GM 4L80E Performance Transmission (Up to 800 lb-ft of Torque) for SB/BB 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 TRANSMISSION
• DESIGNED FOR GM SMALL BLOCK AND BIG BLOCK MOTORS

* EXCELLENT FOR VEHICLES THAT ARE EQUIPPED WITH ENGINES PRODUCING UP TO 800 FT LBS OF TORQUE. 

** DOES NOT INCLUDE DRIVESHAFT OR CROSSMEMBER.

Transmission Details:

• ALL NEW STEELS, SEALS & GASKETS
• UPGRADED HIGH ENERGY 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
• 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)
• 24 MONTH LIMITED / CONDITIONAL WARRANTY FROM DATE OF PURCHASE
• BOWLER DEPENDABILITY & DURABILITY

INCLUDED ACCESSORY PACKAGE

• CONVERTER DUST COVER
• OEM FILL TUBE AND DIP STICK
• ENERGY SUSPENSION TRANSMISSION MOUNT
• EXTERNAL TRANSMISSION COOLER W/ -6AN FITTINGS
  
• CONVERTER BOLTS
• 14 QUARTS ROYAL PURPLE MAX ATF
• INPUT AND OUPUT SPEED SENSORS
• COMPUSHIFT CONTROLLER

Install Guide