission operating temperatures, with the additional claim of reducing temperature by as much as 20 degrees. TCI also says the design reduces cruising RPM at highway speeds, a practical focus for tow vehicles and motor homes spending time on the road. The stated 1,000–1,200 stall range reinforces its low-stall towing role. Its listed application begins with 1992-and-up 4L80E and 4L85E transmissions, so year and transmission fit matter.
- Specified for 1992-and-newer 4L80E and 4L85E
- 1,000–1,200 RPM stall range
- Reduced slippage is intended to lower heat
- Targets lower cruising RPM for heavy-load highway use
- Its stated application is limited to 1992-and-newer 4L80E and 4L85E transmissions.
Skip it if you have an earlier transmission application; TCI specifies this Maximizer for 1992-and-newer 4L80E and 4L85E units.
This TCI Maximizer fits buyers towing heavy loads or operating a motor home with a qualifying 1992-and-newer 4L80E or 4L85E. Its low stall and highway-efficiency focus suit that use, but the stated application-year boundary matters.
Full product details
| Brand | TCI |
|---|---|
| Item Weight | 61 pounds |
| Item model number | 242910 |
| Manufacturer | TCI |
| Part Number | 242910 |
| Model | TCI 242910 Maximizer Towing Converter for '92 and Up 4L80E/4L85E |
| Dimensions | 15.2 x 13.9 x 7.8 inches |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: TCI 242910 Maximizer Towing Converter for '92 and Up 4L80E/4L85E
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#2 · Best LS Towing Match
2. JEGS 60428 Towing Converter
- Weight: 59.2 lb
- Dimensions: 13.7 x 13.3 x 7.9 in
Best for: LS towing with modest stall increase.
Why it ranks #2: Designed for 4L80E/4L85E transmissions with LS engines, it offers only 200–300 RPM over stock and uses a 35-spline input.
A 200–300 RPM-over-stock stall range gives this JEGS converter a modest step above stock while keeping its focus on towing. It is specified for GM 4L80E and 4L85E transmissions with LS engines, making the engine-family match central to choosing it for a towing build.
The 13.750-inch diameter and 11.675-inch bolt circle give installers concrete dimensions to check against the existing setup. Its 35-spline input is specified for a 2-step shaft, while Torrington-style encased bearings and heavy-duty O-rings are listed construction details for the converter. The 200–300 RPM-over-stock stall range keeps the stated change restrained rather than moving to a high-stall setup. The stated engine and transmission fit makes this a targeted LS towing option, not a universal 4L80E choice.
- Specified for GM 4L80E and 4L85E transmissions
- Fits LS-engine applications
- Stall range is 200–300 RPM over stock
- Features Torrington-style encased bearings and heavy-duty O-rings
- Its specified LS-engine fit excludes non-LS applications.
Skip it if you have a non-LS engine; this converter is specified for LS applications, so its stated fit does not match your setup.
Choose this JEGS converter for an LS-powered GM 4L80E or 4L85E towing build where a modest increase over stock stall suits the plan. Its engine-family specification is a firm boundary for buyers with non-LS engines.
Full product details
| Brand | JEGS |
|---|---|
| Item Weight | 59.2 pounds |
| Item model number | 555-60428 |
| Manufacturer | JEGS |
| Part Number | 60428 |
| Model | JEGS |
| Dimensions | 13.7 x 13.3 x 7.9 inches |
Listed on Amazon as: Performance Towing Torque Converter for GM 4L80E, 4L85E Transmissions
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#3 · Best Extra-Low-Stall Option
3. TRANS_ONE Extra Low Stall
- Weight: 49 lb
Best for: Low-stall lockup towing setups.
Why it ranks #3: Its extra-low-stall, heavy-duty towing design includes lockup, a 13.75-inch diameter, 35 splines, and an 11.5-inch bolt circle.
Lockup functionality paired with an extra-low-stall towing focus is the key distinction of this TRANS_ONE 4L80E converter. The listing says lockup can improve fuel efficiency and reduce heat during operation, while the 13.75-inch diameter, 11.5-inch bolt circle, and 35 splines provide installation details to check.
The 6-pad mounting configuration gives the installer a defined attachment arrangement, and the 11.5-inch bolt circle and 13.75-inch diameter help assess dimensional fit before installation. Its 35-spline input is specified for a secure connection to the transmission input shaft. Lockup is listed as a way to improve fuel efficiency and reduce heat in operation, useful considerations for towing. The unit is described as remanufactured to OEM specifications or better, but no numerical stall speed is provided.
- Extra-low-stall towing focus
- Lockup functionality is listed
- 13.75-inch diameter and 11.5-inch bolt circle are specified
- 35-spline input and 6-pad mounting configuration
- The listing provides no numerical stall-speed range.
Skip it if you need a stated stall-speed number to select a converter; this listing describes extra-low stall without specifying a numerical range.
This TRANS_ONE suits a 4L80E towing buyer prioritizing extra-low stall and lockup, with dimensions and mounting details available for fit planning. Its unstated stall-speed number is a limitation when a precise target is essential.
Full product details
| Brand | Generic |
|---|---|
| Item Weight | 49 pounds |
| Item model number | TRANS_ONE L81LS |
| Manufacturer | TRANS_ONE |
| Part Number | TRANS_ONE L81LS |
| Model | Torque Converter |
| Package Dimensions | 13 x 13 x 8 inches |
Listed on Amazon as: TRANS_ONE 4L80E Extra Low Stall HEAVY DUTY Torque Converter for Towing
View on AmazonWhy it ranks #4: This 4L80E lockup converter is explicitly described as low-stall and intended for towing, with a 13.75-inch diameter and 35 splines.
A low-stall towing focus is the defining feature of the MB-GM81HD, a lockup converter listed for the 4L80E. Its 13.75-inch diameter, 35-spline input, six-pad mount, and 11.5-inch bolt circle provide practical connection details, though the listing does not state a numerical stall range.
The 35-spline input and six-pad mount give installers specific connection and attachment details to compare with the transmission setup. A 13.75-inch diameter and 11.5-inch bolt circle help with dimensional and mounting checks before installation. Lockup is specified, and the product is identified as low stall for towing, aligning its stated use with heavy-load driving. Because no stall-speed figure appears in the supplied listing, buyers who need a precise RPM target cannot verify one from these details alone.
- Low-stall towing focus
- Lockup converter for 4L80E
- 35-spline input
- 13.75-inch diameter, six-pad mount, and 11.5-inch bolt circle
- No numerical stall-speed range is provided.
Skip it if you need a specific stall RPM before choosing; the listing calls this low stall but gives no numerical range.
The MB-GM81HD is a fit to consider for 4L80E owners prioritizing low stall, lockup, and towing. Its listed dimensions support installation planning, but buyers who need a defined RPM target will not find one in the supplied specifications.
Full product details
| Brand | Generic |
|---|---|
| Item Weight | 49 pounds |
| Manufacturer | Mybaux |
| Part Number | MB-GM81HD |
| Package Dimensions | 14 x 14 x 8 inches |
Listed on Amazon as: MB-GM81HD 4L80E 4L80 Torque Converter – low stall heavy duty for towing
View on AmazonWhy it ranks #5: It is a lockup 4L80E converter with a stated 2200–2400 stall range and 35 splines, but its stall is higher than the low-stall towing choices.
A stated 2,200–2,400 RPM stall range separates this MB-L84HS-24 from the low-stall towing options in the roundup. It is a lockup converter for the 4L80E, with the listing naming 4.8L, 5.7L, and 6.0L engines and specifying a 13.75-inch diameter.
The 35-spline input and six-pad mount give the installation plan two concrete connection details, while the 11.5-inch bolt circle helps check the mounting pattern. Lockup is specified in the title, and the 2,200–2,400 RPM stall range defines the converter’s operating target. The listing names 4.8L, 5.7L, and 6.0L engines, so buyers can compare those applications with their build. It is not presented as an extra-low-stall towing converter, making stall preference relevant to the decision.
- 2,200–2,400 RPM stall range is stated
- Lockup converter for 4L80E
- 35-spline input
- Six-pad mount and 11.5-inch bolt circle
- Its 2,200–2,400 RPM stall range is not an extra-low-stall specification.
Skip it if you require an extra-low-stall towing converter; this model specifies 2,200–2,400 RPM rather than a low-stall range.
Consider this MB-L84HS-24 for a 4L80E build targeting its stated 2,200–2,400 RPM range and a lockup converter. The named engine sizes and mounting dimensions give useful checks, but buyers seeking extra-low stall should look elsewhere.
Full product details
| Brand | Generic |
|---|---|
| Item Weight | 49 pounds |
| Manufacturer | Mybaux |
| Part Number | MB-L84HS-24 |
| Package Dimensions | 14 x 14 x 8 inches |
Listed on Amazon as: MB-L84HS-24 4L80E Lockup Torque Converter – 2200-2400 stall 4.8L 5.7L 6.0L
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#6 · Best Stock-Stall Option
6. JEGS 60427 Stock-Style
- Weight: 59.2 lb
- Dimensions: 13.4 x 13.4 x 7.8 in
Best for: Stock-stall LS towing fit.
Why it ranks #6: Its stock stall, lockup, 35 splines, and 13.750-inch diameter suit buyers seeking a stock-style LS converter rather than a dedicated low-stall towing unit.
A stock stall range sets this JEGS converter apart for LS-powered GM 4L80E and 4L85E applications where a stock-like stall target matters. It also lists lock-up, a 13.750-inch diameter, 35 splines, and an 11.675-inch bolt circle, giving buyers useful fit details.
The stock stall range avoids the higher-stall targets found on some performance converters, while the listed lock-up feature adds a specified operating function. Its 13.750-inch diameter, 35-spline input, and 11.675-inch bolt circle provide dimensional and connection information for installation planning. A 1.703-inch crank pilot and balanced construction add further fit and build details to check. The listing specifies GM LS engines and 4L80E or 4L85E transmissions, so non-LS engine applications are outside its stated scope.
- Stock stall range
- Lock-up is specified
- Fits LS engines with GM 4L80E or 4L85E
- 35-spline input and 1.703-inch crank pilot
- The specified engine fit is for LS applications.
Skip it if you have a non-LS engine; this JEGS converter is specified for GM LS engines and 4L80E or 4L85E transmissions.
This JEGS option suits an LS-powered 4L80E or 4L85E build seeking stock stall and lock-up, with several installation dimensions stated. Its LS engine limitation makes it unsuitable for buyers whose 4L80E is mounted to a non-LS engine.
Full product details
| Brand | JEGS |
|---|---|
| Item Weight | 59.2 pounds |
| Item model number | 555-60427 |
| Manufacturer | JEGS |
| Part Number | 60427 |
| Model | JEGS |
| Dimensions | 13.4 x 13.4 x 7.8 inches |
Listed on Amazon as: Stock-Style Performance Torque Converter for GM 4L80E, 4L85E Transmissions
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#7
7. JEGS 60414 Billet
- Weight: 37.2 lb
- Dimensions: 14 x 14 x 8.9 in
Best for: High-power LS lockup builds.
Why it ranks #7: It fits LS-equipped 4L80E/4L85E setups and has lockup, a billet cover, and an 800 HP rating, but its 2900–3200 RPM stall is less towing-focused.
An 800 HP rating paired with a billet cover and oversized lock-up plate distinguishes this JEGS converter for LS-powered 4L80E and 4L85E builds. Its 2,900–3,200 RPM stall range points toward a higher-stall setup, while the 10-inch diameter and 35-spline input offer key installation specifications.
The converter is specified for GM LS-series engines and 4L80E or 4L85E transmissions, giving buyers a clear engine-family and transmission scope. Its lock-up configuration, oversized lock-up plate, and billet cover are named features, while the 800 HP rating helps frame power suitability. A 2,900–3,200 RPM stall range makes stall behavior an important consideration for towing plans. The triple bolt circle is listed at 10.750, 11.500, and 11.062 inches, providing multiple mounting dimensions to check.
- Rated to 800 HP
- Fits LS engines with GM 4L80E or 4L85E
- Lock-up with oversized plate and billet cover
- 10-inch diameter and 35-spline input
- The 2,900–3,200 RPM stall range may not suit low-stall towing priorities.
Skip it if you need a low-stall towing setup; this converter’s specified 2,900–3,200 RPM range targets a higher-stall configuration.
This JEGS converter suits an LS-powered 4L80E or 4L85E build needing lock-up and an 800 HP rating. Its higher 2,900–3,200 RPM stall range is a meaningful boundary for buyers focused on low-stall towing.
Full product details
| Brand | JEGS |
|---|---|
| Item Weight | 37.2 pounds |
| Item model number | 555-60414 |
| Manufacturer | JEGS |
| Part Number | 60414 |
| Model | JEGS |
| Dimensions | 14 x 14 x 8.9 inches |
Listed on Amazon as: Billet Torque Converter for GM 4L80E/4L85E Mounted to an LS Series Engine
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#8
8. JEGS 60413 Non-LS
- Weight: 37 lb
- Dimensions: 14.6 x 14.4 x 8.6 in
Best for: Non-LS high-stall applications.
Why it ranks #8: Its non-LS fit and 4L80E/4L85E lockup support a different engine combination, but the 2900–3200 RPM stall is a poor match for typical towing priorities.
A non-LS engine fit distinguishes this JEGS converter from LS-specific options, while its 2,900–3,200 RPM stall range marks it as a higher-stall choice. It is listed for GM 4L80E and 4L85E lock-up applications, with a 10-inch diameter and 35-spline input.
The non-LS engine specification makes engine family the first fit check for this converter, and its 4L80E/4L85E lock-up application defines the transmission scope. The 10-inch diameter and 35-spline input give installers two concrete connection details. A triple bolt circle of 10.750, 11.500, and 11.062 inches provides multiple mounting measurements to compare. Its 2,900–3,200 RPM stall range and 800 HP rating suit buyers evaluating a higher-stall performance build, not those seeking a low-stall towing target.
- Specified for non-LS engines
- Lock-up for GM 4L80E and 4L85E
- 10-inch diameter and 35-spline input
- Rated to 800 HP with 2,900–3,200 RPM stall
- Its 2,900–3,200 RPM stall range is not a low-stall towing specification.
Skip it if you prioritize low stall for towing; this converter specifies a 2,900–3,200 RPM range rather than a low-stall target.
This JEGS converter fits a non-LS 4L80E or 4L85E build seeking lock-up, an 800 HP rating, and its stated higher stall range. Buyers prioritizing low-stall towing should treat that RPM target as a key boundary.
Full product details
| Brand | JEGS |
|---|---|
| Item Weight | 37 pounds |
| Item model number | 555-60413 |
| Manufacturer | JEGS |
| Part Number | 60413 |
| Model | JEGS |
| Dimensions | 14.6 x 14.4 x 8.6 inches |
Listed on Amazon as: Torque Converter for GM 4L80E/4L85E Mounted to a Non-LS Series Engine
View on AmazonWhy it ranks #9: This 10-inch, 2800–3200 stall 4L80E converter is a high-stall performance choice, and its listing specifically excludes turbo and nitrous applications.
A 2,800–3,200 RPM stall range and 10-inch diameter make this 4L80E converter a high-stall choice rather than a low-stall towing specialist. Its listed hardened splines, flanged hub, and handed welded internals accompany a 600 HP rating, giving performance-build shoppers specific construction and capacity details.
The 10-inch diameter and 2,800–3,200 RPM stall range establish a compact, high-stall configuration for buyers whose build calls for that operating target. Hardened splines and a flanged hub are listed features relevant to the converter’s transmission connection, while handed welded internals describe its construction. The stated 600 HP rating gives a power ceiling to compare with the engine setup. The listing explicitly rules out nitrous and turbo applications, a key boundary when choosing it for a modified vehicle.
- 2,800–3,200 RPM high-stall range
- 10-inch diameter
- 600 HP rating
- Hardened splines, flanged hub, and handed welded internals
- The listing excludes nitrous and turbo applications.
Skip it if you run a nitrous or turbo application; this converter is explicitly listed as unsuitable for either setup.
Choose this converter for a 4L80E performance build that needs its 2,800–3,200 RPM stall range and stays within the stated 600 HP rating. It is not a match for nitrous or turbo applications, or for buyers seeking low stall.
Full product details
| Brand | Generic |
|---|---|
| Item Weight | 31.6 pounds |
| Item model number | 4L80E |
| Manufacturer | TOTAL TRANSMISSIONS CHICAGO |
| Part Number | GM88SS-2800 |
| Model | TORQUE CONVERTER |
| Package Dimensions | 13.78 x 13.66 x 9.61 inches |
Listed on Amazon as: 4L80 4L80E 2800-3200 STALL TORQUE CONVERTER HIGH STALL 10 INCH
View on AmazonAvoiding 4L80E fitment mismatches
A converter can be labeled for a 4L80E and still fail to match your engine or installation because the listings specify different mounting and input details. JEGS 60428 is described for LS engines and a 2-step 35-spline input, while JEGS 60413 is intended for non-LS engines and lists triple bolt circles of 10.750, 11.500, and 11.062 inches. Several other options list a 13.75-inch diameter, 35 splines, six pads, and an 11.5-inch bolt circle; those figures should not be assumed to match another converter’s pattern.
Check the engine family, flexplate bolt circle, crank pilot, input spline, and transmission application together. Also note that the TCI 242910 is specified for 1992-and-up transmissions, a fitment detail that may matter on an earlier vehicle.
Confirm dimensions with the seller or installer when the listing omits a required measurement.
Why towing stall speed is a trade-off
A lower stall listing aligns more directly with towing priorities than the high-stall alternatives, but the right choice still depends on the engine and vehicle combination. TCI specifies 1000–1200 stall for its Maximizer, while JEGS 60428 is listed at 200–300 RPM over stock and the stock-style JEGS 60427 is simply described as stock stall. At the other end, the Mybaux MB-L84HS-24 lists 2200–2400, and both JEGS billet/non-LS options list 2900–3200 RPM.
These numbers describe distinct converter choices, not a universal ranking of what every engine needs. A truck that regularly pulls heavy loads may favor a low-stall towing design; a modified engine or a build with a specific operating-range requirement may call for a higher stall.
Verify the intended stall with the builder or transmission specialist before choosing.
How to Choose a 4L80E Towing Converter
Stall speed and towing intent
Look for a stall range that matches the towing use and engine setup rather than choosing by the towing label alone. The TCI 242910 lists 1000–1200 stall, the JEGS 60428 is 200–300 RPM over stock, and JEGS 60427 is stock stall. The Mybaux MB-L84HS-24 lists 2200–2400, while JEGS 60414 and 60413 each list 2900–3200 RPM.
These ranges show how far the products vary, but the listing data does not establish a universally correct stall for every vehicle. Regular heavy-load use favors considering the dedicated low-stall options first; an engine build that needs more stall may make a higher-range option relevant.
Confirm the target with your engine and transmission specifications.
Engine and transmission fit
Confirm the exact transmission and engine family before comparing performance features. JEGS 60428 and JEGS 60427 are listed for 4L80E/4L85E transmissions with LS engines, while JEGS 60413 is specifically for non-LS engines. The TCI 242910 states fitment for 1992-and-up 4L80E/4L85E transmissions.
Other listings identify 4L80E fitment and provide dimensions, but may not spell out the same engine details. Buyers with an LS setup should start with the LS-specific products; non-LS owners should favor a listing that explicitly says non-LS.
If the vehicle has a less common engine, transmission year, or swap combination, verify fitment rather than inferring compatibility from the 4L80E name.
Mounting dimensions and lockup
Match the converter’s mounting dimensions and lockup configuration to the transmission and flexplate you have. TRANS_ONE and both Mybaux listings specify a 13.75-inch diameter, 35 splines, six pads, and an 11.5-inch bolt circle. JEGS 60427 also lists a 13.750-inch diameter and 35 splines, but its bolt circle is 11.675 inches; it also specifies lockup.
JEGS 60413 and 60414 instead list a 10-inch diameter and three bolt-circle measurements. These differences make dimension checks essential even among products intended for related transmissions.
Buyers replacing a known converter should compare its measurements directly; swap or custom-build owners should confirm the flexplate pattern, input spline, and lockup requirement with their installer.
Which 4L80E converter should I choose for towing?
For a 4L80E/4L85E tow vehicle where the listed application and stall range fit, choose the TCI 242910 Maximizer first: it is explicitly intended for towing and specifies 1000–1200 stall. For an LS-powered setup that needs only a modest increase over stock, consider the JEGS 60428 Towing Converter, listed at 200–300 RPM over stock. If an extra-low-stall, heavy-duty lockup design is the priority, compare TRANS_ONE Extra Low Stall with Mybaux MB-GM81HD, checking their stated 13.75-inch diameter and 11.5-inch bolt circle against your parts.
Choose Mybaux MB-L84HS-24 only if its 2200–2400 range suits the build. The stock-style JEGS 60427 is another lower-stall alternative; the higher-stall JEGS and Generic options are less aligned with ordinary towing.
Related Buying Guides
Frequently Asked Questions
How do I confirm the converter fits my engine, transmission, and flexplate?
Confirm the converter’s listed engine and transmission application, then compare its mounting details with your flexplate and existing parts. Verify the flexplate pattern, bolt circle, pilot, and any required balance compatibility with a qualified installer or the manufacturers’ fitment information. Do not rely on the transmission name alone; engine and flexplate combinations can differ.
What stall speed is appropriate for my towing load and engine setup?
Choose a stall range that suits the engine’s operating characteristics, intended load, and the converter’s stated application. For the listed 4L80E towing choices, the TCI 242910 specifies 1000–1200 stall, while the JEGS 60428 is listed at 200–300 RPM over stock. Confirm suitability for your complete build before ordering.
What can cause a new torque converter to overheat or fail after installation?
Incorrect fitment, improper installation, contaminated fluid, inadequate fluid level, or cooling problems can contribute to overheating or failure. Follow the converter and transmission installation procedures, inspect related components, and use the specified fluid and service process. If temperatures rise or symptoms appear, stop towing and have the setup checked rather than continuing to operate it.
Should I choose a lockup converter for a towing build?
Choose a lockup design only after confirming that it matches your transmission, control system, and intended use. Lockup operation depends on compatible components and correct control; the product title alone does not establish that the converter suits your complete setup. Check the application details and have an installer verify compatibility before selecting a converter.
When should I consider a higher-stall converter instead of a towing-focused option?
Consider a higher-stall option only when the engine and build specifically call for its stated range; higher stall is not automatically better for towing. The listed 2800–3200-stall and 2200–2400-stall options may be less aligned with ordinary towing than the explicitly towing-focused choices. Match the range to your engine and load.
Final Words
For a 4L80E/4L85E tow vehicle whose application matches, the TCI 242910 Maximizer is the clearest first choice: it is specified for towing and lists a 1000–1200 stall range. Consider the JEGS 60428 for an LS setup needing a modest increase over stock. For extra-low-stall priorities, compare the TRANS_ONE and Mybaux MB-GM81HD dimensions with your parts.
Verify fitment and stall suitability before ordering.



