You are looking at two Pro-tek
CNC billet brake fluid caps that replace both the stock plastic front
and rear Brake Fluid Master Cylinder Reservoir Caps on a 2013-2021
Kawasaki Ninja ZX6R ZX636.
This two cap set (Pro-tek Part No. RCK-30) comes available in 4 brite dipped anodized colors -red, blue, gold and silver.
caps are made from 6061 T6 billet aluminum, are brand new still in
original packaging, manufactured in the USA, and come complete with
The round threaded front brake fluid reservoir cap (Pro-tek Part No. RC-100) is 2.25" x .50" and has the word Pro-tek engraved on it twice.
The round threaded rear brake fluid reservoir cap (Pro-tek Part No. RC-300) is 1.5" x .50" and has the word Pro-tek engraved on it twice.
The retail price for this cap set is $50.
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
2013-2021 Kawasaki Ninja ZX6R ZX636
-Condition: 100% Brand New
-Material: 6061T6 Aluminum
-Available Colors: Red, Blue, Silver, and Gold
-Surface finish: Brite Dipped Anodized
-Feature: 100% CNC manufactured with Pro-tek engraved twice
-Size: Outer diameter 1.5" (38.1mm) with Height .50" (12.2mm) (1)
Outer diameter 2.25" (57.15mm) with Height .50" (12.2mm) (1)
-Placement on vehicle: Front & Rear
-Contents of package: One Front & One Rear Brake Fluid Reservoir Cap
-Item is easy to install without any instruction.