wilwood sq ring, caliper, 210m, 1.620 dim id, 0.099 dim thickness, 4 pack

Wilwood’s Caliper Square Ring kits are a convenient way to purchase and use caliper piston seals for periodic maintenance of your Wilwood Calipers. Calipers should maintained in regular schedule to prevent leakage and promote free piston travel. Kits come in 2, 4 & 6 pack configurations.