MCLEOD 6400104 Steel Flywheel Block 8877530116196

( Brand: Mcleod ), ( Manufacturer Part Number: 6400104 ), ( Part Type: Flywheel Block ), ( UPC: 877530116196 )

Review MCLEOD Original Steel Flywheel Small Block Chevy fits STREET TWIN 1955–1985

Introducing the McLeod 6400104 Street Twin Steel Flywheel, an essential upgrade for Chevy engines from the years 1955 to 1985. This high-performance flywheel is meticulously engineered to deliver enhanced power transfer, smoother engine operation, and improved reliability compared to the stock flywheel.

The McLeod 6400104 is a twin mass flywheel, which means it features two concentric masses connected by a flexible coupling. This design offers numerous benefits over a traditional single-mass flywheel. First and foremost, it provides a more progressive engagement, resulting in a smoother and more responsive power delivery. Additionally, it helps to reduce noise, vibration, and harshness (NVH), making for a more comfortable driving experience.

Constructed from robust steel, this flywheel boasts superior strength and durability. It is precision-machined to ensure a perfect fit for your Chevy engine and offers a polished finish that not only looks great but also aids in heat dissipation. The flywheel's surface is also treated with a special coating to ensure optimal clutch engagement and prolong clutch life.

Installing the McLeod 6400104 Street Twin Steel Flywheel is a relatively straightforward process. It comes with all necessary hardware and is compatible with most popular clutch kits. However, it is always recommended to consult with a professional mechanic or clutch specialist to ensure proper installation and alignment for optimal performance.

In summary, the McLeod 6400104 Street Twin Steel Flywheel is an excellent investment for any Chevy enthusiast seeking improved power transfer, smoother engine operation, and enhanced reliability. Its twin-mass design delivers a more progressive engagement and reduced NVH, while its robust steel construction ensures superior strength and durability. Upgrade your Chevy engine today with the McLeod 6400104 Street Twin Steel Flywheel.

The McLeod 6400104 street twin steel flywheel is a popular aftermarket option for Chevy engines with a block from the 1955-1985 period. This flywheel offers several advantages and disadvantages that are worth considering before making a purchase.

1. Enhanced Durability: The twin steel design provides increased durability compared to a single mass flywheel. This is particularly beneficial for high-performance applications where the engine may experience higher torque loads.

2. Smoother Engine Operation: The twin steel design reduces engine harmonics for a smoother operating engine. This can result in improved power delivery and overall driving experience.

3. Clutch Upgrade: This flywheel is often used as an upgrade when installing a performance clutch kit. The increased clamping force of the clutch can put more stress on the flywheel, making a stronger option essential.

1. Cost: The McLeod 6400104 street twin steel flywheel is more expensive than a stock or OEM flywheel. This may be a significant consideration for those on a tighter budget.

2. Installation Complexity: Installing this flywheel may require additional steps due to its twin steel design. This can increase the overall installation time and cost.

3. Weight: This flywheel is heavier than a stock flywheel, which can affect the vehicle's handling and acceleration. However, for high-performance applications, the benefits of the increased weight often outweigh the drawbacks.

In conclusion, the McLeod 6400104 street twin steel flywheel is a high-quality aftermarket option for those seeking improved durability, smooth engine operation, and the ability to handle increased clamping forces of performance clutches. However, its higher cost, installation complexity, and increased weight are important factors to consider before making a purchase.

If you are looking for a high-performance flywheel for your Chevy engine, the McLeod 6400104 is an excellent choice. However, if you are on a tight budget or do not require the additional benefits of a twin steel flywheel, a stock or OEM flywheel may be a more cost-effective option. Ultimately, the decision depends on your specific needs and priorities.

Details:

American Express. Whether Its Nos,Supercharger,Turbocharger Or A Big Inch Mountain Motor The Original Street Twin Can Handle It. Go With The Innovator Not Imitator Mcleod Racing. In 1974 With The Rising Popularity Of Power Adders Such As Notorious,Superchargers And Turbochargers, Mcleod Recognized Need For A Clutch Assembly That Was Street Friendly, Yet Still Capable Handling Up To 1,200 Horsepower, Thus Twin Born.

Go With The Innovator McLeod 6400104 Original Street Twin Steel Flywheel 1955-1985 Small Block Chevy 1, Flywheel1955-1985 1970-1990 Big Chevy1991-2001 1-Piece Rear Main Seal Spline: 1-1/8 x 10Diameter: 10.5 Balance: 0Ring Gear: 168 Tooth Twin:Steel:Chevrolet:1955-85 SBC:1970-90 BBC:0Bal:168T:1-1/8x10.

part #: 6400104 prices

• $1219.00-$1501.95

specifications flwheflepla:

• for models: Street, Twin
• for makes: Chevy
• for years: 1955-1985
• brand: Mcleod
• mpn: 6400104
• part type: Flywheel Block
• upc: 877530116196

offer flwheflepla:

• started: July 14, 2025
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general flwheflepla:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates

returns flwheflepla:

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

seller flwheflepla:

• # reviews: 595552
• city: , Ohio
• rating: 97.8%

payments flwheflepla:

• credit card: Diners-club
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shipping flwheflepla:

• type: Fixed
• cost: $0.00
• service: Standard
• transit: 3-7 Days
• class: Standard

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