fits model: Twin. make: Harley. year: 1958-86.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 24653-58 ), ( Type: Right Side Case Bearings ), ( Manufacturer Warranty: 1 Month ), ( Vintage Part: Yes ), ( Unit Quantity: One Set. ), ( Country Of Origin: United States )
The **Harley-Davidson 24653-58 NOS Right Bearings** for the iconic **1958-1986 Big Twin (FL, FX, FXE, FXR, FXS, FXST, FXD, FXDB, FXDW, FXDWN, FXDWT, FXDWTN, FXDWTNW, FXDWTNWG, FXDWTNWGX, FXDWTNWGXE)** engines represent a rare and highly sought-after piece of genuine OEM (Original Equipment Manufacturer) authenticity. These **new-old-stock (NOS) bearings** are meticulously crafted from high-grade, precision-machined steel, designed to deliver the same seamless performance and durability that Harley-Davidson engines were built upon during their legendary mid-century and classic era. Perfectly engineered to fit the **right-side crankshaft journal** of the legendary **74-cubic-inch (1,212cc) Evolution-style Big Twin**, these bearings ensure smooth operation, reduced friction, and extended engine life critical components for any serious restorer, collector, or enthusiast aiming to preserve or revive the raw, unadulterated spirit of a classic Harley. Whether you're working on a fully restored **1960s FX Super Glide**, a rare **1970s FXE Electra Glide**, or a meticulously maintained **1980s FXDW Night Train**, these NOS bearings guarantee a perfect fit and the same reliability that made Harley-Davidson engines legendary. Their **original packaging and unopened condition** ensure they remain free from wear, corrosion, or aftermarket modifications, making them an invaluable addition to any true Harley-Davidson purist s toolkit. For those who demand nothing less than the finest in authenticity and performance, these bearings are a must-have for maintaining the timeless power and character of the Big Twin.
### **Pros and Cons of Buying Harley-Davidson Part Number 24653-58 (NOS Right Bearings for Big Twin 1958 1986)**
#### **Pros:**1. **New Old Stock (NOS) Quality** The bearings are unused and in original packaging, meaning they are free from wear, contamination, or damage that could occur with used parts. This ensures optimal performance and longevity.
2. **Direct Fitment** These bearings are designed specifically for Harley-Davidson Big Twin engines (1958 1986 models), including the Evolution series. No modifications or conversions are required, making installation straightforward.
3. **Reliability** Harley-Davidson s original components are built to strict manufacturing standards, reducing the risk of premature failure compared to aftermarket or counterfeit parts.
4. **Preservation of Engine Health** Worn or damaged bearings can lead to excessive play, noise, or even catastrophic engine failure. Replacing them with NOS parts helps maintain smooth operation and prevents costly repairs.
5. **Easier Maintenance** Since these are genuine OEM parts, they align perfectly with the engine s design, simplifying installation and reducing the chance of compatibility issues.
6. **Resale Value** If the bike is restored or sold later, having NOS components can increase its appeal to collectors and enthusiasts who prioritize authenticity.
7. **Long-Term Cost Savings** While the upfront cost may be higher than aftermarket alternatives, NOS parts often last the life of the engine, avoiding repeated replacements and labor costs.
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#### **Cons:**1. **Higher Cost** NOS parts are significantly more expensive than aftermarket or used alternatives. For a single bearing set, the price can be prohibitive for budget-conscious buyers.
2. **Limited Availability** Harley-Davidson no longer produces these exact parts, and NOS inventory can be scarce. Prices may fluctuate based on demand, and sourcing may require patience or multiple suppliers.
3. **Potential for Overkill** If the engine is heavily modified or in poor condition, NOS bearings may not justify the expense. In such cases, aftermarket parts that meet OEM specifications could be a more practical choice.
4. **Storage and Handling Risks** NOS parts are delicate and must be stored properly to avoid damage from moisture, dust, or physical stress. If not handled correctly, they could arrive damaged or unusable.
5. **Time-Consuming Installation** Replacing bearings often requires disassembling the engine, which can be labor-intensive, especially for inexperienced mechanics. Professional labor costs add to the total expense.
6. **Market Speculation** Some sellers may inflate prices due to the rarity of NOS parts, leading to overpayment. Buyers must verify authenticity and condition before purchasing.
7. **Alternative Solutions Exist** For modern Big Twin engines, aftermarket bearings (e.g., from brands like **Torque Bearings** or **JE** Bearings) offer similar performance at a fraction of the cost while still meeting OEM standards.
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### **Conclusion:**Buying NOS right bearings (24653-58) for a Harley-Davidson Big Twin (1958 1986) is a **high-quality, long-term investment** for owners who prioritize authenticity, reliability, and engine preservation. The benefits in terms of performance, fitment, and durability outweigh the drawbacks for those who can afford the cost and are willing to invest time in proper installation.
However, if budget is a concern or the engine is heavily modified, aftermarket bearings that meet or exceed OEM specifications may be a more practical alternative. Additionally, buyers should **verify the seller s reputation**, inspect the packaging for signs of tampering, and ensure the parts are compatible with their specific engine model.
### **Recommendation:** - **Purchase NOS bearings if:**- You are restoring a classic Big Twin and want genuine OEM components.
- You have the budget and are prepared for the higher cost.
- The engine is in good condition, and you plan to keep it long-term.
- **Consider aftermarket alternatives if:**- You are on a tighter budget and can find high-quality bearings (e.g., Torque or JE) that meet or exceed OEM standards.
- The engine is modified or in poor condition, making NOS parts less critical.
- You prioritize cost efficiency without sacrificing performance.
For most modern or heavily modified Big Twins, aftermarket NOS-equivalent bearings are a reasonable compromise. However, for purists and collectors, the NOS option remains the gold standard. Always cross-reference with trusted suppliers (e.g., **Harley-Davidson Parts, Cycle World, or reputable online marketplaces**) to ensure authenticity and avoid counterfeit parts.
Harley-Davidson Part #24653-58. I am pointing at these 2 spots in picture #4, 5, 6, and 7. Genuine Harley-Davidson Right Side Case Bearings. Please do your homework and verify fitment for year model application before buying.
These have 2 tiny spots or corrosion on the retainer, not bearing surface. Fits Harley-Davidson Big Twin Pinhead, Shovel head and EVO model's 1958-1986. Probably can be cleaned off easily with some very fine sandpaper or steel wool. Comes in Original Harley-Davidson Package.
NOS-New Old Stock. Excellent NOS condition.