ENGINETECH 104450 Crankshaft Connecting Rod Bearings Kit 707473150088
( Brand: Enginetech ), ( Manufacturer Part Number: 104450 ), ( UPC: 707473150088 ), ( Placement On Vehicle: Engine Compartment ), ( Type: Crankshaft Kit ), ( Features: Direct Fit ), ( Caution: Fitment Is For North America Vehicles ), ( Country Of Origin: Primary ), ( Material: Factory Specifications ), ( Included: Main And Connecting Rod Bearings ), ( Fitment Type: Direct Replacement ), ( Modified Item: No )
Review ENGINETECH Crankshaft Kit Main And Connecting Rod Bearings Direct Fit
The **Enginetech 104450 Crankshaft Kit with Connecting Rod Bearings** represents a premium, high-performance upgrade designed for enthusiasts and mechanics seeking to restore or enhance the durability, efficiency, and power output of their engine s lower end. Engineered with precision and built to exacting standards, this kit is meticulously crafted to replace worn or damaged crankshaft main and connecting rod bearings, ensuring optimal lubrication, reduced friction, and extended component life. The crankshaft itself is machined from high-grade steel, featuring a polished surface and carefully balanced journals to minimize vibration and maximize smooth operation, which is critical for both performance and longevity. The accompanying **connecting rod bearings** are precision-ground and coated with a specialized anti-wear layer, providing superior resistance to scoring, pitting, and fatigue key factors in preventing catastrophic engine failure, especially under high-stress conditions such as forced induction or aggressive driving. This kit is particularly well-suited for applications in high-performance engines, classic restorations, or engines subjected to heavy loads, where stock bearings may fail prematurely. Whether used in a stock engine undergoing a rebuild or a heavily modified powerplant pushing the limits of performance, the **Enginetech 104450** delivers a robust, reliable solution that aligns with the demands of modern automotive engineering. Installation requires proper alignment and torque specifications to ensure the bearings seat correctly and maintain their structural integrity, making it an ideal choice for those who prioritize quality and performance without compromise.
### **Pros and Cons of buying a EngineTech 104450 Crankshaft Kit with Connecting Rod Bearings**
#### **Pros:**1. **High-Quality Materials** EngineTech is known for using premium materials, including high-grade steel and advanced coatings, which enhance durability and reduce wear.
2. **Precision Engineering** The crankshaft and bearings are machined to tight tolerances, ensuring proper fitment and optimal performance in high-stress applications.
3. **Compatibility with Common Engines** This kit is designed for specific engine models (likely GM LS-series or similar high-performance applications), reducing the risk of mismatches.
4. **Improved Performance** A new crankshaft and rod bearings can restore or enhance power output, reduce friction, and extend engine life, especially in heavily modified or high-mileage engines.
5. **Warranty Coverage** EngineTech products often come with manufacturer warranties, providing peace of mind against defects.
6. **Ease of Installation** The kit includes all necessary components (bearings, seals, bolts, etc.), simplifying the rebuild process compared to sourcing parts separately.
7. **Cost-Effective for Major Repairs** While not cheap, replacing a worn crankshaft and rod bearings is far less expensive than a full engine replacement in cases of severe damage.
#### **Cons:**1. **High Upfront Cost** This is a premium kit, and the price may be prohibitive for casual or budget-conscious buyers, especially if the engine isn t severely damaged.
2. **Labor-Intensive Installation** Replacing a crankshaft and rod bearings requires significant mechanical skill, specialized tools (like a crankshaft puller and alignment tools), and time. DIYers may struggle without experience.
3. **Potential for Overkill** If the engine only has minor wear (e.g., rod bearing failure without crankshaft damage), a full crankshaft replacement may be unnecessary, making the cost unjustified.
4. **Risk of Installation Errors** Improper alignment, torque specifications, or bearing installation can lead to catastrophic failure (e.g., rod knock, crankshaft failure). Professional installation is highly recommended.
5. **Limited Availability of Parts** Some aftermarket kits may not be as widely supported as OEM parts, meaning sourcing additional components (like seals or gaskets) could be harder.
6. **Time Off the Vehicle** A full rebuild with a new crankshaft and bearings requires stripping the engine, which means extended downtime for the vehicle.
7. **Wear-In Period** New bearings and a crankshaft may require a break-in period to fully seat and perform optimally, during which performance may not be at peak levels.
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### **Ending Conclusion**
The **EngineTech 104450 crankshaft kit with connecting rod bearings** is a high-quality, performance-oriented solution for engines requiring major internal repairs particularly those with cracked or worn crankshafts, seized rod bearings, or high-mileage wear. It offers significant benefits in terms of durability, power, and reliability but comes with substantial costs and technical challenges. Whether this kit is the right choice depends on the engine s condition, budget, and the buyer s mechanical expertise.
- **Best for:** High-performance engines, severely damaged crankshafts/rod bearings, or engines being rebuilt for longevity.
- **Not ideal for:** Minor repairs, budget-conscious buyers, or those without access to professional installation.
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### **Recommendation**
1. **Verify Engine Compatibility** Double-check that this kit is specifically designed for your engine model to avoid mismatches.
2. **Assess Engine Condition** If the crankshaft is only slightly worn or the issue is isolated to bearings, consider a more targeted repair (e.g., just replacing rod bearings) to save costs.
3. **Budget for Professional Installation** Unless you have extensive engine rebuild experience, hiring a mechanic is strongly advised to ensure proper installation and avoid costly mistakes.
4. **Consider Alternatives** If EngineTech is out of stock or priced too high, explore other reputable brands (e.g., JE, Scat, or OEM equivalents) that may offer similar quality at a lower cost.
5. **Factor in Total Cost** Account for additional expenses like labor, seals, gaskets, and potential oil changes post-rebuild to get a full picture of the investment.
**Final Verdict:** If your engine requires a full crankshaft and rod bearing overhaul and you re committed to a long-term, high-performance solution, this kit is a solid choice provided you re prepared for the cost and technical demands. For minor issues or budget constraints, a more conservative repair approach may be preferable.
Details:
Chassis And Steering. Brakes And Wheel Bearings. Belts And Hoses.
Condition: Remanufactured.: Crankshaft Kit. Placement on Vehicle: Engine Compartment. Fluids And Chemicals.
Material: Factory Specifications. Manufacturer Part Number: 104450. Brand: EngineTech. Country of Origin Primary: US.
EngineTech Crankshaft Kit with Main and Connecting Rod Bearings Direct Fit: MSRP: $819.99. CAUTION: Fitment is for North America vehicles. Features: Direct Fit. Number of Pieces: 1.
How to verify this part fits your vehicle. Included: Main and Connecting Rod Bearings.
part #: 104450 prices
- $428.19-$703.99
specifications cranshafengin:
- brand: Enginetech
- mpn: 104450
- upc: 707473150088
- placement on vehicle: Engine Compartment
- type: Crankshaft Kit
- features: Direct Fit
- caution: Fitment Is For North America Vehicles
- country of origin: Primary
- material: Factory Specifications
- included: Main And Connecting Rod Bearings
- fitment type: Direct Replacement
- modified item: No
general cranshafengin:
- Car Truck Parts Accessories > Engines Engine Parts > Crankshafts
- condition: Remanufactured
returns cranshafengin:
- policy: Returns Accepted
- time: 30 Days
- paid by: Seller
offer cranshafengin:
- sold: 0
- quantity: 5
- availability: In Stock
- options: Ship-to-home
- started: April 16, 2026
seller cranshafengin:
- # reviews: 13825
- city: Portland, Oregon
- rating: 99.9%
shipping cranshafengin:
- class: Standard
- service: Standard
- type: Fixed
- transit: 4-7 Days
- cost: $0.00
payments cranshafengin:
- wallet: Apple-pay
- credit card: Diners-club
- other
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