Wilwood Caliper-GP310 Polished Rear 1.25in Pistons .25in Disc

SKU: WIL120-7741-P

Brake Calipers

WIL GP310 Caliper...

Wilwood

Wilwood Caliper-GP310 Polished Rear 1.25in Pistons .25in Disc

SKU: WIL120-7741-P

Brake Calipers

WIL GP310 Caliper...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

We accept

Description

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).

Part Type

Brake Calipers

Data: v4.2 - Upd: 2026-10-13 21:12:39

Specifications

Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Manufacturer's Part Number: 120-7741-P
Product Attributes - Part Type: Brake Calipers
Product Attributes - Product Line: Wilwood GP310 High Performance Billet Motorcycle Calipers
Product Attributes - UPC: 889545005745
Product Attributes - Caliper Series: GP 310
Product Attributes - Caliper Piston Quantity: Four
Product Attributes - Piston Diameter (in.): 1.250
Product Attributes - Rotor Thickness (in.): 0.250 in.
Product Attributes - Caliper Material: Aluminum
Product Attributes - Caliper Color: Polished
Product Attributes - Caliper Logo: Wilwood
Product Attributes - Parking Brake Provision: No
Product Attributes - Fittings Included: No
Product Attributes - Thread Size: 1/8 in. NPT
Product Attributes - Brake Pads Included: Yes
Product Attributes - Brackets Included: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Installation requires Wilwood's rear mounting bracket per application.

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil120-7741-P
SFX Item ID	4406429
Supplier Item Code	4406429
Manufacturer SKU	120-7741-P
Manufacturer UPC	889545005745
Alternative References	gp310, Caliper-GP310, 1.25in, .25in