Engine

V8 Engine Swap Components

Take your 66-77 Ford Bronco to the next level with TOMS OFFROAD's 6-cyl To V8 Conversion collection. We're talking about a powerful upgrade from a 170/200 six-cylinder engine to a 289, 302, or 351W V8 - giving you the performance and reliability you need for your classic Bronco.

19 products

66-77 Ford Bronco 6-Cyl to V8 Conversion Information

Conversion parts designed to support swapping an early Bronco from a 6-cylinder engine to a V8.

  • Includes components for converting 66-77 Ford Broncos from a 170 or 200 six-cylinder engine to a 289, 302, or 351W V8.
  • Available parts include engine mounts, transmission adapters, exhaust components, cooling system parts, and fuel system components.
  • Designed to support a more complete engine conversion with Bronco-specific fitment in mind.
  • Supports upgrades in power and overall drivetrain capability.
  • Built around the key systems commonly addressed during a V8 conversion.

Frequently Asked Questions

What years and models does TOMS OFFROAD carry parts for?

TOMS OFFROAD stocks parts for Early Ford Broncos (1966–1977), Full-Size Ford Broncos (1978–1996), the 6th Generation Ford Bronco (2021+), and classic Ford F-Series (1953-1996). With over 4,000 parts in stock across these platforms, TOMS OFFROAD is a one-stop shop whether you're restoring a classic or upgrading your driver.

How do I know if a part will fit my specific Bronco or truck?

Every product listing includes compatibility details and model year fitment information. You can also use the site search to quickly find parts specific to your build. If you’re unsure, the TOMS OFFROAD team can help confirm fitment by phone at (541) 779-1339 or email at info@tomsoffroad.com. Our staff has over 200 years of combined experience with Ford Broncos and trucks.

Does TOMS OFFROAD develop its own parts?

Yes. TOMS OFFROAD has an onsite engineer as well as a knowledgeable R&D team who are constantly looking to design or improve products for the market. We are extremely proud of our in-house line called the Signature Series. These parts are engineered with meticulous attention to detail specifically for Early Broncos. In addition to in-house products, TOMS OFFROAD carefully selects components from trusted third-party manufacturers to ensure consistent quality, performance, and reliability.  Shop Signature Series →

Can I do a modern engine swap (like a Coyote 5.0) in my Bronco and does TOMS OFFROAD carry parts for it?

Yes. A modern engine swap is one of the most popular upgrades for Early Broncos. TOMS OFFROAD offers complete 5.0L Coyote Conversion Kits designed specifically for 1966–1977 Broncos. The TOMS OFFROAD tech resource library also covers common engine swap questions, including required components and setup considerations. Read the early Bronco Coyote swap overview →

How fast does TOMS OFFROAD ship, and do you offer free shipping?

Most orders ship the same day to minimize downtime and keep your project moving. TOMS OFFROAD offers free shipping on orders over $5,000 across the catalog, plus an Always Free Shipping Collection with select items and no minimum purchase required. Flat rate shipping is also available for oversized items like bumpers and roll bars to help you save. See full shipping program details →

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