ATS Diesel 19-24 RAM Cummins 6.7L 4WD 68RFE Transmission Package - Stage 4

Comprehensive upgrade for RAM 68-RFE transmissions, addressing design limitations. Features recalibrated hydraulics, enhanced accumulator rates, refined clutch timing, and optimized line pressure for increased engine torque. Upgraded hard parts include shafts, hubs, and the low one-way sprag. Includes redesigned pump assembly (torque converter regulator valve, main pressure regulator), increased surface area clutch packs (Under Drive +21%, Over Drive +17%, 2C +34%, 4C +34%), stronger roller clutch (replaces weak low one-way sprag), ATS BilletProof Channel Plate valve body (prevents warping, cross-leaks, improved fluid flow), reinforced shafts (forward hub/shaft, intermediate hub/shaft, 300M billet input shaft), minor hydraulic modifications to transmission case, optional heavy-duty pan (strengthens case, +5qt fluid capacity), and ATS Co-Pilot Transmission Controller (manages line pressure, clutch timing, converter clutch apply, up to 270+ PSI with Valve Body Full Pressure Enable Kit).