GM 4L60-E Performance Transmission (Up To 550 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 4L60-E 550 FT LBS PERFORMANCE TRANSMISSION 1995 - '97 * NON-REMOVABLE BELL 
• DESIGNED FOR SBC / BBC MOTORS (* NOT RECOMMENDED FOR LS OR LT MOTORS ** MUST USE CONVERSION FLEXPLATE WITH PILOT EXTENSION IF USED WITH (SOME CUSTOMER PREFER THIS VERSION FOR TUNNEL CLEARANCE)

 * 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 FROM THE DATE OF PURCHASE
• BOWLER DEPENDABILITY & DURABILITY

INCLUDED ACCESSORY PACKAGE

• BILLET TRIPLE LOCK-UP TORQUE CONVERTER (STALL WILL BE DETERMINED WITH VEHICLE SPECS)
• 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
• SPEED SENSOR
• COMPUSHIFT CONTROLLER

Install Guide