Wilwood Caliper-GP310 Red Front L/H 84-99 1.25in Pistons .25in Disc

SKU: WIL120-7737-RD

Brake Calipers

WIL GP310 Caliper...

Wilwood

Wilwood Caliper-GP310 Red Front L/H 84-99 1.25in Pistons .25in Disc

SKU: WIL120-7737-RD

Brake Calipers

WIL GP310 Caliper...

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Wilwood's GP310 motorcycle disc brake caliper has been designed and engineered for use on 1984 to 1999 Harley-Davidson® Motorcycles. Built around a 4-piston, high performance powerhouse, this billet aluminum caliper brings distinctive, bolt-on styling: Direct leg-mounted calipers are available for all single and dual disc models (except Springer and 4-speed FL models), as well as the 1983 XR 1000.

Part Type

Brake Calipers

Data: v4.2 - Upd: 2026-10-16 04:11:14

Specifications

Product Attributes - UPC: 889545005592
Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Quantity: Sold individually.
Product Attributes - Part Type: Brake Calipers
Product Attributes - Thread Size: 3/8 in.-24
Product Attributes - Caliper Logo: Wilwood
Product Attributes - Product Line: Wilwood GP310 High Performance Billet Motorcycle Calipers
Product Attributes - Caliper Color: Red
Product Attributes - Caliper Series: GP 310
Product Attributes - Remanufactured: No
Product Attributes - Caliper Material: Aluminum
Product Attributes - Brackets Included: No
Product Attributes - Fittings Included: No
Product Attributes - Brake Pads Included: Yes
Product Attributes - Piston Diameter (in.): 1.250
Product Attributes - Rotor Thickness (in.): 0.250 in.
Product Attributes - Caliper Piston Quantity: Four
Product Attributes - Parking Brake Provision: No
Product Attributes - Manufacturer's Part Number: 120-7737-RD

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil120-7737-RD
SFX Item ID	4406443
Supplier Item Code	4406443
Manufacturer SKU	120-7737-RD
Manufacturer UPC	889545005592
Alternative References	gp310, Caliper-GP310, 1.25in, .25in

Compatibility

Application Data

Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLH ELECTRA GLIDE
Beginning Year 1984
Ending Year 1985
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHRCI ROAD KING CLASSIC
Beginning Year 1998
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHRI ROAD KING
Beginning Year 1996
Ending Year 1997
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHR ROAD KING
Beginning Year 1994
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHS ELECTRA GLIDE SPORT
Beginning Year 1984
Ending Year 1984
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHS ELECTRA GLIDE SPORT
Beginning Year 1987
Ending Year 1993
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHTC ELECTRA GLIDE CLASSIC
Beginning Year 1984
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHTCI ELECTRA GLIDE CLASSIC
Beginning Year 1996
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLHTCU ELECTRA GLIDE ULTRA CLASSIC
Beginning Year	1989
Ending Year	1997
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLHTCUI ELECTRA GLIDE ULTRA CLASSIC
Beginning Year	1995
Ending Year	1999
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHT ELECTRA GLIDE STANDARD
Beginning Year 1986
Ending Year 1987
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHT ELECTRA GLIDE STANDARD
Beginning Year 1995
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLHX ELECTRA GLIDE SPECIAL
Beginning Year 1984
Ending Year 1985
Caliper Position Front Left
Application Notes Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLSTC HERITAGE SOFTAIL CLASSIC
Beginning Year	1988
Ending Year	1999
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLSTF FAT BOY
Beginning Year 1990
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLST HERITAGE SOFTAIL
Beginning Year 1986
Ending Year 1990
Caliper Position Front Left
Application Notes Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLSTN HERITAGE SOFTAIL NOSTALGIA
Beginning Year	1993
Ending Year	1993
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLSTN HERITAGE SOFTAIL SPECIAL
Beginning Year	1994
Ending Year	1996
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLTC TOUR GLIDE CLASSIC
Beginning Year 1984
Ending Year 1991
Caliper Position Front Left
Application Notes Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLTCUI TOUR GLIDE ULTRA CLASSIC
Beginning Year	1996
Ending Year	1996
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search	Search by make and model
Make	HARLEY DAVIDSON
Model	FLTCU TOUR GLIDE ULTRA CLASSIC
Beginning Year	1989
Ending Year	1995
Caliper Position	Front Left
Application Notes	Will not fit 4 speed models.

Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLTRI ROAD GLIDE
Beginning Year 1998
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FLTR ROAD GLIDE
Beginning Year 1998
Ending Year 1999
Caliper Position Front Left
Application Notes Will not fit 4 speed models.
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FXDB-D DYNA GLIDE DAYTONA
Beginning Year 1992
Ending Year 1992
Caliper Position Front Left
Brake Caliper Search Search by make and model
Make HARLEY DAVIDSON
Model FXDB-S DYNA GLIDE STURGIS
Beginning Year 1991
Ending Year 1991
Caliper Position Front Left