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High Quality  Parts  from 
CAS4


 

This is a 4 Piston Differential Bore Caliper

1984- 1999
HD Models

4 Piston

Direct Bolt-On
Differential
Bore Caliper


FXR, FXD, FXWG all models except FX with wire wheels

XL, XLH, all models except XLH with wire wheels

FXST all models except FXSTS

FLST all models, including all Fatboy & Heritage models except FLSTS


FLH, FLT, FLHR

Powerful 4 Piston Differential Bore Caliper


Orders

4 Piston Caliper on Road King Information
The most powerful 4 piston caliper available anywhere! Tried and proven, now ready to give you the best feel and power possible!

Caliper bolts directly to fork with no bracket

Order 1 left caliper for single disc and 1 right and 1 left  for dual discs

Order discs separately or can be used with stock discs


 

137X4B CALIPER FOR 11.5" DISCS

Left Side Calipers

Standard
Polished
Chrome

PM-0053-2915
PM-0053-2915-P
PM-0053-2915-CH



Right Side Calipers

Standard
Polished
Chrome

PM-0053-2916
PM-0053-2916-P
PM-0051-2916-CH



Retail

$349.95
$379.95
$429.95



Retail

$349.95
$379.95
$429.95


Use Discs
11.5" Standard 1pc Disc11.5" Stainless 1pc Disc11.5" Image Series Discs11.5" Full Floating Disc

Order 11.5" disc or use stock 11.5" disc.

Disc bolts are not included.
Use Bolt Kit
Chrome Bolt Kit

NOTE: This caliper is not guaranteed to fit stock or custom wire wheel applications on narrow forks
because of clearance problems. Please select narrower 125X4SL caliper. 

 

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IMPORTANT:

We at CAS are not a representative of any motorcycle manufacturer and the
parts we sell are not necessarily recommended by any motorcycle manufacturer.

Although our replacement parts are not original factory equipment, our intention
is to provide quality replacement parts that meet or exceed standards set by the
manufacturer.

We are not an authorized Harley® dealer and in no way do we have, or intend to
imply any kind of business relationship with Harley-Davidson Motor Company® .

Our intention is to provide products that can be used on a Harley-Davidson® 
motorcycle.   

CAS sells officially licensed Harley-Davidson®
products. 
However, any products with the trademark, name, word or OEM part number
used in this catalog by CAS is intended to be as a reference only to
the usage of that particular product. None of the parts and accessories in this
catalog were manufactured by or with the permission of the Harley-Davidson®
Motor Co. The words, TC88, Electra Glide, Evolution, H-D, Harley, Harley-Davidson, Low
Glide, Road King, Roadster, Softail, Sportster, Sturgis, Super Glide, Low Rider, and
Wide Glide are registered trademarks of Harley-Davidson® Inc., Milwaukee
Wisconsin, U.S.A. The words, Duo Glide, Dyna Glide, Fat Boy, Hydra Glide and
Bad Boy are trademarks of Harley-Davidson®, Inc., Milwaukee, Wisconsin, U.S.A. 
The following model designations for Harley-Davidson® motorcycles are used in 
this catalog for reference only: EL, FL, FLH, FLHR, FLHS, FLHT, FLHTC, FLHTC-I, 
FLHTS, Ultra, FLHX, FLST, FLSTC, FLSTF, FLSTN, FLSTS, FLT, FLTC, FLTC Ultra, 
FXB, FXD, FXDB, FXDC, FXDG, FXDL, FXDS, FXDS-Conv., FXDWG, FXE, FXEF,  
FXLR, FXR, FXRC, FXRD, FXRDG, FXRP, FXRS, FXRSE, FXRS-Conv., FXRS-SP,  
FXRT, FXS, FXSB, FXST, FXSTC, FXSTS,FXSTSB, FXWG, GE, K, KH, WL, WLA, 
XL, XLCH, XLCR, XLH, XLH 883, XLH 1100, XLH 1200, XLR, XLS, XLT, XLX, 
AND XR1000. All other brand names or trademarks, or registered trademarks 
used in this catalog are the property of their respective holders.

Please review our
terms and conditions page Thank You