Custom Built Monster 4L65E Transmission
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Custom Built Monster 4L65E Transmission & Torque Converter with Free Transmission Fluid
Custom Built Monster 4L65E Transmission & Torque Converter with Free Transmission Fluid

Custom Built Monster 4L65E Transmission & Torque Converter with Free Transmission Fluid

Build a Monster for your ride! Choose everything from Paint Color to Horsepower. Now Includes the best Full Synthetic Transmission Fluid on the Market provided by Burn Rubber Brewing Co. For Free! INCLUDED FREE - No Fault Warranty A 1-time no questions asked repair or replacement. Covers Shipping, Freight claims, Installation errors, overheating and more!

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Questions? Call Us 800-708-0087

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Power Rating (Transmission) help
Torque Converter
Torque Converter Upgrades
Shift Firmness
Drive Type
Case Type
Case Color (shades may vary*)
Pan Style
Transmission & Converter Core Options
Note: A core deposit is required on this product please choose an option below
A) We'll pick up and Build Your Original Core - Warranty activated when order ships (+$200.00)
B) Return your core using our Core Return Shipping Service within 30 days of shipment - Warranty activated when core received (+$300.00)
C) No Core will be returned - Pay Core Fee to Activate Warranty (+$500.00)
Popular Accessories
Free 12 Qts. of Burn Rubber Brewery Premium Synthetic Trans Fluid
Locking Fillertube & Dipstick (+$84.99)
Universal Transmission Mount (+$19.94)
Trans Cooler Kit #1403 (+$49.95)
Torque Converter Bolts (3) (+$9.99)
Transmission Controller - Carbureted Engine (+$899.00)
Transmission Controller- Fuel Injected Engine (+$899.00)
Transmission Flush - Dr. Tranny Kooler Kleen (+$19.98)
Transmission BELL-HOUSING (+$85.00)
Give Me A Name
Warranty Upgrade
Included FREE - No Fault Warranty
Are you looking for an upgraded transmission? Our Custom Built Monster Transmissions are proudly Made in the USA and built to order. As pioneers of the online transmission world, we've got the experience and proven quality practices to provide you with a transmission ordering experience like no other. Each and every Monster Transmission is custom tailored specifically for your vehicle. Everything from paint color, to shift firmness, and even naming your Monster to bring it to life!

Our transmissions are designed to shift better and last longer. That's why we offer up to a 3 Year, Unlimited Mileage WOWanty on most units.

Engineered to Dominate: This Custom Built 4L65E Monster Transmission is tough enough to withstand the rigors of even the meanest street machines, delivering tire-spinning shifts drive after drive. It is ideal for vehicles powered by engines producing anywhere from 400-1,000 horsepower depending on the options you choose. Equipped with a Reprogrammed Automatic Valvebody, 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 performance shift that bangs through the gears giving you all the right to say "Eat My Shift!".

Monster Transmission Features: Built using the latest technology in our industry with internal components to handle increased strength, dependable performance and Monster torque capacity. All Monster transmissions are custom made in the USA and quality checked to ensure your peace of mind.

Here is a sample of some Premium Upgrades Included with this unit:
 - New Master Overhaul Kit
 - High Performance Shift Reprogramming Kit
 - Modified Pump
 - Upgraded Clutches and Steels
 - New Filter, Band, and Seals!

More than just a Warranty.. transmissions offered by Monster are backed by an Exclusive Nationwide WOWanty! Our Client Care Department is dedicated to providing service that's a cut above the rest. Drive with peace of mind knowing that wherever life takes you, we've got you covered! Being the largest custom transmission builder in the country means we know what it takes to get you on the road and keep you on the road.

Since 2003 Monster Transmission has proudly served over 100,000 clients world-wide. We were the first to offer options like Free Shipping, Free Torque Converters, No Upfront Core Fees, and so much more. Over the years we've constantly stayed on the cutting edge, always looking for better ways to serve you, our loyal clients. We didn't just pioneer the online transmission business, we've fine tuned it. Don't settle for less, let us show you why Monster Transmission is the preferred supplier of experts and enthusiasts around the globe.

*Special Note: If you are planning a direct transmission swap it is required to re-use your existing tail-housing, bell-housing, neutral safety switch, linkage, and speedometer gear depending on your specific application. This transmission may not come equipped with a new Speedometer Gear or Tail-housing. For the system to operate properly, all throttle linkage, vacuum lines and kick-down components must be connected and adjusted properly. If this is a computer operated transmission, you must ensure the system has been cleared and ready to accept the new transmission, your local auto parts store, auto repair or dealership can assist with this.
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