PADO404: Dodge/Chrysler/Mopar Big Block (B/RB-series) w/ 6-bolt crank flange to Ford Ecoboost 6R80/10R80 V6 Automatic Transmission Adapter Kit

Dodge/Chrysler/Mopar Big Block (B/RB-series) w/ 6-bolt crank flange to Ford Ecoboost V6 (6R80/10R80) Automatic Transmission Adapter Kit

ADDITIONAL PRODUCTS AVAILABLE:  If you are planning to purchase a Shift Controller option with your Adapter Kit, please see the link below to add the Throttle-position Sensor (TPS) Adapter Kit to suit your application.

TRANSMISSION STAND-ALONE CONTROLLERS & TPS ADAPTER KITS - ADD-TO-ORDER HERE

KIT OVERVIEW

Easily bolt your 1958-78 Chrysler B or RB engine (350/361/383/400/413/426/440) to a Ford Ecoboost V6 (2.7/3.0/3.5L) automatic transmission (6R80/10R80) with this adapter kit.

This kit is NOT compatible with the 8-bolt crank flange version of the B and RB engines. The flexplate provided in the kit is for an internally balanced engine ONLY. If you have an externally balanced engine, you will need to have our flexplate match balanced to your crank. 

* NOTE: A 164-tooth neutral balanced Ford small block flexplate MUST be used with this kit. (Pioneeer #FRA-317 or equivalent) *

Key Features:

• Just under 1-Inch Thick Billet Aluminum Adapter Plate – Strong, precise, and built to handle high torque.
• Starter remains in the factory location – Ensuring header clearance with multiple sets of clocking holes to position the solenoid in the perfect way for your build.
• Starter Included –  Off the shelf and easily replaceable if the situation ever arises.
• All Hardware Included – High-grade bolts and fasteners for a complete, hassle-free install.

KIT Includes:

• Billet aluminum adapter plate
• Crank adapter
  
• GM High Torque Mini Starter 
• Complete hardware set + Instructions

Looking for an Affordable 6R80 or 10R80 V8 Transmission Alternative? Try the Ecoboost V6 Instead!

Building on a budget or just can't justify the high price of a V8 6R80? We've got a smarter, cost-effective solution—use a Ford Ecoboost V6 transmission instead!

V6 6R80 and 10R80 transmissions are not only more affordable and widely available, but they also benefit from excellent aftermarket support. While the V6 and V8 versions share many components, there are two key differences to be aware of:

1. Bellhousing Shape – The V6 and V8 have different bellhousing profiles.
2. Rear Output Bearing – The V6 uses a heavy-duty ball bearing, while the V8 features a roller bearing. Why does this matter? The ball bearing in the V6 provides improved support due to the higher low-end torque of Ecoboost V6 engines—making it an ideal fit for performance or towing applications.

Functionally, these transmissions are nearly identical otherwise, making the V6 version a great option for many builds.

Perfect for engine swaps, hot rods, or race builds where the classic Mopar power meets modern Ford drivetrain strength.

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For additional questions, please Call, Text or Email us anytime at
608-640-2328 or Sales@Performanceadapters.com

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