Wilwood 120-7737 GP310 4-Piston Motorcycle Rear Brake Caliper

The Wilwood GP310 motorcycle disc brake caliper delivers race-proven stopping power and distinctive styling for 1984-1999 Harley-Davidson motorcycles. This billet aluminum rear caliper features a 4-piston design engineered specifically for Softail, Dyna, and touring models, with unique mounting brackets that combine strength with clean, custom aesthetics.

Key Features:

• 4-piston billet aluminum caliper body for optimal rigidity and heat dissipation
• Stainless steel pistons reduce brake fade and resist corrosion
• High-temperature piston seals for extended service life and controlled retraction
• Available in polished, chrome, or black finishes to match your bike's style
• Exclusive pad anti-rattle clip for quiet operation
• Bright-finish bleed screws and mounting hardware included
• Performance brake pads optimized for wide temperature ranges
• Stainless steel rotor compatible pad formulation
• Drag-free operation for improved efficiency

Designed with the same performance characteristics found in Wilwood's racing calipers, the GP310 provides bolt-on installation with model-specific mounting brackets. The combination of lightweight construction, corrosion-resistant materials, and race-proven engineering delivers reliable, fade-free braking performance for your Harley-Davidson.