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Product details
The GM caliper O-ring kit contains four round piston seals with a 2.000-inch listed inside diameter. Its 0.139-inch section is a distinguishing service dimension, separate from other two-inch seals in the Wilwood range. Manufacturer material code 210A identifies the compound entry without implying an unverified chemical formulation. Founded in 1977 by Bill Wood, Wilwood Engineering is based in Camarillo, California. Its disc brake systems and components serve motorsport, street-performance and specialized applications. Calipers, brake rotors, master cylinders, valves, fittings and brake lines are among its products, selected according to the complete brake system’s requirements.
Technical Details
- Manufacturer part number: 130-0777
- Service component: Caliper O-Ring Kit
- Seal profile: O-Ring
- Manufacturer-listed seal inside diameters: 2.000 inches
- Listed seal thickness: 0.139 inch
- Manufacturer material code: 210A
- Pack quantity: 4 Pack
- Seal fluid compatibility: DOT 3, DOT 4 and DOT 5 as specified for these seals. Follow the complete caliper and vehicle fluid requirements; do not mix silicone DOT 5 with DOT 3, DOT 4 or DOT 5.1.
Fitment & Compatibility
FL176 identifies this seal kit for the two-inch-piston GM Metric iron caliper service arrangement. Check the exact caliper reference and seal groove before replacement, and establish how many seals the repair needs. The kit does not describe every rubber or mechanical part required for a complete caliper overhaul.
With over 20 years of parts experience, PMB Performance can help compare this component with your existing brake assembly. Include its caliper reference and any conversion-kit information.