6L80 (5.3L)(4x4 W/Out Tow Package)
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 6L80 Performance Transmission RM1 Series 4CKA units. RMP45CCRM1 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.
4CKA
ART45CCRM1
5CKA
RMP45CCRM1
6CKA
RT45CCRM1
7CKA
T8114ABR1000
Roadmaster transmissions are available from Whatever It Takes Transmission Parts' nationwide locations. Choose your state below to find the location nearest you.
