Home / Shop / Wilwood Grand National GN6R Radial Mount Brake Calipers 120-13949 Caliper, GN6R, 6-Piston, Aluminum, Gray Anodized, 0.38 in. Rotor, Left Side, Each

Wilwood Grand National GN6R Radial Mount Brake Calipers 120-13949 Caliper, GN6R, 6-Piston, Aluminum, Gray Anodized, 0.38 in. Rotor, Left Side, Each

SKU: WIL120-13949

Brake Calipers

Wilwood

Wilwood Grand National GN6R Radial Mount Brake Calipers 120-13949 Caliper, GN6R, 6-Piston, Aluminum, Gray Anodized, 0.38 in. Rotor, Left Side, Each

SKU: WIL120-13949

Brake Calipers

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

Grand National GN6R forged aluminum six-piston radial mount calipers bring current state-of-the-art design, materials, and manufacturing technology to this long standing icon in the Wilwood caliper line. With a High-strength forged aluminum body in either hard-anodized or Quick-Silver nickel plate finish and Compatible with rotors from 1.25” to 1.38” thickness and diameters from 12.19” to 13.06”. Two body widths are available for use with .80” (20,3) or .99” (25,0) thick pads. Stainless steel pistons are included base model GN6R anodized calipers and Thermlock® pistons in the GN6R/ST models. Uses 3.5” or 6.0” center mount bracket kits to replace all previous Grand National caliper models.

Part Type

Brake Calipers

Data: v4.2 - Upd: 2026-10-16 05:05:50

Specifications

Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Manufacturer's Part Number: 120-13949
Product Attributes - Part Type: Brake Calipers
Product Attributes - Product Line: Wilwood Grand National GN6R Radial Mount Brake Calipers
Product Attributes - UPC: 889545087192
Product Attributes - Caliper Series: Grand National GN6R
Product Attributes - Caliper Piston Quantity: Six
Product Attributes - Piston Diameter (in.): 1.750/1.380/1.380
Product Attributes - Rotor Thickness (in.): 1.380 in.
Product Attributes - Caliper Material: Aluminum
Product Attributes - Caliper Color: Gray/Silver
Product Attributes - Caliper Logo: Wilwood Racing
Product Attributes - Parking Brake Provision: No
Product Attributes - Fittings Included: No
Product Attributes - Fitting Attachment 1: Female threads
Product Attributes - Thread Size: 1/8 in. NPT
Product Attributes - Brake Pads Included: No
Product Attributes - Brackets Included: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil120-13949
SFX Item ID	4779651
Supplier Item Code	4779651
Manufacturer SKU	120-13949
Manufacturer UPC	889545087192
Alternative References	GN6R, 6-Piston