Thrashin Supply P-54 Foot Pegs For Harley
Thrashin Supply Co. P-54 Foot Pegs for Harley-Davidson – High-Performance Billet Foot Controls
For performance v-twin riders, custom club-style builders, and track-day enthusiasts, the factory foot controls on a motorcycle are a critical bottleneck. Standard factory-installed rubber or stamped-steel footpegs lack the surface area and grip necessary to handle aggressive high-torque acceleration, hard canyon carving, or abrupt emergency maneuvers. Slipping off a footpeg while executing a fast shift or stamping on the rear brake can lead to catastrophic consequences.
The Thrashin Supply P-54 Foot Pegs completely redefine aftermarket foot control dynamics for American v-twin motorcycles. Meticulously designed, track-tested, and manufactured right in Los Angeles, California, these performance platform pegs combine the rugged resilience of aerospace materials with highly engineered ergonomics. The result is a footpeg that stabilizes your lower body, drastically reduces foot fatigue during long-range touring, and matches the aggressive custom styling of modern performance baggers, Dynas, FXRs, and Milwaukee-Eight Softail builds.
Advanced Aerodynamic and Grip Engineering: The Radiused Taper Design
The immense popularity of the Thrashin P-54 pegs for Harley stems from their highly unique structural architecture. Rather than relying on a flat, sharp block of metal that tears up your riding boots, Thrashin Supply Co. developed a multi-dimensional tapered platform that actively improves foot ergonomics:
- 2.25-Inch Tapered Platform: The 2.25″ wide footbed offers an optimized balance between maximum boot real estate and cornering lean angle clearance. The platform gently tapers outward, giving the ball of your foot a rock-solid foundation to push against when leaning the bike hard into tight turns, without prematurely scraping asphalt like overly wide floorboards do.
- Slightly Curved Radiused Grip Surface: The top knurled grip pattern features a proprietary, calculated radius across the surface. This slight curvature is designed to follow the natural roll of your boot sole as you adjust your posture. It allows your foot to naturally pivot smoothly for lightning-fast shifting and rear braking maneuvers, yet instantly bites down to provide maximum vertical and lateral grip the second pressure is reapplied.
- Fully Adjustable ARP Hardware Mounts: Every P-54 kit features a heavy-duty interlocking clevis system locked together by premium, race-grade ARP 12-point bolts. This high-tensile hardware setup allows riders to infinitely adjust the rotational angle of the peg platform. By utilizing a 12-point socket, you can dial in the exact pitch that matches your natural ankle angle, locking it down into a rigid, vibration-free position that will never slip out of alignment under heavy boot pressure.
Uncompromising Material Quality: 6061 Billet Aluminum and Rugged Clevises
True to the brand’s reputation for manufacturing indestructible performance parts, the Thrashin Supply P-54 footpegs are machined out of a solid block of aircraft-grade 6061-T6 billet aluminum. This premium material selection guarantees an incredibly high strength-to-weight ratio, ensuring the peg platform can absorb heavy impact forces without cracking or bending out of true shape.
To accommodate the completely different mounting brackets utilized across different Harley generations, Thrashin Supply utilizes application-specific, heavy-duty clevis options:
- Stainless Steel Clevis: Engineered for traditional Harley-Davidson male mount configurations, including classic Dyna, FXR, Sportster XL, and Touring bagger passenger mounts. This solid stainless steel mount completely eliminates the slop and warping common with cast-iron factory mounts.
- Aircraft-Grade Aluminum Clevis: Engineered specifically for modern 2018 to 2026+ Milwaukee-Eight (M8) Softail rider and passenger mounts. Meticulously toleranced to slide perfectly into the updated factory frame tabs for a clean, tight, and play-free installation.
The P-54 lineup is finished in either a deep, UV-stabilized hard-anodized Black finish or a pristine, brilliant triple-nickel-plated Chrome finish, both providing exceptional resistance to weathering, boot friction, and corrosive road grime.
Straightforward Direct Bolt-On Installation and Fitment Tips
Upgrading your Harley foot controls with Thrashin Supply is incredibly quick and simple. Pre-drilled and fully assembled right out of the box, these pegs are engineered to drop directly into your factory mount locations using your original pivot pins and retaining clips.
Tech Installation Note: To properly adjust and lock down the custom angle of your new pegs, you will need a high-quality 12-point socket (typically a 3/8″ or 10mm 12-point depending on the exact ARP hardware version supplied). Loosen the ARP bolt slightly while mounted on the bike, position your boot on the platform to find your perfect ergonomic sweet spot for shifting and braking, and then torque the hardware down tightly to ensure it remains completely immovable during high-speed highway hauls.
Features & Technical Specifications:
- Product Type: High-Performance Aftermarket Platform Footpegs
- Manufacturer: Thrashin Supply Co. (Made in Los Angeles, USA)
- Platform Material: CNC-machined aircraft-grade 6061 billet aluminum
- Clevis Base: Ultra-tough Stainless Steel (Dyna/FXR/XL/Touring) or 6061 Aluminum (M8 Softail)
- Platform Width: 2.25 inches with an engineered high-clearance tapered edge
- Grip Topography: Milled knurling with a proprietary slight radius for enhanced pedal interaction
- Hardware Included: High-tensile 12-point ARP alignment fasteners
- Available Finishes: Hard Anodized Black, Triple-Nickel Chrome
- Packaging: Sold in matched pairs (left and right sides)
Why Buy Authentic Thrashin Supply Parts From Us?
When outfitting a high-horsepower Harley-Davidson, your safety and control rely entirely on the structural integrity of your contact points. We specialize in premier American v-twin performance upgrades, ensuring you always receive 100% authentic, factory-fresh Thrashin Supply components. Don’t risk your safety on cheap, pot-metal knockouts that can break under heavy standing pressure or vibrate loose on the highway. Invest in track-proven American craftsmanship built by riders, for riders. Review our definitive application guide below, choose your specific Harley-Davidson model generation and position, select your preferred finish, and upgrade your bike to a true high-traction machine today.
Comprehensive Fitment and Application Fit Guide:
Please cross-reference your specific model, year designation, and desired peg location below to ensure a flawless fitment match before ordering:
Dyna / FXR / Sportster XL / Touring Models (1984 – 2026+)
Milwaukee-Eight (M8) Softail Models (2018 – 2026+)
Fitment Exclusions Note
| Harley-Davidson Model Fitment Range | Mount Clevis Style Required | Application Placement Notes |
|---|---|---|
| Standard Male Mount (Stainless Steel Clevis) | Fits all standard driver locations for Dyna (Switchback, Street Bob, Low Rider, Fat Bob, Wide Glide), FXR, and Sportster models. Fits passenger locations on all Touring baggers (Road King, Street Glide, Road Glide, Electra Glide). Look up specific exclusions for offset mounts. | |
| M8 Softail Specific Front / Rear (Aluminum Clevis) | Fits modern Softail frames including Street Bob (FXBB/FXBBS), Low Rider S (FXLRS), Low Rider ST (FXLRST), Fat Bob (FXFB/FXFBS), Slim (FLSL), Heritage (FLHC/FLHCS), and Sport Glide (FLSB). Specify Front (Driver) or Rear (Passenger) variant at checkout. | |
| N/A | Standard Male Mount pegs do NOT fit driver locations on XL1200X Forty-Eight (2010-2022), XL1200V Seventy-Two (2012-2016), or XL1200C Custom (2011-2022) unless an aftermarket footpeg clevis conversion kit is installed. Always check offset peg mount clearance. |
| Product Style | AmericanV-twin Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Black | 1295497 | 280-0452 | 318724 | TSC-2020-1 | In Stock: Ships within 24 hours |
| Chrome | 10399147 | 10399147 | 361153 | TSC-2020-3-D | In Stock: Ships within 24 hours |
