Sunday, April 22, 2018
Motorcycle Caliper – Part No: 120-7741-P
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GP310 Motorcycle Rear Product Number: 120-7741-P     Price: $293.97
Available Caliper #120-7741 Configurations

Chrome Caliper

Right Hand

Black Caliper

Right Hand

Polished Caliper

Right Hand

Red Caliper

Right Hand

Chrome Caliper

Left Hand

Black Caliper

Left Hand

Polished Caliper

Left Hand

Red Caliper

Left Hand

Caliper No: 120-7741-P
Wilwood GP310 Motorcycle Rear Caliper

Wilwood GP310 Motorcycle Rear Caliper

GP310 Motorcycle Rear
Wilwood's GP310 Rear motorcycle disc brake caliper has been designed and engineered for use on 1984 - present Harley-Davidson® Motorcycles. Built around a 4-piston, high performance powerhouse, this billet aluminum caliper brings distinctive, bolt-on styling: Bracket-mounted calipers with a standard 3.50" mount spacing are available for all most models (except Springer and 4-speed FL models).  

Rear calipers and brackets are available for all Softail®, Dyna, and touring models, utilizing unique bracket designs that combine the right elements of strength and style.   Continue >>

120-7741-P - Product Summary
Count: Area (in²): Type: Dust Boot:
4 2.46 Stainless No
Rotor Dimensions
Rotor Width(In): Rotor Diameter(In):
0.25 11.5
Pad Dimensions
Pad Area (in²): Pad Volume (in³):
3.65 0.63
Mount Center(In): Mount Position: Mount Side: Mount Type:
3.5 Left Hand Lug
Duty Rating & Material
Material: Weight(Lbs):
Aluminum 2.1
Colors & Finishes
Color: Finish:
Polished Polish
Product Documents
Full Product Product Data Sheet Installation Instructions
Click To View Click To Download

Vehicle Applications
Driving EnvironmentVehicle Sub-TypesApplication Duty
Motorcycles Heavy Duty
Power Sports ATV, SnowmobileMedium Duty

Product Specifications
Rotor Compatibility
Rotor Width(In): 0.25
Maximum Rotor Width(In): 0.25
Minimum Rotor Width(In): 0.18
Maximum Rotor Diameter(In): 11.5
Minimum Rotor Diameter(In): 9
Brake Pad Specifications
Brake Pad Type 1: 6208
Brake Pad Type 2: N-A
Brake Pad Type 3: N-A
Total Pad Area (in²): 3.65
Total Pad Volume (in³): 0.63
Pad Dimensions & Part Numbers
Pad Dimensions for the GP310 Motorcycle Rear

Pad Dimensions for the GP310 Motorcycle Rear
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Piston Specifications
Piston 1 Bore(In): 1.25
Piston 2 Bore(In): 1.25
Piston 3 Bore(In):
Total Piston Area (in²): 2.46
Mounting Specifications
Mount Type: Lug
Mount Side: Left Hand
Mount Center(In): 3.5
Mount Hole Size(In): 0.39
Mount Height(In): 1.55
Inlet Thread Size: 3/8-24
Mount Dimensions & Part Numbers
Dimensions for the GP310 Motorcycle Rear

Dimensions for the GP310 Motorcycle Rear
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Parts & Accessories
O-Ring Kit: 130-3602
Replacement Dust Boot: N-A
Replacement Piston 1: 200-3533
Replacement Piston 2: 200-3533
Replacement Piston 3: N-A
Replacement Piston 4: N-A
Cross-Over O-Ring Kit: 130-10540
Bridge Bolt Kit: N-A
Wear Plate L/H: N-A
Wear Plate R/H: N-A
Pad Retainer: 180-10341
Bleed Screw Kit: 220-3537
Self Bleeder Tube: N-A
Cross-Over Tube: N-A