4L80E

20248012C

StreetMonster Chevy 4L80E Transmission & Converter Conversion Package

$4,299.00 USD

$4,513.95 USD
SALE 5% OFF
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Questions? Call Us 800-708-0087
Features

TRANSMISSION

  • Complete Overhaul Kit: Ensures a fully rebuilt transmission for enhanced reliability and long-term performance.
  • New Electronics: Modernized components ensure precise, reliable shifts and compatibility with contemporary driving demands.
  • Shift Kit: Enhances shift quality for smoother, more responsive driving and reduced internal wear.
  • New Sprags: High-strength components ensure better torque handling and durability under heavy loads.

CONVERSION KIT

  • Stand Alone Transmission Controller
  • Linkage nut
  • Brass coolant line fittings (2)
  • Metric converter bolts
  • Universal transmission mount w/bolts
  • Transmission cooler kit
ABOUT THIS PRODUCT

Upgrade your classic Chevy with the StreetMonster 4L80E Transmission & Converter Master Conversion Package—the perfect solution for replacing your old 2- or 3-speed transmission with the modern performance of a 4L80E Automatic Overdrive. This comprehensive package is designed for customers who want smooth shifts, improved fuel efficiency, and reliable power delivery while maintaining the timeless appeal of their classic Chevy. With most of the necessary components included (excluding the driveshaft, speedo cable, and crossmember), this conversion package makes upgrading seamless and efficient.

The StreetMonster 4L80E transmission offers a 4-speed automatic design with overdrive, delivering better acceleration, fuel efficiency, and long-lasting reliability. Paired with the included heavy-duty torque converter, this package ensures precise shifts, efficient power transfer, and unmatched durability for both daily driving and performance applications.

WARRANTY

Note

  • 2 Year Warranty Unlimited Miles
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Frequently Asked
When Will My Transmission Ship?

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.

What Is the Warranty?

We offer the most comprehensive coverage in the industry:

  • StockMonster: 1 Year (Extendable to 4 Years with Extend)
  • StreetMonster: 2 Years (Extendable to 5 Years with Extend)
  • SportMonster: 3 Years (Extendable to 6 Years with Extend)
  • TrackMonster: 1 Year (Extendable to 4 Years with Extend)

Extend warranties are optional add-ons available during checkout.

Is Shipping Cheaper if I Use a Commercial Address?

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.

Does this Transmission include Fluid?

No — fluid must be purchased separately. We offer special discounted prices and even cheaper shipping options when you bundle with our fluid at checkout.

How do I Return my Old Transmission Core?

Returning your core is simple. Once you are ready to return your core, you can initiate the return process in one of two ways:

  • Fill out our Core Return Form (available online) using the button below.
  • Or call our Customer Service Team at 800-708-0087 to schedule your return freight pickup.

Please Note:

  • The customer is responsible for the return shipping cost.
  • A flat-rate fee of $299 will be deducted from your core refund to cover return freight and handling. If Round Trip Shipping is not Prepaid Upfront.
  • The core must be the same model and not cracked or damaged beyond rebuild.

Our goal is to make this process as seamless as possible — if you have questions about your core return, just give us a call.