41% off
4L60E/4L65E Transmission Heavy Duty 2WD


4L60E/4L65E Transmission Heavy Duty 2WD

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Mega Monster Transmissions Engineered to Dominate, the 4L65E 2WDMega Monster transmission is ideal for vehicles powered by 4.8, 5.3, LS1, or 6.0L engines producing up to 500 horsepower with a naturally aspirated system using pump gasoline.

$1,299.00
$2,199.75
$900.75(41%)
Product Available
MG302-4L65E
Questions? Call Us 800-708-0087

Build Your Order Online

Torque Converter
Torque Converter Upgrade
Shift Firmness
Case Type
Case Color (shades may vary*)
Pan Style
Bellhousing
Core and Warranty Options (Please Select One)
A) We'll pick up and Build Your Original Core - 3 Yr Warranty activated when order ships [+$150.00]
B) Return your core using our Core Return Service within 30 days of shipment - 3 Yr Warranty activated when core received [+$350.00]
C) No Core will be returned - Pay Core Fee to Activate 3 Yr Warranty [+$500.00]
Warranty Information (Check Box to Acknowledge)
All warranties are contingent upon core returns and/or fees. If the Transmission & Converter cores are not returned within 30 days or a core fee is not paid I am opting out of any warranty coverage.
White Glove WOWanty Upgrade
6 Year Warranty
Call me to add 6 year warranty to my order.
Popular Accessories (These have been Discounted for your transmission package!)
12 Qts. of Burn Rubber Brewery Premium Synthetic Trans Fluid [+$159.95]
Locking Fillertube & Dipstick [+$35.00]
Universal Transmission Mount [+$19.94]
Trans Cooler Kit #1403 [+$49.95]
Torque Converter Bolts (3) [+$9.99]
Transmission Flush - Dr. Tranny Kooler Kleen [+$19.98]
Give Me A Name
Time commitments may vary as this is a custom built transmission

Mega Monster Transmissions
Engineered to Dominate, the 4L65E 2WD Mega Monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tire-spinning shifts race after race. It is ideal for vehicles powered by 4.8, 5.3, LS1, or 6.0L engines producing up to 500 horsepower with a naturally aspirated system using pump gasoline. Equipped with a Reprogrammed Automatic valve body, most units allow you to shift the vehicle into each gear change or, by placing it in the drive position, remain fully automatic. In either mode, you get a racetrack shift that bangs through the gears giving you all the right to say "Eat My Shift!".


The Mega Monster Transmission features: the latest technology in our industry with only the best internal components for increased strength, dependable performance and monster torque capacity. All Monster transmissions are thoroughly inspected, blue printed and quality checked to ensure that your investment is completely flawless. For the system to operate properly, ECM computer code(s) must be cleared prior to initial drive of the replacement transmission. We recommend using a Snapon-OTC or Dealer scanner for this procedure.


 PRECISION MASTER OVERHAUL KIT
 NEW ELECTRONICS INCLUDE
 SUPERIOR HIGH PERFORMANCE SHIFT REPROGRAMMING KIT
 SUPER PUMP
 DIRECT/REVERSE INPUT DRUM
 TURBINE INPUT CLUTCH HOUSING
 MODIFIED SUNSHELL DRIVE GEAR TO INCREASE REAR PLANETARY LUBRICATION
 MODIFIED INPUT SUN GEAR TO INCREASE FORWARD PLANETARY LUBRICATION
 UPDATED/MODIFIED ACCUMULATORS
 RAYBESTOS PRO SERIES BAND
 HEAVY DUTY SUNSHELL
 RECALIBRATED VALVEBODY
 RECALIBRATED VALVE PLATE FOR SHIFT FIRMNESS
 NEW HIGH FLOW FILTER
 NEW LOW/REVERSE HEAVY DUTY SPRAG
 NEW 29 ELEMENT HEAVY DUTY FORWARD INPUT SPRAG
 NEW INTERNAL CORVETTE SERVO


The chrome pan in the product photos is an upgraded item that is shown as a related product that you can add to your cart.


The 4L65E has a 3.06 ratio in first gear, which is 20% lower than most transmissions. The 30% overdrive will give a 30 to 40% increase in gas mileage on the road when compared to a 3-speed automatic transmission.


*Special Note: If you are planning a direct transmission swap it is recommended to re-use your existing tail-housing and VSS (Vehicle Speed Sensor) for your new unit. This Monster 700R4 Transmission does not come equipped with a new VSS (Vehicle Speed Sensor). Certain vehicle specific tail-housings may not be available with this unit. In most cases, you will be required to swap your original tail-housing (this will NOT void your warranty). Please Contact Us to purchase a proper VSS (Vehicle Speed Sensor) for your application or if you are unsure if your tail-housing will need to be reused.




I bought a Monster transmission, a 4L60E performance transmission, had a 5lb Perry pin upgrade, had a hardened steel sprag. The 4L60E had a hardened steel drum, hardened steel sun shell cavalier band, had a stage 2 shift kit in it, had a 25 or 16 50 stall converter in it. Turned my truck into an awesome machine, my gas mileage improved, everything about my truck runs completely better and it is an amazingly fun vehicle to drive now and it worry free and I can finally tow everything that I want to tow, that the truck will gradually do what a stock 350 motor, I am super happy with my Monster transmission and you should be too, thank you.
Verified Buyer: 
5
I think you guys did a stand up job. Thanks.
I purchased a transmission from you a little under a year ago. I had some trouble with it and you guys graciously took it back and rebuilt it. I think you guys did a stand up job. Thanks.
Verified Buyer: 
5
very satisfied!
Very satisfied with the customer service and the product Monster Transmission has to offer. Thanks to them my short notice problem still allows me to make it to Turkey Rod Run this year.
Verified Buyer: 
5
4L60E Trasmission 2WD 2004 Tahoe
Had the transmission installed in Hot Springs, AR at the Chevy Dealership. The old tranny cooler line blew and killed most of the gears. Once Installed I drove it straight home to North Dallas which was about a 5hr drive and it performed flawlessly. I have to tip my hat to the guys and gals at Monster Transmission for the great customer service and product. I would highly recommend you all. Michael Alvarez
Verified Buyer: 
5
Owner
Overall , I'm very pleased with my purchase from Monster Transmissions, The transmission I ordered was exactly what I received ,price was competitive, the quality of the build so far has been flawless after 4500 miles , the positive shift I requested is spot on , hats off to all technicians involved in this build. The attention to detail was awesome , extremely clean unit when received, very satisfied with the appearance! I also want to give credit to the monster shipping department, the method used in preparing this transmission and torque converter for ship was impressive as well. The designed packaging kept everything protected & reusable for core return. The only issue I have is in communication during the build was poor, not accurate, the build took longer than was being reported , was not pleased with communication from monster trans. I have additional automotive projects in the works and in the future, I will definitely consider Monster for my next transmission purchase. Thanks Monster Team ! Terry Klemme
Verified Buyer: 
4
I am an automotive technical instructor. My own suburban had a problem with the case, I looked online and I never saw Monster Trans before but I thought to take a chance and had good luck with them, I will recommend them and they were very courteous and helpful delivery was prompt and I am very satisfied, good luck.
Verified Buyer: 
5
Only a few days in.
I had the trans all of two days. It is already installed in my gto and flying down the road. Building custom cars is what I do. This transmission is no joke when it comes to performance. I won't sell anything to anyone that I wouldn't use myself in the same situation. I will be back for more.
Verified Buyer: 
5
I want to keep doing business with them. Ya''ll are the best.
I purchased my transmission about a year ago and I put it in a 1995 Z28 Camaro with a LT1 engine in it. This transmission is just unbelieveable. I''m trying to get in touch with them again to purchase another transmission. At this time, I want to keep doing business with them. Ya''ll are the best.
Verified Buyer: 
5
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