The Wilwood Girling-style master cylinder reservoir cap is a replacement cap with seal and baffle design, molded in durable black nylon. It includes Dot 5 fluid markings and is intended to work with Wilwood master cylinder reservoirs that use Girling-size threads. The cap's seal and baffle help maintain proper fluid containment and compatibility with reservoirs featuring the specified thread size.
Wilwood Replacement Girling Style Master Cylinder Reservoir Cap w/ Seal