Turbo 350 TH350 Transmission 4x4 Super Duty Performance 4WD, Racing Th350, Race th350, performance turbo 350, Monster TH350
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Turbo 350 TH350 Transmission Super Duty Performance 4WD 4x4 with Free Transmission Fluid
Turbo 350 TH350 Transmission Super Duty Performance 4WD 4x4 with Free Transmission Fluid

Turbo 350 TH350 Transmission Super Duty Performance 4WD 4x4 with Free Transmission Fluid


The Turbo 350 4x4 SSMega Monster transmission is ideal for vehicles powered by engines producing up to 600 horsepower with a non-supercharged system using pump gasoline. 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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Torque Converter
Torque Converter Perf Upgrades
Case Color (shades may vary*)
Output Shaft Length (End of case to end of shaft)
Pan Style
Core and Warranty Options (Please Select One)
Note: A core deposit is required on this product please choose an option below
A) We'll pick up and Build Your Original Core - 90 Day Warranty activated when order ships (+$200.00)
B) Return your core using our Core Return Service within 30 days of shipment - 90 Day Warranty activated when core received (+$250.00)
C) No Core will be returned - Pay Core Fee to Activate 90 Day Warranty (+$600.00)
WOWanty Plans *Must return core or pay core fee to extend warranty
Popular Accessories (These have been Discounted for your transmission package!)
Free 12 Qts. of Burn Rubber Brewery Premium Synthetic Trans Fluid
Kickdown Cable (+$35.00)
Locking Fillertube & Dipstick (+$84.99)
Trans Cooler Kit #1403 (+$49.95)
Torque Converter Bolts (3) (+$9.99)
Universal Dust Cover (+$25.00)
Smooth Cam Drum 400HP & Up (+$849.00)
Transmission Flush - Dr. Tranny Kooler Kleen (+$19.98)
Warranty Upgrade
Included FREE - No Fault Warranty
Time commitments may vary as this is a custom built transmission

SS Mega Monster Transmissions
Engineered to Dominate, the Turbo 350 4x4 SS 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 600 horsepower with a non-supercharged system 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. 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 Turbo 350 is a 3-speed automatic transmission.

The SS 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. This custom built transmission is highly recommended for any type of vehicles that have larger tires and are lifted.

 New Gaskets, Seals, O-rings, Teflon rings
 New Governor & Pump Filters
 New Rubber Seals for Drums & Pistons
 New High Performance Friction Clutches
 New Steel Friction Plates
 New Steel Check Balls
 New Double Lip Seals (Front & Rear)
 New Performance Race Clutches
 New Brass Washer Kit "NO PLASTIC HERE"
 New Bushings & Torrington Bearings

 New Pump Bushing
 New Stator bushings & sealing rings

 Machined surface for Maximum Band Performance
 Spun balanced & checked
 New roller sprag
 New unbreakable drum race

 Thoroughly checked & inspected Spline, Drum casting

 High-Temp. Tolerant
 Improved holding power
 Added strength at Strut Support


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

I ordered a transmission from Monster Transmission about a year ago. It's a TH350 I put in a mud racer Jeep. It's about 650 - 700 HP mud racer. I've got a trans brake on it running a 4WD TH350. The thing has performed just amazing. I have not had one problem with it. I put it in, put the trans brake on it took it to the race. I have raced it 6-7 times and placed up in the top 5 of every race; winning some. Ordering the transmission was great. No flaws at all. It was by far one of the best experiences I've had. Thanks a lot. Monster transmission is great.
Verified Buyer: 
Back in 2012 I bought a Monster 350 Turbo transmission for my son's 1979 Chevy truck, which had 44 inch mudding tires on it. It's been a great Transmission ever since. I'm buying my second transmission fro Monster because there is no question on where to go for the price, warranty and durability. It's been a great one and I'm looking forward to the next one, because I don't have any second thoughts about it. They're good transmission and they do exactly what they say. They are well worth the price you pay for them. I haven't found anybody who can beat the price. Thank you very much.
Verified Buyer: 
Turbo 350
I installed the tranny last week and ran the truck for the long weekend. All I can say is I am REALLY impressed with the whole experience, from ordering to receiving the shipment.
Verified Buyer: 
I've been running my monster th-350 hard for 2 years now with no problems.
Verified Buyer: 
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