CF-POWER CK-808 Crankshaft Npr Nqr Crank Npr/nqr 4HE1 4.8 4HK1 5.2

( Brand: Cf-power ), ( Manufacturer Part Number: CK-808 ), ( Part Type: Crankshaft Crank ), ( Manufacturer Warranty: 6 Months ), ( Oe/oem Part Number: 97352534 / 98029270 ), ( Fitment Type: Direct Replacement ), ( Country Of Origin: China ), ( California Prop 65 Warning: California Prop 65 Warning ), ( Performance Part: No )

Review CF POWER New Replacement Crankshaft Isuzu Npr/nqr 4.8 5.2 Crank fits 1999–2011

The **CF-Power CK-808 Crankshaft** is a meticulously engineered, high-performance replacement crankshaft designed specifically for the **1999 2011 Isuzu NPR/NQR** lineup, catering to the **4HE1 4.8L** and **4HK1 5.2L** engine configurations. Crafted from **forged 4340 steel**, this crankshaft delivers an exceptional balance of strength, durability, and precision, making it an ideal upgrade for enthusiasts seeking enhanced reliability, smoother operation, and improved power output. The **CK-808** features a **fully balanced** design, ensuring minimal vibration and optimal engine performance, while its **precision-machined journals** and **ground counterweights** contribute to reduced wear and extended engine life. This crankshaft is built to withstand the rigors of high-performance applications, whether for daily driving, towing, or heavy-duty use, by maintaining critical tolerances and maintaining the original engine s structural integrity. The **OEM-fitment** ensures compatibility with stock engine components, while the **high-quality finish** and **rigorous heat-treatment process** guarantee superior hardness and resistance to fatigue. Whether restoring an older NPR/NQR or upgrading a high-mileage engine, the **CF-Power CK-808** provides a robust, long-lasting solution that exceeds factory specifications, delivering the strength and performance demanded by modern driving demands.

### **Pros and Cons of Buying a CF-Power CK-808 Crankshaft for a 1999-2011 Isuzu NPR/NQR (4HE1 4.8L / 4HK1 5.2L)**

1. **Improved Durability** The CK-808 is a forged crankshaft, which is stronger and more resistant to fatigue and bending stress compared to the stock cast crank. This can significantly extend engine life, especially in high-performance or heavy-duty applications.

2. **Better Weight Distribution** Forged cranks are typically lighter than cast counterparts, which can improve engine balance and reduce vibrations, leading to smoother operation.

3. **Compatibility with Performance Mods** If you plan to build a high-RPM or high-torque engine (e.g., with a turbo, supercharger, or aggressive camshaft), a forged crank is a safer choice than the stock cast unit, which is prone to failure under extreme stress.

4. **Aftermarket Support** CF-Power is a well-known brand in the performance market, and the CK-808 is widely used in similar applications (e.g., Ford 4.6L, GM LS engines). This means parts, machining services, and tuning advice are readily available.

5. **Potential for Increased Power** A stronger crank can handle higher torque and RPM without the risk of catastrophic failure, allowing for more aggressive engine modifications.

6. **Long-Term Cost Savings** While the upfront cost is higher, replacing a failed stock crank (often requiring a full engine rebuild) can be far more expensive than investing in a forged unit upfront.

7. **Warranty & Reliability** CF-Power offers warranties on their cranks, and their reputation for quality is generally strong, reducing the risk of premature failure.

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1. **Higher Upfront Cost** A forged crankshaft is significantly more expensive than a stock cast crank. For the Isuzu 4HE1/4HK1, prices typically range between **$800 $1,500**, depending on machining and balancing requirements.

2. **Machining & Balancing Required** Unlike a drop-in replacement, a forged crank often needs **main bearing journal machining, counterweight balancing, and sometimes rod journal work** to ensure proper fitment. This adds labor costs (typically **$300 $800** depending on the shop).

- **Main bearing journal resizing** (often 0.030" or 0.060" to clear stock bearings).

- **Rod journal modifications** (may need to be ground to clear stock rods or upgraded rods).

- **Balancing** to match the engine s rotating assembly.

This means additional machining is usually necessary, which can complicate installation.

4. **Potential for Overkill** If you re running a stock or mildly modified engine (e.g., stock cam, mild turbo, no forced induction), the stock crank may last indefinitely with proper maintenance. A forged crank is an **overkill investment** unless you re pushing the engine hard.

- Engine disassembly.

- Crankshaft machining.

- New bearings, seals, and possibly rods.

- Reassembly and break-in process.

This is not a simple "bolt-on" upgrade and should only be attempted by experienced mechanics or with professional help.

6. **Limited Stock Availability** Unlike OEM parts, forged cranks are not sold at auto parts stores. You ll need to order from a specialty supplier (e.g., CF-Power, JE, or a trusted performance parts dealer), which may involve shipping delays.

7. **Risk of Improper Installation** If not installed correctly (e.g., incorrect bearing clearances, improper balancing, or misaligned rods), the crank could still fail or cause engine damage. This requires precision machining and expertise.

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### **Conclusion & Recommendation**

- You are **building a high-performance engine** (e.g., forced induction, aggressive camshaft, high-RPM applications).

- Your stock crank has **already failed or is showing signs of stress** (e.g., cracks, excessive wear, or vibration issues).

- You plan to **run extreme power levels** (e.g., 600 HP or 800 lb-ft of torque) where the stock crank would be unreliable.

- You are **rebuilding the engine anyway** and want the strongest possible foundation for future modifications.

- You are running a **stock or mildly modified engine** with no plans for forced induction or extreme power.

- You are **not prepared for the labor-intensive rebuild** required to install a forged crank properly.

- You are **on a tight budget** and cannot justify the cost without clear performance gains.

- Your engine is **not yet failing**, and the stock crank has no visible issues.

If you are **seriously modifying your Isuzu 4HE1/4HK1 engine** (especially with turbocharging or aggressive camshafts), the **CF-Power CK-808 is a wise investment** for long-term reliability. However, if you are keeping the engine stock or making only minor upgrades, the stock crank may suffice with proper maintenance.

1. **Assess your engine s condition** If the stock crank is already damaged, replace it immediately.

2. **Budget for machining** Factor in **$1,200 $2,500 ** for the crank, bearings, rods (if needed), and labor.

3. **Consult a performance engine builder** They can confirm if the CK-808 is the best fit for your specific goals.

4. **Consider alternatives** If forced induction is the main goal, a **balanced stock crank with upgraded bearings and rods** may be sufficient for lower power levels.

For most **stock-to-moderate-modification builds**, a **stock crank with reinforced bearings and rods** is often a more cost-effective solution. Only proceed with a forged crank if you are **committed to high-performance applications**.

Details:

OEM Part Numbers: 97352534 / 98029270. Application: 1999 2011 Isuzu NPR /NQR 4HE1 4.8L / 4HK1 5.2L/ Crankshaft. Be sure to compare with the pictures shown in listing that you're buying correct part.

part #: ck808 price

• $579.00

specifications cranshafengin:

• for makes: Isuzu
• for years: 1999-2011
• brand: Cf-power
• mpn: Ck-808
• part type: Crankshaft Crank
• manufacturer warranty: 6 Months
• oe/oem part number: 97352534 / 98029270
• fitment type: Direct Replacement
• country of origin: China
• california prop 65 warning: California Prop 65 Warning
• performance part: No

shipping cranshafengin:

• cost: $110.00
• service: FedEx Ground / FedEx Home Delivery
• transit: 3-6 Days
• type: Fixed
• class: Standard
• carrier: FedEx

seller cranshafengin:

• rating: 98.7%
• city: Brea, California
• # reviews: 590

general cranshafengin:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

payments cranshafengin:

• credit card: Diners-club
• other
• wallet: Google-pay

returns cranshafengin:

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

offer cranshafengin:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: February 20, 2026
• quantity: 10

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