You are looking at a Pro-tek CNC billet Front Brake and Rear Brake Fluid Master Cylinder Reservoir Cap Set in matching brite-dipped anodized finish that replaces the stock plastic caps on a 2001-2005 Yamaha FZ1 models.
These sets come available in 4 colors -red, blue, gold and silver.
These two reservoir caps are made from 6061 T6 billet aluminum, are brand new still in original packaging, manufactured in the USA, and all come complete with manufacturer warranty.
The rectangular front brake fluid reservoir cap (Pro-tek Part No. RC-550) is 2.60" x 1.75" with two bolt holes and breather vents etched into the underside to prevent gas vapor buildup. This cap does not come with bolts. You must use your stock cap bolts. Replacement bolts are available in Phillips Flat Head Stainless Steel 316 (A-4) if you are tired of the stock bolts that rust and strip or break off. This cap is engraved with the words Pro-tek Racing USA.
The round threaded rear brake fluid reservoir cap (Pro-tek Part No. RC-175) is 2.25" x .60" and has the word Pro-tek engraved on it twice.
The retail price for this two cap set is $50.
These are not "NO Named Brand" cast aluminum caps machined later to look like billet (made in China) that are all over the Internet. These are American made from solid billet aluminum, 100% CNC machined from a name you can trust - Pro-tek - a leader in the motorcycle industry for over 25 years.
2001-2005 Yamaha FZ1
-Condition: 100% Brand New
-Material: 6061T6 Aluminum
-Available Colors: Red, Blue, Silver, Gold
-Surface finish: Brite-Dipped Anodized
-Feature: 100% CNC manufactured with Pro-tek engraved twice
-Size: Outer diameter 2.25" (50.17mm) with Height .60" (15.24mm) (1)
-Size: 2.60" (66mm) x 1.75" (44.45mm) with Height .25" (6.35mm) (1)
-Placement on vehicle: Front & Rear
-Contents of package: One Front brake cap and One Rear brake cap