GMA Model A Caliper (2-Piston)
GMA Model B Caliper (2-Piston)
GMA Model F&M Caliper (4-Piston)
GMA Model S Caliper (6-Piston)
Handlebar Controls
Master Cylinders-Rear
Chrome Parts
Fork Brace
Rotors
Brake Pulley and W7 Wheels
Replacement Parts
 
 

MODEL F&M CALIPER (4-PISTON)

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GMA Model F
Lightweight, compact, yet powerful in design. This four piston billet constructed caliper is in demand. It uses four 1-1/4" diameter centerless ground, anodized pistons. Don't let the size fool you, it's small but efficient! The four pistons deliver ultimate braking power.

GMA 400 - 4 Piston
FX, FXWG & XL 1977-1983
This kit uses two GMA model F, four piston calipers. Included are the necessary mounting brackets and hardware. A direct bolt-on replacement for the dual-disc front ends. Fittings are provided to use the stock HD brake lines. Increases stopping power and eliminates the rattle experienced with stock calipers.
Will not fit Narrowglide 21" Wire Wheel
Kit requires 3/4" bore Master Cylinder
Rotor Available: GMA R77DDQ





GMA 400F
Front Single Disc All Models
1984-1999
Fits all models from late 1984-1999. This 4-piston caliper is used with stock HD brake line and is designed to accept 10mm (3/8-24) banjo bolt.
Will not fit Narrowglide 21" Wire Wheel
Rotors Available: GMA R84Q & GMA R84FQ






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Also available in dual disc.
GMA 400FDD
Also available in a 2-piston design: GMA 200F Single & GMA 200FDD Dual
Also available with chrome finish: GMA 400FC & GMA 400FDDC
Also available in a 6-piston design: GMA 6R320 Single & GMA 6R320DD Dual


Shown in chrome.
Available in
anodized.

GMA 400M
Front application fits all models 2000 and later.
This 4-piston, one piece design caliper fits all models 2000 and later. Uses stock brake line and is designed to accept 10MM banjo bolt Will not fit 21" wire wheels.
Rotor available: GMA 84FM
Also available in dual disc: GMA 400MDD
Also available in chrome: GMA 400MC Single and GMA 400MDDC dual

 

GMA 400DG
Rear Application Fits 1992-1999 DynaGlide
and 1991 Sturgis & Daytona Models
CNC-machined and bright anodized for a good-looking finish. This 4-piston design performs exceptionally well when compared to the OEM single piston caliper. The caliper has four 1-1/4" diameter pistons. Works with stock OEM Master Cylinder.
Rotors Available: GMA R79Q & GMA R79FQ
Also available with chrome finish: GMA 400DGC








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GMA 402ST
Rear Softail 1987-1999
This new 4-piston one piece design caliper fits rear 1987-1999 Softail. Works with stock OEM Master Cylinder and uses stock HD brake line.
Rotors Available: GMA R79Q & GMA R79FQ
Also available in a 2-piston design: GMA 202ST
Also available with chrome finish: GMA 402STC
Also available in a 6-piston design: GMA 6STR320
GMA 402STM
Rear Softail 2000 and later
This 4-piston, one piece design caliper fits all Softail models 2000 and later. Works with stock OEM Master Cylinder and uses stock HD brake line.
Rotor available: GMA R79FM. Will not fit 2000 and up Deuce.
Also available in chrome: GMA 402STMC

GMA 403SA
Rear FXR, Late 1985-1999
Kit includes machined bracket that fits around FXR square swing arm. It is a direct replacement bolt-on kit for FXR bikes.Kit requires 5/8" bore Master Cylinder.
Rotors Available: GMA R79 & GMA R79FQ
Also available in a 2-piston design: GMA 103SA
Also available with chrome finish: GMA 403SAC






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GMA R10Q
Rigid Frame Rear 10-inch Rotor,
1936-Present with 3/4" Axle
Fits all rigid frames with 10" rotor. Includes correct axle spacer, anti-rotation anchor arm, mounting bracket and hardware. Great with 1936-present original HD frames and aftermarket rigid frames. Kit requires 5/8" bore Master Cylinder.
Rotor Available: GMA R10RQ
Also available in a 2-piston design: GMA R10
Also available with chrome finish: GMA R10QC

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