Wilwood Caliper O-Ring Seal 1.12in Square 4-Pack

Wilwood Caliper O-Ring Seal — 1.12in Square (4-Pack) Brand: Wilwood Restore precise, reliable braking with the genuine Wilwood 1.12in square O‑ring seal kit. This 4‑pack delivers OEM-quality sealing for caliper pistons, engineered for a tight fit and long service life in street, track, and performance applications. Exact fit: 1.12" square cross-section matched to Wilwood caliper bore dimensions for leak-free operation. Resists abuse: Premium elastomer formulation resists DOT brake fluid, heat, ozone and aging to maintain sealing integrity under heavy use. Service-ready: Four seals — enough for two calipers or as a spare kit for routine maintenance and quick rebuilds. Preventative maintenance: Replace worn seals to restore smooth piston travel, prevent pad drag, and eliminate fluid leaks. Quality assurance: Manufactured to Wilwood standards to ensure consistent fitment and braking performance. Whether rebuilding calipers or keeping a spare set on hand, this kit helps preserve brake responsiveness and vehicle safety. Trust Wilwood parts to maintain performance when it matters most.