What seals the wheel cylender from leaking.The metal puck or the ruber one?Ron
1942 1\2 Ton 1951 1\2 Ton 55 willys cj-5 1954 and 59 Cushman Scooter 1960 Biscayne Sedan 1965 G/10 panel van 1966 C/30 Grizzly Motorhome You know you're a 'Bolter when your daily driver is older than you are... My progress pics
the metal is the piston, the rubber is the seal - the outer rubber boot is the 'safety' - if there's any wetness outside it, you need new inner rubber cup, or new cylinders - the rubber can't seal a rough/scored surface