The B&M PreRunner/Trail 4L80E automatic transmission is for use with all 1997-Up Chevrolet LS based engines with 2WD. This transmission features a forward pattern manual valve body and includes a B&M finned deep aluminum transmission pan for added fluid capacity and cooling. Features include a steel forward hub, 34 element intermediate sprag, high energy intermediate sprag, all new high performance friction plates, new overdrive sprag assembly, new low roller assembly and rebuilt performance pump. We strongly recommend adding a B&M transmission SuperCooler with your new transmission to help reduce high fluid temps that comes with hard off-road use. Max Recommended Power 800HP and 650 Lb/Ft. Note: This transmission will require an electronic controller such as the B&M Shift Plus 2 Transmission Controller part #120001. Carbureted applications will require a throttle position sensor such as B&M #120002. Does not include a torque convertor or speedometer gear.
- New High Performance Friction Plates
- Manual Forward Pattern Valve Body
- B&M Finned Aluminum Deep Pan
- Rated to 800HP and 650 FT/LBS
Part | B&M 118003BM |
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Manufacturer Part Number | 118003BM |
UPC | 19695954093 |
Brand | B&M |
Color | Black |
Drive Type | RWD |
Emission Code | 5 |
Horsepower Rating Hp | 800 |
Part Type | High Performance |
Torque Rating Ft Lbs | 650 |
Transmission Model | 4L80E |
Transmission Speeds | 4 |
Transmission Type | 4L80E |
Type | product |
Valve Body Type | Manual |
Item Returns | This item can be returned |
2WD/4WD | 2WD |
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Automotive Item Grade | High Performance |
Brake Included | No |
Brand | B&M |
Built-In Transmission Shield | No |
California Proposition 65 Chemical Name | Benzene |
California Proposition 65 Required | Yes |
Case Material | Cast Aluminum |
Color | Black |
Control Type | Electronic |
Cooler included | No |
Core Change Applicable | No |
Dipstick included | No |
Drive Type | RWD |
Emission Code | 5 |
Friction Plates | New |
Friction Plates: | New |
Gear Ratio-First | 2.48 |
Gear Ratio-Fourth | 0.75 |
Gear Ratio-Second | 1.48 |
Gear Ratio-Third | 1.00 |
Horsepower Rating (HP) | 800 |
Horsepower Rating (HP) | 800 |
Manual Valve Body | Yes |
Part Type | High Performance |
Product Type | Automatic Transmission Assembly |
Reverse Gear Ratio | 2.07 |
Reverse Pattern | No |
Torque Converter Included | No |
Torque Rating (Ft/Lbs) | 650 |
Transbrake | No |
Transmission Model | 4L80E |
Transmission Pan Finish | Natural |
Transmission Pan Material | Aluminum |
Transmission Pan Type | Deep, Cast |
Transmission Series | Prerunner/Trail |
Transmission Speeds | 4 |
Transmission Type | 4L80E |
Valve Body Configuration | Recalibrated |
Valve Body Pattern | Forward |
Valve Body Type | Manual |
Warning | California Proposition 65 |