SWINGARM FRAMES FOR BIG TWIN 4 SPEED

$1,228.70
In Stock — Ready to Ship
Ships in 48hrs
30-Day Returns
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Weight: 56.00

  • Standard Width
  • 1 1/2″ O.D. Drawn Over Mandrel (DOM) 1/3″ wall tubing for backbone strength
  • 1 1/4″ O.D. x .120″ wall tubing for down tubes and frame cradle
  • TIG welded on all new hardened tooling for the most accurate fit possible
  • Fully machined hourglass style neck
  • Manufacturer’s Statement of Origin is provided with each frame

Required Components

  • 4 speed transmission and mounting plate found in the drive train section
  • Flatside Fat Bob tanks found in the fuel section
  • Chain or belt drive swingarm found in the frame and body section
  • OE or aftermarket shocks found in the frame and body section
  • 4 speed oil tank found in the fuel section
  • 4 speed rear fender supports found in the frame and body section
  • Alternator type Shovelhead or Big Twin Evolution engine
  • Seat for FL, FX 4 speed 1965/1986 found in the frame and body section

Note: As with any frame-up custom build project, it is common shop practice to pre-assemble the entire motorcycle prior to any paint work for compatibility verification of all parts used.
Kraft Tech
30° Rake & No Downtube Stretch

Specifications coming soon.

Shipping Information

In-stock orders ship within 1–2 business days. Shipping time varies by location and carrier. Standard domestic shipping is available for most items. Expedited options may be available at checkout.

  • Free Standard Shipping on orders over $99
  • Most orders ship within 48 business hours
  • Tracking number provided upon shipment
  • Oversized items may require freight shipping

Return Policy

We accept returns on eligible new items within 30 days of delivery. Used parts are sold as-is and may not be eligible for return. Items must be in original, uninstalled condition with all original packaging.

View full Shipping & Returns policy

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Fitment information is listed in the product details above. If you have questions about compatibility for your specific model and year, please contact our team before ordering.
New parts carry the manufacturer warranty where applicable. Used parts are sold as-is and are typically tested or described in detail. See the product condition notes for specifics.
Once your order ships, you will receive an email with a tracking number. You can also log into your account at any time to view order status.
Used parts are generally sold as-is and are not eligible for return unless there was a significant misdescription. Contact us within 7 days of delivery if you have a concern.

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