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Monster AOD
Classic Fox-body favorite. Simple, durable, and tuned for responsive overdrive cruising with stronger internals for modern power goals.
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Ford Mustang Transmissions
From Fox-body to S550 and beyond, Monster builds Mustang transmissions that hold power, launch hard, and cruise smooth. Street, strip, or daily—get a setup matched to your build and driving style.
Why Choose a Monster Mustang Transmission?
We go beyond stock with upgraded internals, precision machining, calibrated line pressure, and complete dyno testing. Whether you need crisp, consistent shifts for weekend track time or reliable performance for everyday driving, each unit is engineered for your Mustang’s real-world use.
Backed by expert product specialists and our industry-leading coverage—because at Monster, we build more than transmissions, we build relationships.
Monster 4R70W
Stronger geartrain, smart ratios, and smooth, firm shifts—ideal for SN95/New Edge street builds and mild power adders.
Shop 4R70WMonster 6R80
Coyote-approved. A modern 6-speed with fast, consistent shifts and serious torque capacity for 2011–2014 builds.
Shop 6R80Monster 10R80
Lightning-fast 10-speed with adaptive strategy—optimized for launch, mid-range pull, and efficiency on 2018+ Mustangs.
Shop 10R80Built For Real-World Mustang Use
From dyno-tested builds to expert support, here’s what sets Monster apart for your Mustang.
Upgrades Beyond Stock
Corrects factory weak points with stronger internals, machining, and pressure calibration for street, strip, or autocross.
Matched Torque Converters
Spec’d to your cam, gear, and tire for efficient lockup, heat control, and consistent ETs.
Dyno-Tested Confidence
Every transmission is tested before it ships—install, break in properly, and drive.
Expert Product Specialists
Talk to builders who know Mustangs—from Fox to S650—so you get the right combo first time.
Warranty Coverage
Industry-leading protection with extended options available for long-term peace of mind.
Nationwide Shipping
Fast turnarounds on popular Mustang units with streamlined core return support.
Talk to an Expert
Questions on AOD, 4R70W, 5R55S, 6R80, or 10R80? We’ll match the right build to your Mustang.
Call 1-800-708-0087
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Ford Mustang Transmission FAQ
Helpful answers for choosing, installing, and owning a Monster Mustang transmission.
Which Monster transmission is right for my Mustang?
Match by generation and power goals. AOD fits Fox-body; 4R70W fits SN95/New Edge; 5R55S for early S197; 6R80 for 2011–2014; 10R80 for 2018+. Forced induction or sticky tires? Consider StreetMonster, TrackMonster, or higher-spec options.
Do Monster builds fix common factory issues?
Yes—upgraded clutches, improved lubrication, valve body calibration, and stronger hard parts address known weak points for consistent performance.
Is a torque converter included?
Yes. We include a converter matched to your cam/gear/tire combo to improve launch, efficiency, and drivability.
What about tuning and break-in?
Follow our break-in guidance and ensure your tune accounts for line pressure and shift strategy—especially on electronically controlled units like 6R80 and 10R80.
How fast can I get a replacement?
We stock popular Mustang transmissions for quick shipment. Lead times vary by model and build level—see checkout or call for current ETAs.