Final Sale & Blem Products

are sold “as is” and cannot be returned or exchanged.

CLOSEOUT Mock Monza Gas Cap Finisher
CLOSEOUT Mock Monza Gas Cap Finisher
CLOSEOUT Mock Monza Gas Cap Finisher

CLOSEOUT Mock Monza Gas Cap Finisher


Regular price $99.95 Sale price$49.95 Save 50%
  • Free Shipping on Orders $399 and Up
  • In stock, ready to ship
  • Inventory on the way
Sold "as is" and may not be returned or exchanged

The British Customs Mock Monza Gas Cap utilizes the factory vented gas cap thread to ensure proper modern ventilation while delivering that old school vintage look to your Triumph Modern Classic. Our Mock Monza Gas Cap replaces the OEM cap cover and easily screws on to your stock gas tank. A quick and easy do-­it-­yourself upgrade that gives your Triumph a truly vintage look, the British Customs Mock Monza Gas Cap is available in a sleek anodized black. For those looking for something flashier, take a look at our Stainless Steel Mock Monza Cap, part of our new decoration.


  • Gives a nostalgic look while maintaining the factory gas cap thread
  • Easy to install
  • Light-­weight and durable
  • Easy to repolish and buffer to keep the cap looking its best

Gas Cap Installation

  1. Use snap ring pliers to remove retaining ring holding stock gas cap threads to cap
  2. Install gas cap threads to British Customs gas cap with stock retaining ring. 
  3. Snap ring pliers can be found at most local hardware stores. 

Included Components:

  • Mock Monza Gas Cap

Q: Does this Monza cap swing open?
A: No, this Gas Cap is only a mock version 

Q: Do I need to use the OEM gas cap?
A: Yes, this cap replaces the OEM cap cover 

Need Help?

We are here to help you customize your Triumph Motorcycle. Please fill out the form below, and a member of the British Customs Team will get back to you within 1-2 business days. Or contact us at 877-999-BRIT or 310-436-8000.

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