24% off
Turbo 400 TH400 Heavy Duty Performance Transmission 2WD : 4" Tail


Turbo 400 TH400 Heavy Duty Performance Transmission 2WD : 4" Tail

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Mega Monster Transmissions Engineered to Dominate, the Turbo 400Mega Monster transmission is ideal for vehicles powered by engines producing up to 550 horsepower using pump gasoline

$1,299.00
$1,699.00
$400.00(24%)
Product Available
MG24-TH400
Questions? Call Us 800-708-0087

Build Your Order Online

Torque Converter
Shift Firmness
Case Color (shades may vary*)
Speedometer
Case Type
Pan Style
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 [+$250.00]
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
Popular Accessories (These have been Discounted for your transmission package!)
12 Qts. of Burn Rubber Brewery Premium Synthetic Trans Fluid [+$149.93]
Fillertube & Dipstick [+$39.00]
Universal Transmission Mount [+$19.94]
Trans Cooler Kit #1403 [+$49.95]
Torque Converter Bolts (3) [+$9.99]
Universal Dust Cover [+$25.00]
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 Turbo 400 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 engines producing up to 550 horsepower using pump gasoline. Equipped with a Manual/Automatic valve body, most units allow you to manually 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!". When you use the manual gear selection feature, the Mega Monster upshifts and downshifts when you move the shift lever, please note, in order to have complete control of the RPM shift timing you must upgrade to a full manual valvebody. When you select the normal drive position, the transmission retains its firm, automatic shifts for the ease of driving you look for in an automatic transmission.

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 custom made in the USA and quality checked to ensure your peace of mind. For the system to operate properly, all throttle linkage, vacuum lines and kick-down components must be connected and adjusted properly.

 PRECISION MASTER OVERHAUL KIT
 SUPERIOR HIGH PERFORMANCE REPROGRAMMING KIT
 UPDATED/MODIFIED ACCUMULATORS
 HEAVY DUTY KEVLAR BAND
 UPDATED & MODIFIED GOVERNOR w/SPRING KIT & NYLON GEAR
 RECALIBRATED VALVEBODY
 RECALIBRATED SHIFT PLATE
 NEW HIGH FLOW FILTER
 NEW DIRECT DRUM SPRAG
 NEW LOW/REVERSE HEAVY DUTY SPRAG
 NEW HEAVY DUTY ACCUMULATOR SPRING
 NEW MODULATOR

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.

*Special Note: If you are planning a direct transmission swap it is recommended to re-use your existing tail-housing and speedometer gear for your new unit. This Monster 700R4 Transmission does not come equipped with a new Speedometer Gear. 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 speedometer gear for your application or if you are unsure if your tail-housing will need to be reused.


Yeah, I’ve had outstanding service through Monster Transmission, So now I’d like to get a Monster Transmission Torque Converter. And again the Monster Transmission people have been outstanding with helping me through the rebuild so now I am interested in a torque converter. Thank You very much.
Verified Buyer: 
5
TH400
I'm very impressed with the service and quality monster transformation has to offer from sales all the way to building the transmission they never forgot to keep me in mind as it went through the system they kept me well informedof what was being doneso if you're looking for a transmission build and done the right way I would suggest you use monster transformation they're experts at what they do and they will build your transmission to right way I've been a master mechanic for over 30 years and they have impressed me with their workmanship and keeping me informed please let all your employees know job well done thank you very much
Verified Buyer: 
5
Mechanic
I am verry pleased with the help and service I received from the people at Monster the only surprise I had was I had to install spacers between the stall converter and the flex plate other than that every thing else went smooth it works greate I would highly recommend this company to anyone in need of a quality reman tranny or other components
Verified Buyer: 
5
great trany
shifts perfect love it thanks monster Craig Pfeiffer
Verified Buyer: 
5
Your great customer care gives a big feeling of reliability willing to back up what you sell
I''d like to thank you for your quick response to my order. My 1990Check Truck was in dire need during the snow plow season. This is the first time I''ve ordered from you. I found your website online and decided to call and check you out. The best overall feeling I have with your company is because of the great customer relationship that you have. Your quick response to questions and your friendly advice and your overall friendliness in talking with me. I also called in reference to transmission fluid and my question was answered very quickly by your tech. Your great customer care gives a big feeling of reliability willing to back up what you sell and that''s probably the easiest thing. With this being the first time that I have ordered, it was a good feeling to know that you can call and get good, friendly answers with no sarcasm or anything. Thank you very much and I appreciate the quick responses.
Verified Buyer: 
5
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