Model 400 Caliper Series

Model 400 Caliper Series (4 Piston)

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 400F

GMA-400FS Smooth Classic
Front Single Disc
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

GMA-400FSB Smooth Black
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-400FSC Smooth Chrome
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 400FDD (Dual Disc)

GMA-400FDDSC Dual Disc, Smooth Chrome
Front Single Disc
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

GMA-400FDDSB Dual Disc, Smooth Black
Front Single Disc
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


 GMA 400M

GMA-400MSB Smooth Black
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-400MSC Smooth Chrome
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-400FDDSB Dual Disc, Smooth Black
Front Single Disc
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

GMA-400FDDSC Dual Disc, Smooth Chrome
Front Single Disc
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


GMA 400MDD (Dual Disc)

GMA-400MDDSC Dual Disc, Smooth Chrome
Front Single
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

GMA-400MDDSB Dual Disc, Smooth Black
Front Single Disc
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


GMA 402ST

GMA-402STSC Smooth Chrome
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.

GMA-402STB
This 4-piston one piece design caliper fits rear 1987-1999 Softail. Works with stock OEM master cylinder and uses stock HD brake line.


GMA 402STM

GMA-402STMSC Smooth Chrome
This 4-piston, one piece design caliper fits all Softail® models 2000-2006.
Works with stock OEM master cylinder and uses stock HD brake line.