SC1 / SC2 / SC3 Caliper – Part No: 120-8787
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SC3 Single Piston
Prod #: 120-8787
Price: $72.75

SC3 Single Piston - Product Summary
Caliper No: 120-8787
SC3 Single Piston

Piston Count 1
Piston Area (in²) 0.87
Piston Type Aluminum
Dust Boot Yes
Rotor Dimensions
Rotor Width (in) 0.25
Rotor Diameter(in) 9.00
Pad Dimensions
Pad Area (in²) 1.7
Pad Volume (in³) 0.26
Duty Rating & Material
Material Cast Aluminium
Weight(Lbs) 1.0
Colors & Finish
Color Clear
Finish Clear Anodize

Mount Center(in) 3.00
Mount Position
Mount Side Universal
Mount Type Floating
UPC Number
UPC 889545006360
Product Documents
Product Data Sheet

Click To Download
Installation Instructions

WARNING: Cancer and Reproductive Harm
Applicable to Brake Pads Only

120-8787 - Product Description

SC3 Single Piston

Designed, engineered and manufactured in the U.S.A., this floating die cast aluminum caliper is a strong, compact, inexpensive answer to the braking needs of recreational, agricultural and industrial vehicles. Features of this single piston design include availability of either 1.06”, 1.19” or 1.25” bore size, fitted dust seal to prevent ingress of environmental contamination, dual bleed fittings for versatility in mounting position and fluid inlets in M10 x 1.0 banjo.

The mounting system features corrosion resistant slide pins floating in viscoelastic rings mounted in the ears of the body for smooth, rattle-free operation. This system controls pad knock-back to retain a consistent pedal or hand lever feel throughout the life of the pads. Weight: from 1.1 pounds. Rotor thickness range: .15” to .25”

Vehicle Applications
Driving Environment Power Sports
Vehicle Sub-Types ATV, Snowmobile
Application Duty Medium Duty
Driving Environment Industrial
Vehicle Sub-Types
Application Duty Medium Duty

Product Specifications

Rotor Compatibility
Rotor Width (in) 0.25
Maximum Rotor Width (in) 0.25
Minimum Rotor Width (in) 0.15
Maximum Rotor Diameter(in) 9.00
Minimum Rotor Diameter(in) 6.50

Brake Pad Specifications
Brake Pad Type 1 6407
Brake Pad Type 2 N-A
Brake Pad Type 3 N-A
Total Pad Area (in²) 1.7
Total Pad Volume (in³) 0.26
Piston Specifications
Piston 1 Bore (in) 1.06
Piston 2 Bore (in)
Piston 3 Bore (in)
Total Piston Area (in²) 0.87

Mounting Specifications
Mount Type Floating
Mount Side Universal
Mount Center(in) 3.00
Mount Hole Size(in) 0.67
Mount Height(in) 0.12
Inlet Thread Size M10 x 1.00
Pad Dimensions & Part Numbers
Pad Dimensions for the SC3 Single Piston Pad Dimensions for the SC3 Single Piston Zoom Image
Axle Set P/N
Pad Type
Non-Bedded Pads - by Compounds
CM - Composite Metallic
CM - Composite Metallic
CM - Composite Metallic
Mount Dimensions & Part Numbers

Dimensions for the SC3 Single Piston Dimensions for the SC3 Single Piston Zoom Image

Additional Notes

Parts & Accessories

O-Ring Kit 130-10539
Replacement Dust Boot 210-6391
Replacement Piston 1 200-8226
Replacement Piston 2 N-A
Replacement Piston 3 N-A
Replacement Piston 4 N-A
Cross-Over O-Ring Kit N-A
Bridge Bolt Kit N-A
Wear Plate L/H N-A
Wear Plate R/H N-A
Pad Retainer N-A
Bleed Screw Kit 220-7496
Self Bleeder Tube N-A
Cross-Over Tube N-A
Products commonly used with this item:

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All images shown are for illustrative purposes only. Actual product received may be different than what is portrayed on the web site.
Wilwood makes every effort to maintain our web site to ensure the accuracy of prices and product information. However, product information and prices are subject to change without notice. Please call (805) 388-1188 before ordering to verify current prices and product information.
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Version: 3.05 June 23, 2023