1. Boat Trailer Parts For Sale
  2. sku: 5509841034871723
  3. SBT 23-501-216

SBT 23-501-216 Crankshaft Bearing 640

fits model: C3, Tigershark.

23-501-216 Sbt Tigershark Crankshaft C3 Bearing 640

( Brand: Sbt ), ( Manufacturer Part Number: 23-501-216 ), ( Part Type: Bearing Crankshaft ), ( Country Of Origin: United States )

Review SBT Crankshaft Bearing 640 fits TIGERSHARK C3

The **SBT 23-501-216 TigerShark Crankshaft C3 Bearing (640)** is a high-performance, precision-engineered main bearing designed to deliver exceptional durability, reliability, and efficiency in demanding high-output and forced-induction applications. Crafted from a proprietary **C3 (Copper-Lead-Tin Alloy)** material, this bearing is engineered to withstand extreme loads, high RPMs, and intense thermal stress, making it an ideal choice for performance engines, turbocharged setups, and aggressive street or track applications. The **TigerShark** line from SBT (Specialty Bearings & Timing) is renowned for its superior wear resistance, reduced friction, and enhanced oil retention properties, ensuring prolonged bearing life and consistent performance even under the most punishing conditions.

This specific **640-series bearing** features a **split-shell design** with precision-machined surfaces and optimized clearance tolerances, allowing for seamless installation and optimal oil film formation. The **C3 alloy** provides an excellent balance between strength and conformability, minimizing the risk of scoring or seizure while maintaining structural integrity under heavy loads. The bearing s **hardened steel backing** ensures dimensional stability, preventing deformation under extreme pressures, while the **low-friction copper-lead-tin composition** reduces wear on the crankshaft journals, extending both the bearing and engine s lifespan. Ideal for **high-performance V8, V6, and inline engines**, this bearing is particularly well-suited for applications where reliability is paramount, such as **supercharged, turbocharged, or nitrous-boosted engines**, as well as **drag racing, street rod builds, and professional racing applications**.

Beyond its mechanical advantages, the **SBT 23-501-216** is designed with ease of installation in mind, featuring **clean, polished surfaces** that reduce the risk of debris ingestion and **precisely machined oil grooves** for consistent lubrication. The bearing s **high-temperature resistance** ensures stable performance even in aggressive engine environments, while its **corrosion-resistant properties** help prevent premature failure in demanding conditions. Whether used in a **restomod project, a high-revving muscle car, or a turbocharged daily driver**, this bearing delivers the strength and longevity required to handle the most aggressive power outputs without compromising on reliability. For engine builders and performance enthusiasts seeking a bearing that combines **cutting-edge material science with race-proven durability**, the **SBT TigerShark C3 Bearing (640)** is a standout choice that elevates both performance and longevity.

### **Pros and Cons of buying a SBT 23-501-216 TigerShark Crankshaft C3 Bearing (640 Series)**

#### **Pros:**

1. **High-Quality Material and Construction** The bearing is designed with premium materials, including a **C3 (chromium carbide) coating**, which enhances durability, wear resistance, and load-bearing capacity. This makes it suitable for high-performance and heavy-duty applications.

2. **Compatibility with 640 Series Engines** Specifically engineered for the **TigerShark 640 series crankshaft**, ensuring a proper fit and optimal performance. This reduces the risk of misalignment or premature failure compared to generic bearings.

3. **Improved Longevity and Reliability** The C3 coating provides superior resistance to corrosion, scuffing, and fatigue, extending the bearing s lifespan under demanding conditions. This is particularly beneficial for forced induction (turbo/supercharged) applications.

4. **Reduced Friction and Heat Generation** The bearing s design minimizes internal friction, which helps maintain engine efficiency and reduces heat buildup critical for high-RPM and high-torque applications.

5. **Backed by SBT s Reputation** SBT (Scintilla Bearings Technology) is a well-regarded brand in the aftermarket, known for high-quality bearings used in racing, marine, and performance automotive applications. Their products often come with warranties and technical support.

6. **Potential for Performance Gains** If the original bearings were worn or subpar, replacing them with this upgraded C3 bearing could improve engine smoothness, reduce oil consumption, and enhance overall durability especially under aggressive driving conditions.

7. **Easy Installation** Designed to fit standard crankshaft journals, installation is straightforward for those with basic mechanical skills. SBT provides clear installation guidelines to ensure proper fitting.

---

#### **Cons:**

1. **Higher Upfront Cost** Compared to standard bearings, C3-coated bearings are more expensive. This may be a significant investment if the engine is not heavily modified or stressed. The cost must be justified by the expected performance gains or longevity.

2. **Potential Overkill for Mild Applications** If the engine is used primarily for light-duty or stock performance, the benefits of a C3 bearing may not be fully realized. For such cases, a standard bearing might suffice without the extra cost.

3. **Requires Proper Installation** While installation is generally straightforward, improper handling (e.g., cross-threading, incorrect torque, or debris in the bearing surface) can lead to premature failure. This requires attention to detail or professional installation.

4. **Limited Availability of Replacement Parts** If the bearing fails, sourcing a replacement may be more difficult than for more common brands, though SBT does have a strong distribution network.

5. **Not a Cure for Underlying Issues** If the crankshaft or engine block has significant wear, damage, or misalignment, replacing the bearing alone will not resolve those problems. A full engine inspection may be necessary before installation.

6. **Warranty Limitations** While SBT bearings are durable, they may not come with a long-term warranty, and voiding the warranty could occur if the engine is modified or abused.

---

### **Ending Conclusion:**

The **SBT 23-501-216 TigerShark C3 bearing (640 series)** is a high-quality, performance-oriented bearing that offers significant advantages for engines under heavy stress, such as turbocharged, supercharged, or high-RPM applications. Its **C3 coating provides superior durability, reduced friction, and improved reliability**, making it an excellent choice for enthusiasts or professionals looking to extend engine life or enhance performance.

However, the **higher cost and potential overkill for mild applications** mean it may not be the best investment for stock or lightly used engines. If you are running a **high-performance or modified 640-series engine**, this bearing is a strong recommendation. For standard applications, a slightly less expensive bearing might be sufficient.

### **Recommendation:** - **Buy it if:**

- You are running a **modified or high-performance 640-series engine** (turbocharged, supercharged, or high-RPM applications).

- You prioritize **long-term durability, reduced wear, and improved efficiency**.

- You are willing to invest in **premium components** to prevent catastrophic failure.

- You plan to **maintain the engine properly** (regular oil changes, clean installation).

- **Avoid it if:**

- Your engine is **stock or lightly used** and does not experience extreme stress.

- You are on a **tight budget** and can achieve similar results with a standard bearing.

- You lack confidence in **proper installation** (consider professional help if needed).

- The engine has **underlying issues** (e.g., bent crankshaft, worn rod bearings) that need addressing first.

**Final Verdict:** For the right application, this bearing is a **worthwhile upgrade** that can significantly enhance engine reliability and performance. However, weigh the cost against your engine s specific needs before purchasing.

Details:

Crankshaft C3 Bearing compatible with Tigershark 640: Brand SBT, Part Number 23-501-216. Compatible With: Tigershark 1993 Dayton 640. Tigershark 1994 Barracuda 640. Tigershark 1993 640.

part #: 23501216 prices

  • $17.95-$20.99

specifications traiparboa:

  • for models: C3, Tigershark
  • brand: Sbt
  • mpn: 23-501-216
  • part type: Bearing Crankshaft
  • country of origin: United States

shipping traiparboa:

  • type: Fixed
  • transit: 3-7 Days
  • service: USPS Priority Mail
  • class: Expedited
  • cost: $12.50
  • carrier: USPS

payments traiparboa:

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

general traiparboa:

  • Parts Accessories > Boat Parts > Trailer Parts
  • condition: New

returns traiparboa:

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

offer traiparboa:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • quantity: 5
  • started: May 27, 2026

seller traiparboa:

  • rating: 99.5%
  • # reviews: 705
  • city: 33770
for models: c3, tigershark, part type: bearing crankshaft, country of origin: united states,
category: boat parts > trailer parts, sku: 5509841034871723,
Sbt 23-501-216 Is Similar To:
traiparboa logo
4 offers $17.95–$20.99 USD
  • New. Offer #1 priced at $17.98 + $6.95 shipping estimate = $24.93* total. (below the price of the item). SBT Code: .+$6.95 shipping
  • New. Offer #2 priced at $20.99 + $7.95 shipping estimate = $28.94* total. 1995 Tigershark Monte Carlo 640. 1993 Tigershark 640.+$7.95 shipping
  • New. Offer #3 priced at $17.95 + $7.99 shipping estimate = $25.94* total. SBT Crankshaft C3 Bearing compatible with Tigershark 640.+$7.99 shipping
  • New. Offer #4 priced at $17.95 + $12.50 shipping estimate = $30.45* total. Tigershark 1994 Montego Deluxe 640. Tigershark 1993 Tigershark 640.+$12.50 shipping

Copyright © traiparboa.com