Rear Brake Kit – Part No: 140-10178
Call (805) 388-1188
GP310 Motorcycle Rear Sprocket Brake Kit
Prod #: 140-10178
Price: $1,104.38

Rear Brake Kit - Rear Kit


Kit Contents
Wilwood GP310 Motorcycle Rear Sprocket Brake Kit Parts Laid Out - Drilled Rotor Wilwood GP310 Motorcycle Rear Sprocket Brake Kit Parts Laid Out - Drilled Rotor Zoom Image



Kit Summary
Rear End Axle: OEM
Axle Offset: 0.00
Mount Type: Lug
Caliper Type: 4 - Chrome
Rotor Diameter: 9.94
Min Wheel Diameter Req'd*:
*This Brake Kit may fit -inch wheels. Please refer to the wheel clearance diagram to check to see if it will fit your specific wheel. Wheel Clearance Diagram
UPC Number
UPC 889545008708

WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Applicable to Brake Pads Only


GP310 Motorcycle Rear Sprocket Brake Kit

Wilwood’s Sprocket Brake kits 140-10178 / 140-10178-P are for a 48 tooth sprocket and R/H caliper application. The sprocket-rotor bolt circle is consistent on all Harley Davidson models with a 5 x 3.25” bolt circle. The accompanying billet aluminum GP310 caliper is a 4 piston powerhouse, available in either chrome or a bright polished finish. Sprocket brake kits utilize a unique bracket design that combines the right elements of strength and style for your custom application.


Fitment & Installation Details

GP310 Motorcycle Rear Sprocket Brake Kit Assembly Schematic

GP310 Motorcycle Rear Sprocket Brake Kit Assembly Schematic GP310 Motorcycle Rear Sprocket Brake Kit Assembly Schematic Zoom Image

Rear End / Axle Housing Flange
Confirm The Configuration!

OEM Flange 		Confirm Offset Measurement!

Axle Flange Cross-Section
Search Rear Kits By Rear End/Axle Offset
caution AXLE OFFSET: 0.00
Check the diagram above and verify this measurement. This kit may be available in several different offsets.
Please call Wilwood with any questions: (805) 388-1188

Wheel Clearance Assembly Instructions

Wheel Clearance Diagram Wheel Clearance Diagram Zoom Image
Part 1
Notes
1. Kit contains: 48 tooth sprocket

Compatible Vehicles for this Brake Kit

BRAKE KIT:   GP310 Motorcycle Rear Sprocket Brake Kit

This Brake Kit is Compatible with the Following Vehicle Makes:  

Note: Kit may fit other vehicles, call Wilwood Sales⁄Tech Support at (805) 388-1188 for more information.

REAR END:   OEM - Rear Kit

AXLE OFFSET:   0.00

For a Complete Listing including ALL Makes, Models and Years, Please click on the Axle Offset.
fitment 1
Offset: 0.00


Kit Components & Specifications
Calipers
Left Hand - Part No:
Right Hand - Part No: 120-10174
Type: GP310
Finish Color:
Piston Count:
Piston 1 Bore (in):
Piston Area (In²):
Piston Type:
Mount Type:
Brake Pad Plate: 6208
Brake Pad Area (In²):
Brake Pad Volume (In³):
Pad Compound: BP-10
Rotors
Left Hand - Part No: 160-10469
Right Hand - Part No:
Type: Motorcyle (sprocket)
Style: Drilled
Surface Finish: Micro Polish
Material: Stainless
Outside Diameter (in): 9.88
Width (in): 0.35
Vane Count: Solid
Design Type: Solid
Bedded: No
Dynamically Balanced: No
Motorcyle (sprocket) - Stainless - Micro Polish Motorcyle (sprocket) - Stainless - Micro Polish Zoom Image
Rotor Hats
Hat - Part No:
Type:
Material:
Finish Color:
Hat Offset Dimension (in):
Bolt Circle 1:
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter - BC 1:
Stud Diameter - BC 2:
Stud Diameter - BC 3:
Hubs
Hub - Part No:
Type:
Material:
Finish Color:
Mount Style:
Bolt Circle 1:
Bolt Circle 2:
Bolt Circle 3:
Stud Diameter - BC 1:
Stud Diameter - BC 2:
Stud Diameter - BC 3:

Parts & Accessories
Caliper Parts
O-ring Kit:
Replacement Dustboot:
Replacement Piston 1:
Replacement Piston 2:
Replacement Piston 3:
Replacement Piston 4:
CrossOver O-Ring Kit:
Crossover Tube:
Self-Bleeder Tube:
Bridge Bolt Kit:
Wear Plate - Left Hand:
Wear Plate - Right Hand:
Pad Retainer:
Bleed Screw Kit:
Brake Lines
Hat
Bolt Kit:
Hub
Bolt Kit:

Additional related products:




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Version: 3.05 June 23, 2023