4L60E (5.7L) (4x4) Chevy Silverado/Blazer
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 4L60E Performance Transmission RM1 Series 3KCD units. RT74GARM1 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.
3KCD
RT74GA
3KKD
RT74GARM1
4KBD
RTP74MA
RMP74GARM1
T1257DA
Roadmaster transmissions are available from Whatever It Takes Transmission Parts' nationwide locations. Choose your state below to find the location nearest you.
