




6L90 (V8 6.0L)(4WD) Chevy/GMC 2500HD 20
6-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 6L90 Performance Transmission RM1 Series .4DHA units. ART45HBRM1 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.
.4DHA
ART45HBRM1
.6DHA
RMP45HBRM1
4DHA
RT45HB
6DHA
T8221AAR1000
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