Performance Machine Six-Piston Differential-Bore Front Calipers For Harley 2000-2014
Maximum Authority: Performance Machine 6-Piston Differential-Bore Front Caliper
When standard braking isn’t enough for your riding style or your bike’s weight, the Performance Machine (PM) 6-Piston Differential-Bore Caliper is the definitive solution. By increasing the number of pistons to six, PM has created a “Big Brake” system that offers one-finger stopping confidence and a level of modulation that factory cast calipers simply cannot match.
Advanced 6-Piston Differential Bore Technology
What sets this caliper apart is how it manages its massive clamping force through “Differential Bore” engineering:
Triple-Staggered Piston Sizes: This caliper uses three different piston diameters in a staggered configuration. This ensures that the leading, middle, and trailing sections of the brake pad apply pressure simultaneously and evenly across the rotor.
Eliminate Brake Fade: The larger body and six-piston design act as a superior heat sink. By distributing pressure across a wider area, the caliper stays cooler during aggressive mountain descents or heavy-traffic commuting, virtually eliminating “brake fade.”
Consistent Pad Wear: The staggered pressure prevents the “tapered” wear common in large-surface pads, ensuring your brakes feel the same from the first mile to the last.
Premium Construction & Style
High-Strength Billet Aluminum: Every caliper is CNC-machined from a solid block of 6061-T6 aluminum. This ultra-rigid construction eliminates the “flex” found in OEM calipers, resulting in a crisp, communicative lever feel.
Finish Options: Available in Show-Quality Chrome, Contrast Cut (black with machined accents), or Black Ops (textured matte black).
Direct Bolt-On: Engineered for a perfect fit on 2000–2014 Harley-Davidson models (Dyna, Softail, Sportster, and Touring) utilizing standard mounting points.
Technical Specifications & Fitment
Rotor Compatibility: Optimized for use with 11.5″ (292mm) or 11.8″ (300mm) rotors, depending on the specific model and mounting bracket.
Ready to Install: Comes pre-loaded with high-performance brake pads, a bleeder screw, and a 3/8″−24 banjo bolt.
Dual Disc Applications: Sold individually; for dual-disc setups, please order one Left and one Right side caliper.
Elevate your ride with the most powerful braking system in the V-Twin industry. The Performance Machine 6-Piston Caliper is the choice for riders who refuse to compromise on safety, performance, or prestige.
| Product Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| For 11.5″ Rotor – Left / Chrome | 943789 | 242-601 | 0051-2915-CH | In Stock: Ships within 24 hours | |
| For 11.5″ Rotor – Left / Contrast Cut | 943812 | 243-586 | 0051-2915-BM | In Stock: Ships within 24 hours | |
| For 11.5″ Rotor – Left / Black Ops | 943849 | 605-592 | 0051-2915-SMB | In Stock: Ships within 24 hours | |
| For 11.5″ Rotor – Right / Chrome | 943790 | 242-603 | 0051-2916-CH | In Stock: Ships within 24 hours | |
| For 11.5″ Rotor – Right / Contrast Cut | 943813 | 243-587 | 0051-2916-BM | Only 5 Left: Ships within 24 hours | |
| For 11.5″ Rotor – Right / Black Ops | 943850 | 605-593 | 0051-2916-SMB | In Stock: Ships within 24 hours | |
| For 13″ Rotor – Left / Chrome | 943791 | 242-605 | 299307 | 0051-2917-CH | In Stock: Ships within 24 hours |
| For 13″ Rotor – Left / Contrast Cut | 943814 | 243-588 | 0051-2917-BM | In Stock: Ships within 24 hours | |
| For 13″ Rotor – Left / Black Ops | 943851 | 561-333 | 0051-2917-SMB | Only 4 Left: Ships within 24 hours | |
| For 13″ Rotor – Right / Chrome | 943792 | 242-607 | 0051-2918-CH | In Stock: Ships within 24 hours | |
| For 13″ Rotor – Right / Contrast Cut | 943815 | 243-589 | 0051-2918-BM | In Stock: Ships within 24 hours | |
| For 13″ Rotor – Right / Black Ops | 943852 | 605-598 | 0051-2918-SMB | In Stock: Ships within 24 hours |
Fitment Notes & Exceptions
Not for use with 11.8″ rotors
Will not fit Dyna, FXR, or Sportster models with wire spoke wheels
Will fit ’08-up Touring models, 2008-2013 Trike models, and 2004-2013 Sportster models but will require an 11/16″ bore master cylinder for dual disc applications and a 9/16″ bore master cylinder for single disc applications
This Product Fits
Harley Davidson
Dyna Convertible FXDS 2000
Dyna Low Rider FXDL/I 2000-2005
Dyna Super Glide Custom FXDC/I 2005
Dyna Super Glide FXD/I 2000-2005
Dyna Super Glide Sport FXDX 2000-2005
Dyna Super Glide Sport Touring FXDXT 2001, 2002, 2003
Dyna Wide Glide FXDWG/I 2000-2005
Electra Glide Classic FLHTC/I 2000-2007
Electra Glide Standard FLHT/I 2000-2007
Electra Glide Ultra Classic FLHTCU/I 2000-2007
Road Glide FLTR/I 2000-2007
Road King Classic FLHRC/I 2000-2007
Road King Custom FLHRS/I 2004, 2005, 2006, 2007
Road King FLHR/I 2000-2007
Softail Blackline FXS 2011, 2012, 2013
Softail Custom FXSTC/I 2007, 2008, 2009, 2010
Softail Deluxe FLSTN/I 2005-2014
Softail Deuce FXSTD/I 2000-2007
Softail Fat Boy FLSTF/I 2000-2014
Softail Fat Boy Lo FLSTFB 2010, 2011, 2012, 2013, 2014
Softail Heritage Classic FLSTC/I 2000-2014
Softail Heritage FLST/I 2006
Softail Night Train FXSTB/I 2000-2009
Softail Rocker C FXCWC 2008, 2009, 2010, 2011
Softail Rocker FXCW 2008, 2009, 2010, 2011
Softail Slim FLS 2012, 2013, 2014
Softail Standard FXST/I 2000-2010
Sportster Custom XL1200C 2000, 2001, 2002, 2003
Sportster Custom XL883C 2000, 2001, 2002, 2003
Sportster Hugger XLH883HUG 2000, 2001, 2002, 2003
Sportster Roadster XL883R 2002, 2003
Sportster XLH1200 2000, 2001, 2002, 2003
Sportster XLH883 2000, 2001, 2002, 2003
Street Glide FLHX/I 2006, 2007
V-Rod VRSCA 2002, 2003, 2004, 2005
V-Rod VRSCB 2004, 2005
