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IF BUNDLED WITH FLUID and EXTEND! Covers One Way Only
Take your vehicle to the next level with the StreetMonster 6R80 transmission—a 6-speed automatic built for strength, precision, and high-performance capability. Engineered for demanding applications, the 6R80 is a favorite for Ford F-Series trucks, Mustangs, and SUVs, delivering smooth, responsive shifts and unmatched durability. Whether you’re towing, hauling, or hitting the track, this transmission is built to handle the job easily.
Designed to manage high torque and horsepower, the StreetMonster 6R80 features reinforced internals and advanced electronic controls for optimal performance. Its wide gear ratios enhance acceleration at low speeds and maximize fuel efficiency during highway cruising, making it a versatile choice for any driving scenario. Reliable, efficient, and built tough—this transmission gets the job done.
Note
In-stock transmissions usually ship the next business day.
Custom builds or out-of-stock units typically ship within 2–4 weeks.
Need it sooner? Call us — we can often make special arrangements.
We offer the most comprehensive coverage in the industry:
Extend warranties are optional add-ons available during checkout.
No — we offer a $299 Flat-Rate One-Way Shipping to any address, commercial or residential.
If you find a better rate, you're welcome to arrange your own shipping.
No — fluid must be purchased separately. We offer special discounted prices and even cheaper shipping options when you bundle with our fluid at checkout.
Returning your core is simple. Once you are ready to return your core, you can initiate the return process in one of two ways:
Please Note:
Our goal is to make this process as seamless as possible — if you have questions about your core return, just give us a call.