

4L80E (4.8L/6.0L) Chevy, GMC (4X4)
4-speed
Performance
Automatic
Transmission with Torque Converter
Recommended for engine mods or tuners up to 80 HP over stock. The RM1 series is a great choice for daily work trucks and plowing or towing trucks with a larger turbo, injectors and/or 5th wheel hitches.
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Roadmaster remanufactures premium 4L80E Performance Transmission RM1 Series RMP34RFDRM1 units. RT34EFDRM1 is an RM1 series transmission designed for daily work trucks that have been upgraded as much as 80hp beyond stock units and also features a remanufactured torque converter.
RMP34RFDRM1
T1686AA
RT34EFDRM1
T1697AA
T1659AC
T7610AA
T1659AD
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