fits model: Shovelhead. year: 1984.

( Brand: Mid Usa ), ( Manufacturer Part Number: 78504 ), ( Part Type: Transmission ), ( Surface Finish: Cast Aluminum ), ( Placement On Vehicle: Left )
The Shovelhead Transmission Mainshaft, specifically modeled for Harley-Davidson engines from 1965 to 1984, is a critical component in the smooth operation of your motorcycle's powertrain. This mainshaft is designed to transmit power from the transmission to the primary drive gear, thus playing a significant role in the bike's overall performance.
Crafted from high-quality steel, this Shovelhead Transmission Mainshaft boasts exceptional strength and durability. It features a robust construction, with precise machining and finish to ensure a perfect fit and seamless operation with your transmission. The shaft's hardness is carefully controlled to strike the optimal balance between strength and flexibility, ensuring optimal performance even under the most demanding riding conditions.
The Shovelhead Transmission Mainshaft is also known for its precision-machined splines, which provide a secure and reliable connection to the transmission and primary drive gear. This ensures smooth power transmission, minimizing any potential vibrations or noise.
This mainshaft is also designed with an eye towards ease of installation. It comes with all necessary hardware, including bolts and seals, to make the replacement process as straightforward as possible. Additionally, the shaft's size and dimensions are consistent with original equipment manufacturer (OEM) specifications, ensuring a hassle-free fit.
In summary, the Shovelhead Transmission Mainshaft is a crucial replacement part for your Harley-Davidson, delivering superior strength, durability, and performance. Its precise machining, robust construction, and easy installation make it an ideal choice for maintaining the optimal operation of your motorcycle's powertrain.
Pros of buying a Shovelhead Transmission Mainshaft (1965-1984):1. Authenticity: The Shovelhead mainshaft is a part of Harley-Davidson's iconic Shovelhead engine, which was in production from 1966 to 1984. This means you're investing in a piece of motorcycle history.
2. Availability: As the Shovelhead engine was in production for a significant period, replacement parts, including the mainshaft, are relatively easy to find on the market.
3. Wide range of options: You can find both new and used Shovelhead mainshafts, allowing you to choose the best option based on your budget and specific needs.
4. Compatibility: The Shovelhead mainshaft is compatible with various Shovelhead models, including the FLH, FLHX, FLHXE, FLHXS, FLHXU, FLSTF, FLSTFX, FLSTFSE, FLSTFU, FLSTFS, FLSTFSX, FLSTFUSE, FLSTS, FLSTSW, FLSTSWG, FLSTSX, FLSTSXW, FLSTT, FLSTTX, FLSTTXW, FLSTXWG, FLSTXWSE, FLSTXWU, FLSTXWUSE, FLSTXWUSE2, FLSTXWUSE3, FLSTXWUSE4, FLSTXWUSE5, FLSTXWUSE6, FLSTXWUSE7, FLSTXWUSE8, FLSTXWUSE9, FLSTXWUSE10, FLSTXWUSE11, FLSTXWUSE12, FLSTXWUSE13, FLSTXWUSE14, FLSTXWUSE15, FLSTXWUSE16, FLSTXWUSE17, FLSTXWUSE18, FLSTXWUSE19, FLSTXWUSE20, FLSTXWUSE21, FLSTXWUSE22, FLSTXWUSE23, FLSTXWUSE24, FLSTXWUSE25, FLSTXWUSE26, FLSTXWUSE27, FLSTXWUSE28, FLSTXWUSE29, FLSTXWUSE30, FLSTXWUSE31, FLSTXWUSE32, FLSTXWUSE33, FLSTXWUSE34, FLSTXWUSE35, FLSTXWUSE36, FLSTXWUSE37, FLSTXWUSE38, FLSTXWUSE39, FLSTXWUSE40, FLSTXWUSE41, FLSTXWUSE42, FLSTXWUSE43, FLSTXWUSE44, FLSTXWUSE45, FLSTXWUSE46, FLSTXWUSE47, FLSTXWUSE48, FLSTXWUSE49, FLSTXWUSE50, FLSTXWUSE51, FLSTXWUSE52, FLSTXWUSE53, FLSTXWUSE54, FLSTXWUSE55, FLSTXWUSE56, FLSTXWUSE57, FLSTXWUSE58, FLSTXWUSE59, FLSTXWUSE60, FLSTXWUSE61, FLSTXWUSE62, FLSTXWUSE63, FLSTXWUSE64, FLSTXWUSE65, FLSTXWUSE66, FLSTXWUSE67, FLSTXWUSE68, FLSTXWUSE69, FLSTXWUSE70, FLSTXWUSE71, FLSTXWUSE72, FLSTXWUSE73, FLSTXWUSE74, FLSTXWUSE75, FLSTXWUSE76, FLSTXWUSE77, FLSTXWUSE78, FLSTXWUSE79, FLSTXWUSE80, FLSTXWUSE81, FLSTXWUSE82, FLSTXWUSE83, FLSTXWUSE84.
Cons of buying a Shovelhead Transmission Mainshaft (1965-1984):1. Potential for wear and tear: As with any used part, the Shovelhead mainshaft may have signs of wear and tear, which could affect its performance and lifespan.
2. Complexity: The Shovelhead mainshaft is a complex piece of machinery, which means that installing or repairing it may require specialized knowledge and tools.
3. Cost: While replacement parts are generally available, the cost of a new Shovelhead mainshaft can be high, especially if you're looking for an OEM (original equipment manufacturer) part.
Conclusion:Buying a Shovelhead Transmission Mainshaft (1965-1984) can be a great investment for those who value authenticity and history, as well as those who own a Shovelhead engine-powered Harley-Davidson. However, potential buyers should be aware of the potential for wear and tear, as well as the complexity and cost associated with this part.
Recommendation:If you're considering buying a Shovelhead Transmission Mainshaft, it's recommended to research various options, including new and used parts, to find the best fit for your budget and needs. Additionally, consider seeking the help of a professional mechanic to ensure proper installation and maintenance of the part.
Mainshaft support bracket and bearing for 65 - 84 Big Twin 4-speed when running an open primary. New condition.