HARLEY-DAVIDSON 17-578 Brake Pedal Spring Fx 42425-71 1971-E79

( Brand: Harley-davidson ), ( Part Type: Spring Brake Pedal ), ( Oe/oem Part Number: 42425-71 ), ( Manufacturer Part Number: 17-578 ), ( Country Of Origin: United States )

Review HARLEY DAVIDSON Brake Pedal Return Spring Fx

Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX for 1971-1979 Motorcycles

The Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX is a critical component designed specifically for motorcycles produced between 1971 and 1979. This essential part ensures the optimal performance of the braking system by maintaining the correct tension and function of the brake pedal.

This high-quality, OEM (Original Equipment Manufacturer) brake pedal spring is meticulously crafted to meet Harley-Davidson's stringent standards. Made from durable, heat-treated steel, it boasts a robust and reliable design, capable of withstanding the rigors of frequent use on your motorcycle.

The 17-578 42425-71 Brake Pedal Spring FX features a unique and innovative design, utilizing a progressive rate coil spring system. This design allows the spring to provide increased force at the beginning of the pedal stroke, ensuring a responsive and effective braking experience. As the pedal is pressed further, the force decreases, providing a more comfortable and controlled feel for the rider.

This spring is an exact replacement for the original part, ensuring a perfect fit and seamless integration with your motorcycle. Installing this new spring is a straightforward process, requiring no special tools or extensive mechanical knowledge. Simply remove the old spring and install the new one, reassembling your bike's braking system as necessary.

By choosing the Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX, you are investing in a high-performance, reliable component that not only enhances the functionality of your motorcycle's braking system but also contributes to your overall riding experience. This essential part is an excellent choice for riders seeking to maintain the authenticity and integrity of their Harley-Davidson motorcycle.

In summary, the Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX is a crucial component for the braking system of 1971-1979 Harley-Davidson motorcycles. This high-quality, OEM spring features a progressive rate coil spring design, ensuring a responsive and effective braking experience while providing a comfortable, controlled feel for the rider. Installing this new part is a straightforward process, and it is an excellent investment for maintaining the authenticity and functionality of your Harley-Davidson motorcycle.

Pros and Cons of Buying Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX for 1971-1979 Models

a. Improved Braking Performance: This aftermarket brake pedal spring provides better resistance, ensuring a more consistent and efficient braking system.

b. OEM Replacement: This brake pedal spring is a direct replacement for Harley-Davidson motorcycles manufactured between 1971 and 1979.

c. Enhanced Riding Experience: With the improved braking performance, riders can enjoy a more confident and secure feeling while on the road.

d. Durability: The spring is made of high-quality materials that can withstand the test of time, reducing the need for frequent replacements.

a. Cost: Compared to OEM parts, aftermarket parts like the Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX can be more expensive.

b. Installation Complexity: Installing this part may require some mechanical skills or professional assistance, which could add to the overall cost.

c. Availability: This part may not be readily available at local dealerships or motorcycle shops, so riders might need to order it online.

The Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX is an excellent investment for riders who want to enhance their motorcycle's braking performance and riding experience. While the upfront cost and installation complexity are potential drawbacks, the improved performance and durability make this part a valuable addition to any Harley-Davidson motorcycle from the 1971-1979 era.

If you're looking to upgrade your Harley-Davidson's braking system and are willing to invest in a high-quality aftermarket part, consider purchasing the Harley-Davidson 17-578 42425-71 Brake Pedal Spring FX. In the long run, the improved performance and durability will likely outweigh the initial investment and installation costs. However, if you're not confident in your mechanical skills or prefer a more budget-friendly option, you may want to explore other alternatives or consult with a professional mechanic before making a decision.

part # 17578 prices

• $9.95-$22.50

specifications pegponcho:

• for makes: Harley
• brand: Harley-davidson
• part type: Spring Brake Pedal
• oe/oem part number: 42425-71
• manufacturer part number: 17-578
• country of origin: United States

offer pegponcho:

• quantity: 3
• sold: 0
• availability: In Stock
• started: January 29, 2026
• options: Ship-to-home

payments pegponcho:

• credit card: Diners-club
• other
• wallet: Google-pay

general pegponcho:

• Motorcycle Scooter Parts Accessories > Foot Controls, Pedals Pegs > Footrests, Foot Pegs Pedal Pads
• condition: New

seller pegponcho:

• # reviews: 67
• rating: 100.0%

shipping pegponcho:

• transit: 4-9 Days
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• cost: $5.52
• carrier: USPS

returns pegponcho:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

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