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Product details
The chrome right front GP310 is a four-piston motorcycle caliper for the matched 2008-on Harley-Davidson fork arrangement. Its billet body uses four 1.25-inch stainless pistons and a 2.72-inch lug pattern. Wilwood Engineering, founded by Bill Wood in 1977, is based in Camarillo, California. The company makes and designs disc brake components and systems for motorsport, street-performance and specialized applications, including calipers, brake rotors, master cylinders, valves, fittings and brake lines.
Technical Details
- Manufacturer part number: 120-12116. Component: GP310 Motorcycle Front (2008-UP) caliper.
- Supply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.
- 2.72-inch lug mounting pattern, right hand; mounting height 2.40 inches.
- Caliper weight: approximately 2.1 lb.
- 4 stainless steel pistons with 1.25-inch bore diameter. The specified effective area is 2.46 sq in.
- Brake pad profile 6208; select friction material for the actual operating conditions.
- Chrome finish on a billet aluminum caliper body.
- Hydraulic inlet thread: 3/8-24. Use a fitting with the correct thread and sealing seat.
- The rotor channel is specified for 0.25-inch nominal width. Rotor outside diameter: 9.00 to 11.80 inches. Specified rotor-width limits: 0.18–0.25 inch.
- Piston dust boots: not fitted.
Fitment & Compatibility
Verify the exact motorcycle model and fork before purchase; Springer applications are excluded. Confirm nominal 0.25-inch rotor width, the 3/8-24 inlet and clearance around the complete front brake assembly.
Ask PMB Performance to check the complete brake arrangement before ordering. Our team brings over 20 years of experience; photographs and measured bracket and rotor dimensions make that check more useful.
