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IF BUNDLED WITH FLUID and EXTEND! or $99 WITH JUST FLUID
Power through the toughest jobs with the StreetMonster 4L80E transmission, the ultimate 4-speed automatic built for heavy-duty trucks, SUVs, and high-performance beasts. Renowned for its legendary durability and high torque capacity, the 4L80E is engineered to dominate in towing, hauling, and high-powered applications. With a rugged design and reinforced internals, this transmission is your go-to for reliable, long-lasting performance under the most demanding conditions.
Built to handle up to 750 horsepower and 440 lb-ft of torque, the 4L80E doesn’t just survive under heavy loads—it thrives. Featuring smooth, electronically controlled shifting and a lockup torque converter, it delivers efficient power and crisp performance while maximizing fuel economy. Whether hauling a heavy trailer, crushing off-road terrain, or taking on high-performance challenges, the Monster 4L80E delivers unmatched strength and reliability.
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.