24% off
4L60E/4L65E Transmission Heavy Duty 4x4

4L60E/4L65E Transmission Heavy Duty 4x4

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This is a late model 4L60E also known as a 4L65E, compatible with LS style engines rated up to 500hp/450tq, identified by having a single bolt-hole at the very top of the bell-housing

$1,299.00
$1,699.00
$400.00(24%)
MG304-4L65E

Questions? Call Us 800-708-0087

Build Your Order Online

Torque Converter
Torque Converter Upgrade
Shift Firmness
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 [+$100.00]
B) Return your core using our Core Return Service within 30 days of shipment - 3 Yr Warranty activated when core received [+$225.00]
C) No Core will be returned - Pay Core Fee to Activate 3 Yr Warranty [+$500.00]
D) I will Not return a core or pay a core fee. I choose to opt out of any warranty coverage. [+$0 ]
E) Local Core Drop off. (Come visit our Service Center! We offer installation!) [+$0 ]
White Glove WOWanty Upgrade
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.
Popular Accessories (These have been Discounted for your transmission package!)
12 Qts. of Burn Rubber Brewery Premium Synthetic Trans Fluid [+$149.93]
Locking Fillertube & Dipstick [+$35.00]
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 4WD Mega Monster transmission is tough enough to withstand the rigors of even the toughest heavy duty trucks, used for towing/hauling or off-roading. 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 heavy duty 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 tested 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 new 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


 MONSTER HEAVY DUTY TORQUE CONVERTERS AVAILABLE FOR OPTIMUM PERFORMANCE

*Special Note: If you are planning a direct transmission swap it is recommended to re-use your existing extension-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 extension-housings may not be available with this unit. In most cases, you will be required to swap your original extension-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 extension-housing will need to be reused.

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.




customer service is top notch
I am extremely happy with all my purchases that I have received from Monster Transmission. Everyone that I have had the pleasure of speaking with have been pleasant and knowledgeable; especially Charlotte Carter. She took extra time with me, when I was having a difficulty finding the shipping company to return transmission core. So, when I needed to purchase a case of transmission fluid, Charlotte was there again, make the purchase and shipping to my home as seemless as she could. I will recommend Monster Transmission to all my friends and anyone I hear is looking to have work done. Keep up the excellent work.
Verified Buyer: 
5
Yes my name is Glen Atkins at Atkins Transmission and I ordered a Monster Transmission to go in a 1984 Chevrolet Pickup and my customer and I were really pleased with it when the transmission got to us it looked brand new, when we took it out the box Monster Transmission was awesome, we put it in the truck no problems, no leaks we went down the road for the test drive and it was awesome, it was awesome the Monster Transmission I would recommend it to anyone that wanted a good transmission to call Monster and order one from them, thank you.
Verified Buyer: 
5
4L60E/4L65E Transmission Heavy Duty 4x4
What a great transmission, performance is A+. I am glad I did not go with a 2nd rate trans shop. Thank you Monster Transmission team for a great product!
Verified Buyer: 
5
So far so good and the next time I need anything transmission related, I will contact Monster.
I drive a 2000 Chevy Silverado pickup. I have had it for 14 years now and I tow a car trailer with it. I was beginning to have some problems with the transmission slipping. I looked around and was shopping and got my transmission from Monster. When I received the transmission, it was in excellent shape. It was brand spanking new and pretty in the box. We got it installed and got everything programmed. It was very simple. The instructions were very simple and easy to understand. I installed it myself in my driveway. So far it''s been running fantastic. It shifts great, works great, and I would certainly recommend any of my friends or colleagues to shop at Monster Transmission. So far so good and the next time I need anything transmission related, I will contact Monster.
Verified Buyer: 
5
A few problems, but overall quite happy!
You guys were great in responding to me quickly. Kelley handled everything and was fantastic! I had a problem with the shipping company and Kelley was on top of it! Every time i contacted you i got a response quickly except when i asked a question regarding the torque converter installation which i never heard back from you guys and had to figure out myself. Also i talked to someone today about scheduling pickup for the core and I made it clear that i needed it picked up friday, but whomever i talked to sent them out the same day. I work night shift at a hispital and was woken up by the shipping company at my door. The core wasnt ready to be picked up yet, so i was forced to get out of bed and get everything together and secured to ship. Im a little disappointsd that the trans pan doesnt have a drain valve. I put in a little too much fluid and had to drop the pan and refill the trans. Except for a few technical hiccups I gotta say I cant be more happier with the product!
Verified Buyer: 
5
I have had a wonderful time dealing with Monster Transmission. The 4L65E trans that I ordered has impressed me and definitely surpassed my expectations, which were certainly high. The firm shift kit is so smooth and it pulls so well and doesn't fall flat after shifting to third gear. It maintains pulling power through all gears. I will definitely be recommending y'all to all of my friends and family for whatever there transmission needs. I cannot rave enough about how impressed I am with the product y'all provide. It's exceptional and shifts so well and smooth. I love it. I just wish I had heard of y'all sooner because I would have done this so long ago. I am looking forward to any future business with y'all. Thank y'all so much being so attentive and caring. Y'all's customer service is awesome. I'd have lost my mind had I not been able to call and speak with someone and get real time updates on my order. Thank y'all again.
Verified Buyer: 
5
4L60E
I purchased a Monster 4L60E transmission, I actually purchased two of them. One for 1991 Chevrolet step-side and one for a 1996 Chevy Tahoe. I installed the transmission in the Tahoe and redid the entire drive system including the torque converter from Monster. I was extremely happy with the results. The truck had 208,000 on it, I’ve driven it about 7,000 miles with the new transmission, it works phenomenally. I can’t tell you how happy I am with the investment in that transmission. I have three or four trucks that I’m restoring. I just blew the transmission in my 1984 Chevy step side which is scheduled for restoration. At that future point I will purchasing again a 4L60E for that truck. The 1991 that I’m working on, I already have the 4L60E from Monster. It’s gunna be going in probably in a couple months, I have some frame work to do. I highly recommend Monster Transmission. I’ve recommended them to many many people that I’ve dealt with in the past. I’m a hobbyist, I just built a three car garage with a lift in it. Restoration is kind of a family thing with us. Again, I recommend them highly, definitely get their torque converter. You’ll be very happy with the experience. Both, dealing with them, they are very professional and they work with ya all the time. So, buy Monster. Thank you
Verified Buyer: 
5
4l60e trans from monster
my trans is doing great..it shifts firm and quick an also puts down the power to the ground...it has no problem even under heavy loads...my truck runs better now than it has ever I love it thanks guys yall did a great job I will recommend yall to other people who needs a good reliable transmission
Verified Buyer: 
5
The customer service was excellent.
I purchased the 4x4 heavy duty transmission for my 2001 Silverado. I spoke with Javier and the customer service was excellent. They called me back and got all of the questions I needed answered. Everything that I needed to know they were perfect on the spot with everything like that. Once I got the transmission put in (a friend of mine and his own a transmission company and they put it in for me), when they put it in, they didn''t have to do a single adjustment. It was flawless. They put it in, it shifts flawlessly. Being out there in the snow, the mud, the sand, and everything that I have put it through, it works great. I haven''t had a single problem with it. You just turn the key and hit it and you can just feel the power and the shift. Everyone that has been in my truck, I send them right to you guys. Outstanding job and an outstanding product. Keep going with what you guys are doing. Thank you for everything and I hope to do more business with you guys in the future.
Verified Buyer: 
5
My son found Monster Trans online of course, he has a '93 Chevy Silverado, it was stressful knowing we have to change the transmission but we did. I just want you to know at the best price was from Monster Transmissions, we had very, very good contacts, we worked mostly I know we talked to Charlotte a few times, she was very, very good. Price wise this was the best price we could get anywhere, we had people in town that wanted to rebuild the transmission and put it in and it was going to be a heck of a lot more than what we expect, I think our total price was 25 or 23 or something like that, so thank you very much for everything you did, like I said I really didn’t want to put a transmission in my sons old truck but we had already put some other money into it and weren’t able to sell it, we didn’t want to sell it so thank you very much everybody was great that I talked to, like I said I talked to Charlotte a few times, we did return a core and experience was very good, so thank you so very much.
Verified Buyer: 
5
I just got done with this transmission built by Monster Transmission in Florida. It''s a SS version. They said it''s capable of 750 Horse Power. I done test drove it after I done put it in. Again this is a 97 Silverado with about 450 horse power to the flywheel. The green torque converter and chrome pan are very nice looking. They did a very good job shipping it.
Verified Buyer: 
5
They sent it out to me and I actually got it before they said that I would
I have a 2002 Chevy Silverado 4WD 4.8L motor. I ordered a Monster Transmission for it. They sent it out to me and I actually got it before they said that I would. It was easy to put in and the tech department helped me out a lot. The transmission shifts great! It''s the best shifting truck I have ever drove. There is a pretty good shift kit in it. I would recommend Monster Transmission to anyone.
Verified Buyer: 
5
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