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package differences, or every 2WD/4x4 option. Always verify exact fitment (year, engine, RWD/4x4, options,
and 2WD/4WD) on the product page or with a Monster specialist before ordering.
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In Stock & Ready to Ship NOW!
We’ve carved out a dedicated selection of our most popular transmissions— built, tested, and sitting on the shelf. Orders placed today ship same or next business day so you can stop waiting and start driving.
Unlock the next level of performance with Monster's StreetMonster 6L80E transmission—a 6-speed automatic engineered for strength, precision, and durability. Perfect for light-duty trucks, SUVs, and performance cars, the StreetMonster delivers...
Step up to confident performance for light-duty trucks, SUVs, and performance cars. The RoadReady 6L80 is a 6-speed automatic designed for smooth shifts, efficient cruising, and solid torque handling—ideal for...
Crank up your vehicle's performance with the StreetMonster 10R80 transmission—a cutting-edge, 10-speed automatic engineered for maximum durability, smooth shifting, and high-performance capability. Designed to handle the demands of modern vehicles,...
Experience unmatched power and reliability with the StreetMonster 4L65E transmission—crafted for everyday drivers who demand strength and performance. Engineered with upgraded internals, this 4-speed automatic easily handles more horsepower and...
Conquer any challenge with the SportMonster 68RFE transmission - a 6-speed automatic powerhouse built for heavy-duty trucks and high-torque diesel engines. Designed for rugged durability and smooth performance, the 68RFE...
Unleash the full potential of your ride with the SportlMonster 6L80E transmission - a 6-speed automatic powerhouse known for its strength, efficiency, and versatility. Whether you're cruising daily or pushing...
Unleash unstoppable power with the StreetMonster 5R110 transmission, also known as the TorqShift—a 5-speed automatic designed to dominate heavy-duty trucks and high-torque diesel engines. Built to handle the toughest jobs,...
Monster’s single-clutch 6L80E torque converter is a high-performance upgrade designed to enhance the power and efficiency of vehicles with 6L80E transmissions. Perfect for trucks, SUVs, and performance cars, this torque...
When it’s time to put your LS-powered Chevy ahead of the pack, Monster’s LS Style 4L60E & 4L65E Torque Converters are ready to deliver the strength, precision, and performance you...
When it’s time to upgrade your Ford for serious towing, hauling, or high-performance driving, Monster’s E4OD & 4R100 Torque Converters deliver the power, precision, and reliability you need. Engineered to...
Installed the sport monster in my 2004 GMC Sierra 1500 with the 5.3 that I have done some work too about three days ago so far I’ve put about 50 miles on it. I did the hot flush on all the lines and remove the old cooler and went with the oversized Mishimoto trans cooler. Running the lube guard trans fluid that they sent with. It drove about 50 miles so far going to do the 500 mile break-in. Its shifts really firm and I’m really pleased with everything. No leaks. The stall converter drives great and locks up great. I am pleased with my purchase so far! Excited to break it in and see what this thing will really do!
We got this installed and it seems to work great! Fingers crossed that is lasts long. We did purchase the extended warranty just in case. The people at Monster Transmission were very helpful and our order came quicker than expected. Now we will see how well the core return goes.
Got this transmission back in February and since put about 6k miles with some some light towing over mountains and it seems great so far it is a little louder than stock when shifting at low rpm it kinda chatters but other than that it’s been great
I have yet to have the Transmission installed. It was shipped to a local shop for installation on a 1971 Buick GS and I’m sure that will be great addition to the vehicle instead of the original three speed looking forward to it.
Called and talked to Frankie for quite a bit he is very knowledgeable on his products. We own a shop in Florida and was the first time purchasing from them any questions I had were answered right away. Will definitely be back for more purchases in the future!
I received my transmission approximately 3 weeks after ordering, I found the box had been hit during shipping, so I checked it over to find the bell housing was broke and one of the gallon jugs of transmission fluid was broken open. I refused to unload it and told the trucking company to bring it back. I called Monster and sent them pictures. Krystal got right on it and started the process to get me a replacement. She kept in contact with me on any updates as they were trying to rush me a replacement. Costumer service was excellent. I received another transmission within a couple Of weeks. I installed it and put it to the test. So far no issues. I’m very satisfied with this company. A good idea to check your order before unloading it….
I ordered the road ready (stock rebuild) 6l80. Shipping was quick, communication was great, installed and programmed and my vehicle is running great! Shifts are super smooth and has a great warranty. Will be ordering more. Thanks.
OMG, The people at Monster are the best ! From the beginning, finding someone who knows what they are talking about to making sure all was right was a God send.
I am very pleased with my transmission and the shipping! JC was a lot of help in my order and what I needed for my truck thanks to him I’m all set on my project! Thanks guys.