LUNATI 70840001 Gm Ls Forged Crank 788120780711 4340 4.000

( Brand: Lunati ), ( Manufacturer Part Number: 70840001 ), ( Part Type: Crank ), ( Performance Part: Yes ), ( UPC: 788120780711 )

Review LUNATI Gm Ls 4340 Forged Crank 4.000 Stroke

Lunati 70840001 GM LS 4340 Forged Crank 4.000 - Unparalleled Power and Durability

In the realm of high-performance automotive components, the Lunati 70840001 GM LS 4340 Forged Crank 4.000 stands as a beacon of uncompromising quality and exceptional power delivery. This forged crankshaft is meticulously engineered for applications seeking increased horsepower and torque, making it an ideal choice for performance enthusiasts and professional racers alike.

At its core, the Lunati 70840001 is crafted from 4340 chromoly steel, a material renowned for its strength, fatigue resistance, and ability to withstand the rigorous demands of high-powered engines. The forging process ensures a uniform grain structure, eliminating weaknesses and promoting durability under extreme conditions.

The crankshaft features a 4.000 stroke length, providing ample combustion volume for impressive power gains. Its polished journals and main caps contribute to reduced friction, ensuring smooth operation and consistent power delivery. The crankshaft is also equipped with a precision-machined counterweight design, enhancing rotating mass balance for improved engine response and efficiency.

Installation is made straightforward with the inclusion of ARP main cap bolts, ensuring a secure and reliable connection between the crankshaft and the engine block. With its comprehensive design and premium materials, the Lunati 70840001 GM LS 4340 Forged Crank 4.000 is the ultimate choice for those seeking unmatched performance and unwavering reliability in their high-powered engine build.

1. Forged construction: This crank is made of forged material, which is stronger and more durable than cast cranks. It can withstand higher horsepower and torque levels, making it suitable for performance applications.

2. Balanced design: Lunati designs their cranks with a focus on balancing, reducing vibrations and improving overall engine performance.

3. High-quality materials: The use of high-quality materials ensures long-lasting performance and reliability.

4. Reputable brand: Lunati is a well-known and respected manufacturer in the automotive performance industry.

1. Cost: Forged cranks are typically more expensive than cast cranks, making them a more significant investment.

2. Installation complexity: Installing a forged crank may require more expertise and specialized tools, potentially increasing labor costs.

3. Potential clearance issues: Depending on the specific engine and application, there might be clearance issues with other engine components, which could require modifications.

4. Limited availability: Forged cranks like this one might not be as widely available as cast cranks, making it harder to find replacement parts or a suitable donor engine if needed.

In conclusion, the Lunati 70840001 forged crank 4.000 for a GM LS 4340 engine offers superior strength and performance, but it comes at a higher cost and may require more expertise to install. If you're looking to build a high-performance engine and have the necessary resources, this crank could be a great choice. However, if you're on a budget or less experienced with engine building, a cast crank might be a more practical and cost-effective option. It's essential to weigh the pros and cons carefully and consult with a professional mechanic or engine builder before making a decision.

Details:

Manufacturer: LUNATI. Part Number: 70840001. Crankshaft - Voodoo 4.000 in Stroke Internal Balance Forged Steel 2 Piece Seal GM LS-Series Each.

part #: 70840001 price

• $915.95

specifications cranshafengin:

• brand: Lunati
• mpn: 70840001
• part type: Crank
• performance part: Yes
• upc: 788120780711

seller cranshafengin:

• city: San Leandro, California
• # reviews: 106595
• rating: 99.6%

shipping cranshafengin:

• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard
• transit: 3-6 Days

general cranshafengin:

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

offer cranshafengin:

• availability: In Stock
• options: Ship-to-home
• started: August 23, 2025
• sold: 0
• quantity: 5

returns cranshafengin:

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

payments cranshafengin:

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

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