GM RH Metric Caliper Oversized

The GM RH Metric Caliper Oversized from AFCO Racing Products is a heavy-duty replacement brake caliper engineered for serious marine and boating applications where reliable stopping power is non-negotiable. Whether you're restoring a high-performance vessel or upgrading aging brake components, this passenger-side caliper delivers the precision and durability demanded by experienced boaters who understand that braking performance directly impacts safety on the water. Built to OEM specifications for General Motors metric brake systems, it restores factory-level braking confidence to any platform that has seen years of use.

This single-piston caliper features a robust steel construction finished in natural (unpainted) steel, designed to withstand the corrosive marine environment and repeated thermal cycling that comes with extended water operations. The 2.750-inch bore provides optimal piston displacement for responsive brake modulation, while the 1.250-inch maximum rotor thickness specification ensures compatibility with modern braking rotor designs commonly found in contemporary marine powerboats. The 5.500-inch floating mount design allows the caliper to self-center on the rotor, reducing uneven pad wear and extending service life—a critical advantage when spare parts access is limited on the water.

Boaters restoring GM metric brake systems will find this oversized caliper compatible with a wide range of performance and marine platforms, particularly those using metric hardware standards. Installation is straightforward for anyone familiar with brake service; the caliper bolts directly to existing floating mounts without modification. At 7.4 pounds, it maintains a practical weight while delivering the structural rigidity required for consistent braking feel in both fresh and salt-water environments. Pair this with quality brake fluid and properly bedded pads for the stopping performance your vessel deserves.