1. Wheel Nuts, Bolts & Studs Products
  2. sku: 12827831660413813
  3. DART 66744200

DART 66744200 Cylinder Head Stud Ls Engine Blocks 099998754507 Head/main 1/2 4.200

66744200 Dart Cylinder Head/main Stud For Ls Engine Blocks 1/2 Inch X 4.200

( Brand: Dart ), ( Manufacturer Part Number: 66744200 ), ( Part Type: Cylinder Head Engine Block ), ( UPC: 099998754507 )

Review DART Cylinder Head/main Stud For Ls Engine Blocks 1/2 Inch 4.200 fits 200

Introducing the Dart 66744200 Cylinder Head/Main Stud Kit, meticulously designed for use with LS engine blocks, specifically those with a 1/2 inches (12.7mm) main stud diameter and a 4.200 inches (106.68mm) deck height. This high-performance component is an essential upgrade for any engine builder or racer seeking enhanced durability and reliability.

The main studs, made from premium quality materials, undergo a rigorous heat-treating process to ensure maximum strength and resistance to fatigue. These studs thread into the engine block and secure the cylinder head, making them a critical connection point. With a diameter of 1/2 inches (12.7mm) and a length of approximately 3 inches (76mm), they provide the necessary clamping force to ensure a secure fit.

The Dart 66744200 kit comes with eight main studs, ensuring a complete set for most LS engine applications. Each stud is topped with a locking nut, which can be tightened with a standard 15mm wrench to prevent the stud from backing out during high-performance operation. The nuts are also designed with a 60-degree angle, allowing for easy access during installation and removal.

Additionally, the cylinder head bolts included in this kit are designed to work in conjunction with the main studs to ensure a strong and evenly distributed clamping force on the cylinder head. These bolts feature a 12-point design, providing excellent torque transfer and resistance to shearing forces.

This Dart cylinder head/main stud kit offers numerous benefits for engine builders and racers, such as increased clamping force, reduced stud stretch, and improved engine reliability. By using high-quality materials and precise manufacturing processes, Dart ensures that this kit meets the demands of even the most demanding engine applications.

In summary, the Dart 66744200 Cylinder Head/Main Stud Kit is an essential upgrade for any LS engine builder or racer seeking enhanced durability, reliability, and performance. With its premium quality materials, rigorous heat-treating process, and thorough engineering, this kit is an investment in the longevity and success of your engine build.

Pros and Cons of Buying a Dart Cylinder Head/Main Stud for LS Engine Blocks (1/2 4.200)

The Dart 66744200 cylinder head/main stud kit is a popular choice for LS engine blocks. Like any other purchase, it comes with its advantages and disadvantages. Here's a detailed analysis of each:

Pros:

1. High-Performance: Dart is a well-known brand in the performance automotive industry. Their cylinder heads and main studs are designed to deliver superior performance.

2. Durability: The Dart cylinder head/main stud kit is built to last. The materials used are of high quality, ensuring longevity and resistance to wear and tear.

3. Compatibility: This kit is specifically designed for LS engine blocks with a 1/2 4.200" bolt pattern. The compatibility ensures a perfect fit and function.

4. Improved Engine Output: The Dart cylinder head/main stud kit can help improve engine output. This is due to the improved sealing and increased clamping force provided by the new studs.

5. Easy Installation: The installation process is relatively straightforward. With the right tools and instructions, most DIY enthusiasts can install the kit themselves.

Cons:

1. Cost: The Dart cylinder head/main stud kit can be quite expensive. This may be a deterrent for some budget-conscious consumers.

2. Availability: Depending on the location, availability of the Dart cylinder head/main stud kit may be limited. Local parts stores may not carry it, and shipping times from online retailers can be lengthy.

3. Requires New Gaskets: Installing the Dart cylinder head/main stud kit requires new gaskets. This adds an additional cost and time to the project.

Conclusion:

The Dart 66744200 cylinder head/main stud kit for LS engine blocks offers several advantages, including improved performance, durability, and compatibility. However, it comes with a higher price tag and requires new gaskets during installation.

Recommendation:

If you are looking for superior performance and durability for your LS engine and have the budget for it, the Dart cylinder head/main stud kit is a worthwhile investment. If, however, cost is a concern, consider exploring alternative options from other reputable brands. Always ensure that the chosen kit is compatible with your engine block before making a purchase.

Details:

American Express. length , Sold Individually Dart 66744200 Cylinder Head/Main Stud for LS Engine Blocks 1/2 in. Diameter, 4.200 in.

part #: 66744200 price

  • $24.99

specifications fastenerface:

  • brand: Dart
  • mpn: 66744200
  • part type: Cylinder Head Engine Block
  • upc: 099998754507

seller fastenerface:

  • city: , Ohio
  • # reviews: 630356
  • rating: 99.5%

returns fastenerface:

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

payments fastenerface:

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

shipping fastenerface:

  • type: Fixed
  • class: Standard
  • cost: $15.99
  • transit: 3-6 Days
  • service: Standard

offer fastenerface:

  • quantity: 10
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: May 16, 2026

general fastenerface:

  • condition: New
  • Car Truck Parts Accessories > Wheels, Tires Parts > Wheel Nuts, Bolts Studs
part type: cylinder head engine block,
category: auto parts > car truck parts accessories > wheels, tires parts > wheel nuts, bolts studs, sku: 12827831660413813,

Dart 66744200 Is Similar To:

fastenerface logo
1 offer $24.99 USD
  • Offer #1: $24.99 price + $15.99 shipping estimate = $40.98* total. x 4.200 in. Cylinder Head/Main Stud, For Dart LS Engine Blocks, 1/2 in.+$15.99 shipping

Copyright © fastenerface.com