We're sorry, the item you're looking for has been discontinued.

The Biltwell Exhaust Flange has been discontinued and will not be returning.

Replacement Suggestion Exhaust

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This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

Biltwell 1 3/4" Exhaust Flange

The construction is cold-rolled 16-gauge high-tensile steel tubing with a raw finish. Each tube includes 2 header flanges. Sold each.


  • 0.060”/1.5mm x 1 3/4” O.D.
  • Evolution/Twin Cam: 8" long
  • Shovelhead: 8" long
  • Ironhead: 14 1/2" long
  • Panhead: 14 1/2" long
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Fitment Notes & Exceptions
This is a universal fit part; it may or may not fit without modification.
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Shovelhead Item # 1052901 Store SKU Manufacturer Product # EF-SVL-00-RW Availability Out of Stock
Product Style Evo/Twin Cam Item # 1052900 Store SKU Manufacturer Product # EF-EVO-00-RW Availability Out of Stock
Product Style Panhead Item # 1052902 Store SKU Manufacturer Product # EF-PAN-00-RW Availability Out of Stock
Product Style Ironhead Item # 1052903 Store SKU Manufacturer Product # EF-IRN-00-RW Availability Out of Stock