1. Manifolds & Headers Offered
  2. sku: 6951480704871631
  3. MR GASKET 5901-100

MR GASKET 5901-100 Ultra Seal Header Gaskets Set 262-400CID

fits make: Chevrolet. year: 1955-91.

262-400cid Mr Gasket 5901 100 Ultra- Seal Header Gaskets Set Of 2 Chevrolet 1955-91

( Brand: Mr Gasket ), ( Department: Men ), ( Type: Other Consumer Electronics ), ( Manufacturer Part Number: 5901 100 ), ( Country/region Of Manufacture: United States )

Review MR GASKET 100 Ultra Seal Header Gaskets Set Of Chevrolet fits 1955-91

Introducing the MR Gasket 5901 Ultra Seal Header Gaskets Set, a top-tier solution for Chevrolet engines with 262-400 cid and a production year between 1955 and 1991. This gasket set is an essential upgrade for any enthusiast or professional mechanic seeking superior sealing performance and longevity.

The Ultra Seal header gaskets from MR Gasket are renowned for their innovative design and high-quality materials. Each gasket in this set is meticulously engineered to provide a perfect seal between the cylinder head and the exhaust manifolds, eliminating the risk of leaks and minimizing the potential for warpage. The Ultra Seal gaskets feature a multi-layer, high-temperature composite construction with a unique, reinforced design that enhances sealing strength and durability.

One of the most notable advantages of the MR Gasket 5901 Ultra Seal Header Gaskets Set is its ability to accommodate uneven surfaces and slight misalignments. The gaskets' reinforced design allows for a slight degree of flexibility, ensuring a secure, leak-free seal even when dealing with minor irregularities in engine components.

Additionally, the Ultra Seal gaskets are compatible with a wide range of exhaust manifold materials, including cast iron, steel, and header wraps. This versatility makes the MR Gasket 5901 set an ideal choice for a diverse range of Chevrolet applications, from vintage hot rods to high-performance race cars.

Installation of the MR Gasket 5901 Ultra Seal Header Gaskets Set is a straightforward process, ensuring that you can upgrade your engine with minimal downtime. The gaskets are supplied with detailed instructions and are easy to install, even for those without extensive mechanical experience.

In summary, the MR Gasket 5901 Ultra Seal Header Gaskets Set is an exceptional choice for Chevrolet engines with 262-400 cid and a production year between 1955 and 1991. This gasket set offers superior sealing performance, unparalleled durability, and versatility, making it an indispensable upgrade for any enthusiast or professional mechanic seeking to maximize the potential of their Chevrolet engine.

Mr. Gasket 5901 Ultra Seal Header Gaskets for Chevrolet 262-400cid engines (1955-1991) are known for their high-performance capabilities and ability to handle increased cylinder head temperatures. Here are some pros and cons of buying this specific header gasket set:

Pros:

1. High-Performance: These gaskets are designed for high-performance applications, making them an excellent choice for those who are looking to enhance the power output of their engines.

2. Leak-Free: The Ultra Seal technology used in these gaskets ensures a perfect seal between the engine blocks and cylinder heads, preventing any gas or coolant leaks.

3. Heat Resistant: These gaskets are designed to withstand high temperatures, making them ideal for use in high-performance applications where temperatures can get quite high.

4. Easy Installation: The gaskets come with pre-drilled holes for easier installation, reducing the time and effort required to install them.

5. Affordable: Compared to other high-performance header gaskets, the Mr. Gasket 5901 Ultra Seal Header Gaskets are quite affordable, making them a cost-effective solution for those looking to upgrade their engine.

Cons:

1. Limited Compatibility: These gaskets are specifically designed for Chevrolet 262-400cid engines (1955-1991), so they may not be compatible with other engine models or makes.

2. Requires Proper Installation: While the gaskets themselves are easy to install, it is essential to ensure that the engine is properly aligned and that the gaskets are installed correctly to ensure a proper seal.

3. May Not Be Suitable for Stock Engines: These gaskets are designed for high-performance applications, so they may not be suitable for use in stock engines or engines that do not see heavy use.

In conclusion, the Mr. Gasket 5901 Ultra Seal Header Gaskets for Chevrolet 262-400cid engines (1955-1991) offer excellent performance benefits, including leak-free sealing, heat resistance, and easy installation. However, they have limited compatibility and may not be suitable for use in stock engines. If you are looking to enhance the performance of your Chevrolet engine and are willing to invest in a high-quality header gasket, then these gaskets are an excellent choice. However, if you have a stock engine or if these gaskets are not compatible with your engine, then you may want to consider other options.

Recommendation: If you are looking for a high-performance header gasket for your Chevrolet 262-400cid engine (1955-1991), then the Mr. Gasket 5901 Ultra Seal Header Gaskets are an excellent choice. They offer excellent sealing capabilities, heat resistance, and easy installation, making them a cost-effective solution for those looking to enhance the performance of their engine. However, it is essential to ensure that the gaskets are installed correctly and that the engine is properly aligned to ensure a proper seal.

part # 5901100 prices

  • $24.95-$35.37

specifications maniheader:

  • for makes: Chevrolet
  • for years: 1955-91
  • brand: Mr Gasket
  • department: Men
  • type: Other Consumer Electronics
  • manufacturer part number: 5901 100
  • country/region of manufacture: United States

seller maniheader:

  • rating: 100.0%
  • # reviews: 10

payments maniheader:

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

offer maniheader:

  • quantity: 1
  • availability: In Stock
  • started: July 18, 2025
  • options: Ship-to-home
  • best offers: True
  • sold: 0

general maniheader:

  • condition: New
  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers

returns maniheader:

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

shipping maniheader:

  • cost: $0.00
  • transit: 5-11 Days
  • carrier: USPS
  • class: Standard
  • type: Calculated
  • service: USPS Ground Advantage
for makes: chevrolet, for years: 1955-91, department: men, type: other consumer electronics, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 6951480704871631,

Mr Gasket 5901-100 Is Similar To:

maniheader logo
5 offers $24.95–$35.37 USD
  • Offer #1: $24.95 price + free delivery = $24.95* total. Fits all Small Block Chevy Engines using a 1.550 " by 1.450" square port. Mr Gasket Part Number.FREE SHIPPING
  • Offer #2: $35.37 price + $11.95 delivery = $47.32* total. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Mr.+$11.95 shipping
  • Offer #3: $35.37 price + $11.95 delivery = $47.32* total.+$11.95 shipping
  • Offer #4: $21.99 price + free delivery = $21.99* total. Gaskets themselves WILL NOT be folded.FREE SHIPPING
  • Offer #5: $35.37 price + $11.95 delivery = $47.32* total. For original equipment replacement, high performance street, drag race and oval track use. Square Ports, 1.45 Inch x 1.55 Inch.+$11.95 shipping