GM 4L85E 4X4 Performance Transmission (Up to 1000 lb-ft of Torque) for LS Engines

Custom built to your specifications. Please complete our Automatic Transmission Tech Sheet Form. Please allow a 6-8 week lead time on all custom automatic transmissions.

Package Includes:

• BOWLER TRU-STREET 4L80E 4X4 TRANSMISSION BUILT FOR THE MOST RUGGED AND EXTREME ENVIRONMENTS BUT STILL CAPABLE OF DAY TO DAY STREET DUTY.
• DOES NOT INCLUDE TRANSFER CASE ADAPTER.  PLEASE INQUIRE ABOUT TRANSFER CASE ADAPTER OPTIONS IF NEEDED.  WE ARE A DEALER FOR ADVANCED ADAPTERS AND CAN HELP WITH GETTING YOU SET UP FOR NEARLY ANY COMBINATION.

• DESIGNED FOR LS1, LS3, LS7 MOTORS (CAN ALSO BE SETUP FOR LS9, LSX AND LSA MOTORS)

  * EXCELLENT FOR VEHICLES THAT ARE EQUIPPED WITH ENGINES PRODUCING UP TO 1000 FT LBS OF TORQUE. 

  * DOES NOT INCLUDE TRANSMISSION CONTROLLER, DRIVESHAFT OR CROSSMEMBER.

  Transmission Details:

  • ALL NEW STEELS, SEALS & GASKETS
  • UPGRADED PERFORMANCE FRICTION PLATES
  • NEW OEM SOLENOID (EPC, TCC, PWM, 3-2 CONTROL, SHIFT SOLENOID A & B, AND MANIFOLD PRESSURE SWITCH.
  • NEW OVERDRIVE & LOW ROLLER SPRAGS
  • BILLET 300M INPUT SHAFT
  • SONNAX NO WALK OUT REAR BUSHING WITH ROLLER BEARING
  • BILLET 300M INTERMEDATE SHAFT
  • 5 PINION FRONT & REAR PLANETS (OE GM)
  • BILLET 300M FORWARD CLUTCH HUB
  • UPDATED 34 ELEMENT INTERMEDIATE SPRAG
  • UPDATED REAR CASE BUSHING
  • WIDE KICKDOWN BAND
  • INCREASED PRESSURE FOR IMPROVED CLUTCH LIFE
  • BLUE PRINTED VALVE BODY & PUMP
  • UPDATED BOOST VALVE SYSTEM
  • UPDATED SERVO PISTON
  • UPDATED SHIFT VALVE SPRINGS
  • UPDATED SONNAX COAST CLUTCH APPLY DESIGN
  • BETTER LUBRICATION SYSTEM
  • ELECTRONIC SPEED SENSOR * IF MECHANICAL SPEEDOMETER IS REQUIRED, YOU CAN PURCHASE OUR MECHANICAL SPEEDOMETER SETUP FOR ADDITIONAL COST
  • ALL NEW TORRINGTON BEARINGS
  • NEW OEM SHALLOW STEEL PAN
  • COMPLETE BOWLER INSPECTED & DYNO TESTED
  • BILLET TRIPLE LOCK 265MM STALL CONVERTER WITH BRAISED FINS & BILLET APPLY PISTON (TRIPLE DISC LOCKUP)* STALL SPEED TO BE BUILT TO THE VEHICLE SPECIFICATIONS, OPTIONS RANGE FROM 2400 – 4500 STALL)
  • 12 MONTH LIMITED / CONDITIONAL WARRANTY FROM DATE OF PURCHASE
  • BOWLER DEPENDABILITY & DURABILITY

  INCLUDED ACCESSORY PACKAGE

  • FLEXPLATE
  • CONVERTER DUST COVER
  • OEM FILL TUBE AND DIP STICK
  • 14 Quarts Royal Purple MAX ATF Fluid
  • C&R DUAL COOL EXTERNAL TRANSMISSION COOLER W/ -6AN FITTINGS (DUAL FANS * TEMP RELAY SYSTEM)
    
  • CONVERTER BOLTS

Install Guide