ʻO ka pahu pahu pahu kahi mea pani no Wilwood # 260-8555BK.ʻO ke anawaena piston o kēia he 1″ (like me 25.4mm).He ʻano pena ʻeleʻele.Aia nā awa puka ʻelua ma ka ʻaoʻao hema ʻo 9/16-18 ″ & 1/2-20 ″.A no kā mākou helu hapa HBS, ʻo ia ʻo AU0501-MC002.Loaʻa iā mākou he 1-1/8″ bore diameter brake master cylinder (hoʻololi iā Wilwood # 260-8559-BK).ʻO kā mākou MC002 ʻeleʻele anodized alumini manual master cylinder kūpono no 1964-1973 Mustang.