GM 4L65-E Performance Transmission (Up to 550 lb-ft of Torque) for LS engines

AT-4L65E550PKG LS

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GM 4L65-E Performance Transmission (Up to 550 lb-ft of Torque) for LS engines

Product Description

GM 4L65-E 4-speed automatic performance transmission package rated for up to 550 lb-ft of torque. Custom built to your specifications. Please complete our Automatic Transmission Tech Sheet. Please allow a 2-3 week lead time on all custom automatic transmissions. Package Includes
  • BOWLER 4L60-E 550 FT LBS PERFORMANCE TRANSMISSION 1999 - '04 * REMOVABLE BELL LS STYLE

    DESIGNED FOR LS MOTORS (* A BELL HOUSING FOR LT1 MOTORS CAN BE PURCHASED SEPERATELY)

     * EXCELLENT FOR VEHICLES THAT ARE EQUIPPED WITH ENGINES PRODUCING UP TO 550 FT LBS OF TORQUE. 

    * DOES NOT INCLUDE DRIVESHAFT OR CROSSMEMBER.

    Transmission Details:

    • ALL NEW CLUTCHES, STEELS, SEALS & GASKETS
    • ALL NEW OEM SOLENOID (EPC, TCC, PWM, 3-2 CONTROL, SHIFT SOLENOID A & B, AND MANIFOLD PRESSURE SWITCH.
    • PREMIUM WIDE 2-4 BAND FOR ADDITIONAL SURFACE AREA
    • NEW OEM BAND DRUM
    • CORVETTE SERVO w/D-RING SEAL DESIGN FOR IMPROVED APPLY POWER FOR 2ND GEAR
    • BILLET 4TH GEAR SERVO
    • INCREASED PRESSURE FOR IMPROVED CLUTCH LIFE
    • RECALIBRATED VALVE BODY * FIRM SHIFT QUALITY, YET NOT TO HARSH. ABILITY TO HOLD EACH GEAR FOR MANUAL SHIFT CONTROL, WHILE RETAINING AUTOMATIC SHIFTS WHEN IN DRIVE & OVERDRIVE RANGE
    • STEEL SLEEVE IN INPUT DRUM FOR IMPROVED STRENGTH
    • UPGRADED 3-4 CLUTCH SYSTEM (FOR IMPROVED HOLDING POWER)
    • UPDATED SONNAX SMART DRUM WITH REINFORCEMENT PLATE
    • UPDATED OE GM 5 PINION FRONT AND REAR PLANETS
    • UPDATED SONNAX BOOST VALVE SYSTEM w/DUAL O-RINGS
    • UPDATED SONNAX ACCUMULATOR PISTONS
    • UPDATED SONNAX AFL VALVE SYSTEM
    • UPDATED SONNAX SMART SHELL HARDENED SUN SHELL w/BEARING
    • BLUE PRINTED PUMP & VALVE BODY
    • HARDENED HIGH REV 5500 + RPM PUMP RINGS
    • BETTER LUBRICATION SYSTEM
    • ELECTRONIC SPEED SENSOR * IF MECHANICAL SPEEDOMETER IS REQUIRED, YOU CAN PURCHASE OUR MECHANICAL SPEEDOMETER SETUP WITH NEW TAILHOUSING & MATCHING GEARS FOR YOUR VEHICLE
    • NEW OEM SHALLOW STEEL PAN
    • COMPLETE BOWLER INSPECTED & DYNO TESTED
    • 12 MONTH LIMITED / CONDITIONAL WARRANTY (W/2 YEAR GRACE PERIOD FROM THE DATE OF PURCHASE)
    • BOWLER DEPENDABILITY & DURABILITY

    INCLUDED ACCESSORY PACKAGE

    • BILLET TRIPLE LOCK-UP TORQUE CONVERTER (STALL WILL BE DETERMINED WITH VEHICLE SPECS)
    • COMPUSHIFT STAND ALONE TRANSMISSION CONTROLLER WITH ACCULINK TPS SYSTEM
    • OE STYLE FILL TUBE AND INDICATOR
    • UNIVERSAL PLASTIC DUSTCOVER
    • 12 QUARTS ROYAL PURPLE MAX ATF FLUID
    • EXTERNAL TRANSMISSION COOLER WITH -6AN FITTINGS
    • SONNAX 1350 SERIES SLIP YOKE
    • ENERGY SUSPENSION TRANSMISSION MOUNT
    • OE GM 6 BOLT FLEXPLATE, DUST COVERS & BELLHOUSING / CONVERTER HARDWARE (CAN ALSO ORDER WITH 8 BOLT CRANK STYLE FLEXPLATE OR UPGRADE TO AN SFI FLEXPLATE FOR ADDITIONAL CHARGE)
    • SPEED SENSOR

Install Guide

Prop 65 Warning Label

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