Gas Caps (4.485" O.D.) - For Harley-Davidson FLH Motorcycles
Gas Cap, Threaded Adaptor, and Adaptor Ring available in four finishes (Standard, Chrome, Black Anodized, or Brass). Threaded Adaptor available in two sizes (FLHX "Long" or FLHT "Short"). O.D. - 4.485".
Price includes a Gas Cap, a Threaded Adaptor, and an Adaptor Ring. You can mix and match different finishes.
- Standard Gas Cap: $353.25 with Standard Threaded Adaptor Finish, and Standard Adaptor Ring Finish
- Chrome Gas Cap: $443.50 with Chrome Threaded Adaptor Finish, and Chrome Adaptor Ring Finish
- Black Anodized Gas Cap: $443.50 with Black Anodized Threaded Adaptor Finish, and Black Anodized Adaptor Ring Finish
- Brass Gas Cap: $611.25 with Brass Threaded Adaptor Finish, and Brass Adaptor Ring Finish
The ultimate accessory gives your bike the "WOW" factor! These classic, hot rod-style gas or oil caps have a unique locking mechanism that features a lid and arm/link with controlled stopping points to avoid contact with painted or polished surfaces. This gives you keyless access and it allows to you to fill bigger tanks. Fit Harley-Davidson FLH Motorcycles.
50's Boy patent-pending gas caps feature billet aluminum and stainless steel construction and O-ring seals and are available in standard, chrome, black anodized, brass, or custom finishes. The caps will mount to any flat surface gas or oil tank and our plug-in or screw-in adaptors mean you can have the perfect look for your style - you can even mix and match. You can install yourself or take them to an authorized dealer or to our showroom for quick and easy installation.