Performance Machine 4 Piston Front Caliper for Harley 2008-2026
Elite Control: Performance Machine 4-Piston Differential-Bore Caliper
Experience the difference of precision engineering with the Performance Machine (PM) 4-Piston Front Caliper. Designed as a direct bolt-on for 2008–2026 Harley-Davidson models, this caliper is the perfect solution for riders who find the factory braking response to be “mushy” or inconsistent. By replacing cast-aluminum factory components with high-stiffness billet aluminum, PM ensures every ounce of pressure at the lever translates into immediate deceleration.
The Differential Bore Advantage
What makes this caliper a world-class performer is PM’s specialized Differential Bore piston configuration:
Balanced Pressure: By using two different piston diameters, the caliper applies pressure more effectively across the brake pad. This compensates for the “toe-in” effect as the rotor spins, ensuring the entire pad makes contact simultaneously.
Consistent Lever Feel: The staggered pistons eliminate the “spongy” feel common in factory setups, providing a crisp, linear response that gives you better modulation and control during emergency stops or aggressive cornering.
Even Pad Wear: This technology prevents “tapered” pad wear, extending the life of your brake pads and maintaining peak performance throughout the life of the friction material.
Premium Construction & Modern Style
High-Strength Billet: CNC-machined from a solid block of 6061-T6 aluminum, these calipers are incredibly rigid and lightweight, reducing unsprung weight for better suspension tracking.
Optimized for 11.8″ Rotors: This specific model is clearanced perfectly for the 11.8″ (300mm) front rotors found on 2008-up Touring models and modern Softails.
Signature Finishes: * Show Chrome: A mirror-like, triple-plated finish.
Contrast Cut: Black anodized with hand-machined accents.
Black Ops: A rugged, textured matte black for the “Dark Custom” look.
Gold: A high-end anodized finish for performance-oriented builds.
Technical Specifications
Fitment: Direct bolt-on for 2008–2026 Harley-Davidson models (Touring, Softail, Dyna, and Sportster) with 11.8″ rotors.
Direct Bolt-On: Compatible with OEM master cylinders and standard brake lines (10mm banjo).
Complete Package: Includes high-performance brake pads, bleeder screw, and mounting hardware.
Single/Dual Disc: Sold individually (Order one Left and one Right for dual-disc applications).
Upgrade to the braking system trusted by the world’s top custom builders. The Performance Machine 4-Piston Caliper is where legendary style meets modern safety.
| Product Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Left Side / Contrast Cut | 1764420 | 243-293 | 0052-2425-BM | In Stock: Ships within 24 hours | |
| Left Side / Chrome | 1764421 | 243-291 | 0052-2425-CH | In Stock: Ships within 24 hours | |
| Left Side / Gold Ops | 1764422 | RZ-1764422 | 0052-2425-SMG | In Stock: Ships within 24 hours | |
| Left Side / Black Ops | 10137751 | 206-533 | 0052-2425-SMB | In Stock: Ships within 24 hours | |
| Right Side / Contrast Cut | 764417 | 243-297 | 0052-2424-BM | In Stock: Ships within 24 hours | |
| Right Side / Chrome | 764418 | 243-295 | 0052-2424-CH | In Stock: Ships within 24 hours | |
| Right Side / Gold Ops | 764419 | RZ-1764419 | 0052-2424-SMG | In Stock: Ships within 24 hours | |
| Right Side / Black Ops | 10137750 | 206-534 | 0052-2424-SMB | Only 1 Left: Ships within 24 hours |
Fitment Notes & Exceptions
Designed for 11.8″/300mm rotors
ABS and Non-ABS compatible
Sold individually
This Product Fits
Harley Davidson
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Softail Slim FLS 2015, 2016, 2017
Softail Slim FLSL 2018, 2019, 2020, 2021
Softail Slim S FLSS 2016, 2017
Softail Sport Glide FLSB 2018, 2019, 2020, 2021
Softail Standard FXST 2020, 2021, 2022, 2023, 2024
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