Wilwood 120-15752 GP320 Universal Lug Mount Caliper 4 Pistons

Manufacturer WilwoodWilwood
SKU WIL-120-15752

  On demand

 

Wilwood 120-15752 GP320 Universal Lug Mount Caliper 4 Pistons

GP320 Caliper

The Wilwood GP 3230A billet four piston caliper is a compact, high efficiency performer. Weighing just 1.70 pounds, it was purpose built as an upgrade with increased pad size over two piston calipers on lightweight open wheeled racecars. Newly updated to a dual bleeder design, the caliper can now be installed both left hand and right hand inclinations. The GP 320A is also well suited for racing applications including karts, motorcycles, mini-sprints, and formula sports racers. The GP 3230A bridge configuration will accommodate rotors between .75" and .81" thick, with overall diameters between 9.00" and 11.50".

Caliper is full CNC detail machined from premium alloy billet. FEA structural analysis technology was employed to develop a design that minimizes weight and maximizes rigidity against deflection. Full width bridges are reinforced with four, high strength steel cross bridge bolts. The cross bridge bolts are coated for corrosion resistance and provide added resistance to deflection and body separation under high loads. Internal fluid ports with a single outboard bleeder provide quick and effective evacuation of gasses and spent fluid.

Clamping force is generated by four, 1.25" diameter, stainless steel pistons. The clamping force is spread evenly over the length of the pad to minimize backing plate deflection and promote balanced pad wear. The overall piston bore area provides an increase in clamping force over similar range two piston calipers. Stainless steel is used to resist corrosion and retard the heat transfer from the brake pad to the caliper body, seals, and fluid.

Pistons
Piston Count 4
Piston Area (in²) 2.46
Piston Type Stainless
Dust Boot No
Rotor Dimensions
Rotor Width (in) 0.24
Rotor Diameter(in) 11.50
Pad Dimensions
Pad Area (in²) 3.65
Pad Volume (in³) 1.03
Duty Rating & Material
Material Billet Aluminium
Weight(Lbs) 2.0
Colors & Finish
Color Anodize
Finish Type III Anodize

Mounting
Mount Center(in) 3.50
Mount Position  
Mount Side Universal
Mount Type Lug

 

Rotor Compatibility
Rotor Width (in) 0.24
Maximum Rotor Width (in) 0.24
Minimum Rotor Width (in) 0.18
Maximum Rotor Diameter(in) 11.50
Minimum Rotor Diameter(in) 9.00


Piston Specifications
Piston 1 Bore (in) 1.25
Piston 2 Bore (in) 1.25
Piston 3 Bore (in)  
Total Piston Area (in²) 2.46

More Information

Manufacturer WilwoodWilwood
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