A Wilwood O-ring with a 1.489-inch inner diameter identified as 2-029 for 211B/C use, this seal is intended for caliper rebuilds or installations requiring that exact dimension. It restores the hydraulic sealing surface in compatible Wilwood components to help maintain brake pressure and proper piston operation. Install it when servicing calipers that list the 1.489" ID O-ring.
Wilwood 1.489 ID 2-029 O-Ring 211B/C