BUELL J8139.3A8 Lightning Front Fork Damper XB12 NV-1377

( Manufacturer Part Number: J8139.3A8 ), ( Part Type: Fork )

Review BUELL Lightning Front Fork Damper Assembly #nv-1377 fits FIREBOLT XB9 2005–2007

Introducing the Buell J8139.3A8 05-07 Lightning Firebolt Front Fork Damper, an essential upgrade for your XB9, XB12, NV-1377 Harley-Davidson motorcycles. This high-performance damper assembly from Buell is meticulously engineered to provide superior handling and riding experience.

The Buell J8139.3A8 Front Fork Damper is a fully adjustable unit, offering precision control over compression and rebound settings. These adjustments allow riders to fine-tune the suspension to their riding style and preferences, ensuring optimal performance on various road conditions.

Designed for the 2005 to 2007 Lightning Firebolt models, this damper assembly is a direct replacement for the original equipment. The durable construction ensures long-lasting performance, while the sleek design complements the aesthetics of your motorcycle.

The Buell J8139.3A8 Front Fork Damper features a low-pressure nitrogen gas charging system, which maintains consistent damping performance throughout the entire travel range. This results in smoother ride quality, improved handling, and increased confidence on the road or track.

Installation is straightforward, requiring no modifications to your motorcycle. Simply replace the old damper assembly with this upgraded unit, and enjoy the enhanced performance benefits.

Investing in the Buell J8139.3A8 05-07 Lightning Firebolt Front Fork Damper is an investment in your riding experience. Experience improved handling, enhanced comfort, and increased confidence on your motorcycle with this high-performance suspension component. Upgrade your XB9, XB12, or NV-1377 today and take your riding to the next level.

Buying the Buell J8139.3A8 05-07 Lightning Firebolt front fork damper for Harley-Davidson XB9, XB12, NV models can offer several benefits and drawbacks, depending on your specific needs and budget. Here's a brief analysis:

1. Improved handling: The Buell J8139.3A8 front fork damper is designed to provide better control and stability, especially during aggressive riding or when carrying a load. This can contribute to a more enjoyable riding experience, particularly for those who frequently take long trips or engage in track days.

2. Adjustability: The damper offers various adjustment options, allowing riders to fine-tune the suspension settings based on their riding style and road conditions. This can help ensure optimal performance in different scenarios, enhancing safety and comfort.

3. Durability: Buell suspension components, including their front fork dampers, are known for their robustness and longevity. This can save you money in the long run by reducing the need for frequent repairs or replacements.

4. Enhanced appearance: Upgrading your bike's suspension can add to its aesthetic appeal, making it stand out from other similar models on the road.

1. Cost: The Buell J8139.3A8 front fork damper can be quite expensive compared to OEM alternatives. This might be a deterrent for some riders, particularly those on a tight budget.

2. Installation complexity: Installing the damper may require some mechanical expertise, as it involves disassembling the front fork and fork tubes. This could potentially result in additional labor costs if you choose to have it installed at a shop.

3. Compatibility: The damper is specifically designed for certain Harley-Davidson models, and attempting to install it on unsupported bikes may lead to issues or even damage to the components.

In conclusion, the Buell J8139.3A8 05-07 Lightning Firebolt front fork damper can offer significant performance improvements for compatible Harley-Davidson models, but it comes with a higher price tag and potential installation challenges. If you're an avid rider looking for enhanced control and customization options, this upgrade might be worth considering. However, if you're on a tight budget or unsure about your mechanical abilities, it may be best to stick with the stock suspension or explore alternative, more affordable options.

Details:

Used fork damper assembly, fits 05-07 Firebolt and Lightnings with 43mm forks. They may be dirty, have signs of previous use, or need repair/maintenance. It has some surface rust but isn't bent or damaged, no stripped threads. If you purchase a set of forks for 30-40 year old bike, the seals should be replaced.

CDs computers can only be tested on the bike. Items will come with everything shown in the photos, nothing more or less. If hardware is included, it may be incomplete the small bits get lost sometimes or damaged we regularly include as a reference for replacement. Please pack the item securely.

If you purchase brake parts, they may need to be rebuilt.

part #: j81393a8 prices

• $175.00-$242.39

specifications fotubrak:

• for models: Xb9, Firebolt
• for makes: Buell
• for years: 2005-2007
• mpn: J8139.3a8
• part type: Fork

seller fotubrak:

• city: Clio, Michigan
• # reviews: 2445
• rating: 99.7%

shipping fotubrak:

• type: Calculated
• carrier: USPS, UPS
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail Express
• transit: 4-7 Days
• class: Standard, Expedited
• cost: $16.15

payments fotubrak:

• wallet: Apple-pay
• other
• credit card: Visa

returns fotubrak:

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

general fotubrak:

• condition: Used
• Suspension Handling > k Suspension Parts > k Legs Tubes

offer fotubrak:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True
• started: March 12, 2026

Buell J8139.3A8 Is Similar To:

• 050594 Buell Tube Outer Fork Lightning Firebolt (39.4% similar) The part is in good mechanical condition and completely functional. It is priced to go, as the average price on going for close double of my ask. The part is coming directly off a 2003 XB9S lightning. You are buying for a front right fork outer tube...(April 19th, 2018)
• 46095 98y Buell Lightning Left Fork Fits (40% similar) ...(April 19th, 2018)
• 47111-23h0 Buell Lightning Front Fork Suspension Mount Brackets (40.5% similar) ...(June 23rd, 2018)
• 61008042000 Buell Ulysses Left Front Fork Suspension Straight (34.2% similar) ...(June 23rd, 2018)
• Buell Ulysses Right Fork Internal Damper Keihin (39.4% similar) ...(March 25th, 2018)
• J8142.1b7 Rev C Unbranded Erik Buell Ebr Motorcycle Left Front Fork Slide (30.4% similar) Erik buell racing Ebro motorcycle left front fork, slide pipe comp manufacturer part number: J8142...(November 7th, 2018)
• J8143.1b7 Rev C Unbranded Erik Buell Ebr Motorcycle Right Front Fork Slide (31.4% similar) Erik buell racing Ebro motorcycle right front fork slide pipe comp manufacturer part number: J8143...(November 7th, 2018)
• J9146.t Buell Fork Cap (24.3% similar) Buell J9146...(October 1st, 2017)
• Pin 6724-02-017 Buell Forks Fork Left Right Triple Tree (27.1% similar) States but all us. Frames, engines and major components come with a bill of sale from pinball cycle parts, inc. Good Dino run. So what is the small print. Age and mileage should be considered in determining normal wear. Please double check for fitment your application. Com, call us or visit on ...(August 30th, 2018)
• Pin 6737-02-017 Buell Xb Ulysses Forks Fork Left Right Triple Tree (27.8% similar) It is the solution to getting you back on road of freedom. View full image this is the bike part came off of. The bike had an 1200CC engine and a 5 speed transmission. We bring our showroom to you by accurately describing and photographing the honest condition of each unique part. It is illegal to ...(January 31st, 2019)
• R J0122.02a8 Buell Firebolt Xb9 (31% similar) The tube is straight and we back it up with a 60 day warranty. Fits Firebolt from 2002 thru part r J0122. Look closely at all the photos before you bid. This buell XB9R firebolt, right fork tube, is in excellent condition, except for that gouging down at the lower corner. Shipping is actual cost, ...(January 22nd, 2018)