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Ax15 Adapter To Dana 20 Complete Kit, 1966-77 Bronco

SKU 3615 Categories Advance Adapters, Early Bronco, Early Bronco Adapters, Early Bronco Drivetrain, Early Bronco Transmission & Shifters, Not Eligible for Black Friday

The Ax15 Adapter to Dana 20 Complete Kit is designed specifically for 1966-77 Bronco models, enhancing drivability with a robust and efficient AX15 transmission. This kit is ideal for both everyday driving and off-road adventures.

$3,795.95

Available on backorder

Product Description

Upgrade your Bronco’s performance with the Ax15 Adapter to Dana 20 Complete Kit. Featuring a state-of-the-art AX15 transmission from Advance Adapters, this kit offers an impressive 3.83 to 1 first gear ratio and a 21% overdrive, ensuring a smooth driving experience whether you’re on the highway or tackling rough terrains.

The AX15 transmission provides a significant torque capacity rating exceeding 400 lb.-ft, in addition to a Gross Vehicle Weight Rating of 7,200 pounds and a Gross Combined Weight of 11,000 pounds. Its compact size mirrors the factory 3-speed or 4-speed transmission, allowing for minimal driveline modifications when retaining the Dana 20 Transfer case. A 1-inch body lift is recommended to ensure optimal transmission alignment and facilitate easier installation. For configurations requiring a J Pattern Dana 20, a Twin Stick shifter is necessary.

This complete kit includes:
– New AX15 transmission
– Transfer case adapter and TC shifter bracket
– Ford to AX15 bellhousing adapter plate and clutch disc
– AX15 crossmember mount kit
– Shift handle

Please note: The stock Ford Early Bronco V8 bellhousing must be reused for installation.

Features & Benefits:

Compact design minimizes driveline alterations
Superior shifting dynamics compared to NV4500
400 lb.-ft torque capacity
Suitable for daily driving and off-road applications
1-inch body lift recommended for installation efficiency

Technical Specs:

First gear ratio: 3.83 to 1
Overdrive: 21%
Gross Vehicle Weight Rating: 7,200 lbs
Gross Combined Weight: 11,000 lbs

Additional Information

Additional information

Weight	300 lbs
Dimensions	40 × 24 × 24 in

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Nearly six decades of craftsmanship and innovation have made James Duff Inc. a leading name in Bronco performance.

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Every component is designed, tested, and built for long-lasting durability—on the road and off.

Expert Support

Have questions? Our experienced team is here to help you choose the right parts for your Bronco.

James Duff Inc. specializes in precision-engineered suspension, steering, exhaust and off-road components built exclusively for 1966–1996 Ford Broncos.

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