Make your bike stand out in a crowd with any one of our distinctive PURPOSE BUILT MOTORCYCLES billet aluminum derby covers
- Machined from billet aluminum to exacting standards out of aircraft grade T-6061 aluminum
- Replaces the stock cover without modifications
- This product was proudly made in the USA
- Hard Anodized with UV protection or Triple Chrome Plate available
Fitment is as follows:
- Fits all Twin Cam models 1999-2018.
- Fits 2018 M8 Softail models (except FLSB Sport Glide and NARROW primary models)
- For FLHTCUL and FLHTKL and ’07-'15 Touring and Trike models equipped with Narrow-Profile Outer Primary Cover, please Click here for your application )
**Gasket Note: 1999-06 Twin Cams (except 2006 Dyna) require 602-114 gasket OEM PART#: 25416-99C. 2006-13
**Dyna and 2007-17 Twin cams and 18 softail (except FLSB Sport Glide and NARROW primary models) require gasket OEM Part#: 25416-06HD
- Gallery
- Description
![DERBY COVERS FOR TWIN CAM/BIG TWIN - Purpose Built Motorcycles](http://purposebuiltmotorcycles.com/cdn/shop/products/image_08f1efd4-22cf-4e70-8be9-5997df6a4edb_1200x.jpg?v=1581023961)
![DERBY COVERS FOR TWIN CAM/BIG TWIN - Purpose Built Motorcycles](http://purposebuiltmotorcycles.com/cdn/shop/products/image_b05a136a-2424-440a-aba2-ac767869327d_1200x.jpg?v=1581023961)
![DERBY COVERS FOR TWIN CAM/BIG TWIN - Purpose Built Motorcycles](http://purposebuiltmotorcycles.com/cdn/shop/products/image_772da603-0eb6-478d-a691-32c17a5d9e02_1200x.jpg?v=1581023961)
![DERBY COVERS FOR TWIN CAM/BIG TWIN - Purpose Built Motorcycles](http://purposebuiltmotorcycles.com/cdn/shop/products/image_a2a50136-a557-43eb-87b1-cbfb42d96bc3_1200x.jpg?v=1581023961)
![DERBY COVERS FOR TWIN CAM/BIG TWIN - Purpose Built Motorcycles](http://purposebuiltmotorcycles.com/cdn/shop/products/image_dc363849-8b73-49ba-ae79-13630deb8a69_1200x.jpg?v=1581023961)
![DERBY COVERS FOR TWIN CAM/BIG TWIN - Purpose Built Motorcycles](http://purposebuiltmotorcycles.com/cdn/shop/products/image_c7b99b6f-43aa-46ae-ba2d-4f356a916275_1200x.jpg?v=1581023961)
Make your bike stand out in a crowd with any one of our distinctive PURPOSE BUILT MOTORCYCLES billet aluminum derby covers
- Machined from billet aluminum to exacting standards out of aircraft grade T-6061 aluminum
- Replaces the stock cover without modifications
- This product was proudly made in the USA
- Hard Anodized with UV protection or Triple Chrome Plate available
Fitment is as follows:
- Fits all Twin Cam models 1999-2018.
- Fits 2018 M8 Softail models (except FLSB Sport Glide and NARROW primary models)
- For FLHTCUL and FLHTKL and ’07-'15 Touring and Trike models equipped with Narrow-Profile Outer Primary Cover, please Click here for your application )
**Gasket Note: 1999-06 Twin Cams (except 2006 Dyna) require 602-114 gasket OEM PART#: 25416-99C. 2006-13
**Dyna and 2007-17 Twin cams and 18 softail (except FLSB Sport Glide and NARROW primary models) require gasket OEM Part#: 25416-06HD