6R140 CAT 4 750 HP+ REBUILD KIT (WITHOUT CONVERTER) (NO FLEXPLATE)

Upgrade for Ford 6R140 Torqshift transmission (6.7L Powerstroke diesel). Handles 750+ HP (reliably over 1,000hp with patented E Clutch Hub Damper) for heavy towing/high-performance. Addresses common 6R140 weak points. Includes: Guardian Torque Converter, billet flexplate, SunCoast patented 4-5-6 hub, new pump bushing, Sonnax SureCure Kit, filter, overhaul kit, gaskets. Features: carbon graphitic clutches, custom machined steels, improved heavy-duty 4-5-6 Overdrive Clutch pack (increased count), custom machined Overdrive apply piston. Patented 4-5-6 clutch hub with damper (Sound Reduction/Absorption Technology) eliminates shift 'squawk'. Guardian torque converter has custom rigid backing plate and improved robust spring system with ZERO-DRAG technology. Billet intermediate shaft (maraging steel) prevents failure under increased torsional fatigue.