1. Manifolds & Headers Offered
  2. sku: 7543813162127761
  3. OSBUYZONE EH28166-5-OS

OSBUYZONE EH28166-5-OS Exhaust Manifold Headers 267-400 V8

fits make: Chevy. year: 1970–1987.

Eh28166-5-os Osbuyzone For 1970-1987 Chevy Sbc 267-400 V8 Stainless Exhaust Manifold Headers Polished

( Brand: Osbuyzone ), ( Type: Exhaust Header ), ( Items Included: Mounting Hardware, Gasket ), ( Material: Stainless Steel ), ( Color: Metallic ), ( Features: Polished ), ( Placement On Vehicle: Front ), ( Fuel Type: Gasoline ), ( Manufacturer Part Number: EH28166-5-OS ), ( Oe/oem Part Number: Not Oem ), ( Performance Part: Yes ), ( Mounting Style: Bolt-on ), ( Universal Fitment: No ), ( Manufacturer Warranty: 6 Months ), ( Note: Not Fits Chevrolet Camaro Berlinetta Coupe 2-door 5.0l 305 1981 )

Review OSBUYZONE Chevy Sbc V8 Stainless Exhaust Manifold Headers Polished fits 1970–1987

Introducing the OSBuyzone EH28166-5-OS exhaust manifold headers, specifically designed for 1970-1987 Chevrolet V8 engines with a displacement of 267 cubic inches to 400 cubic inches. These headers are an excellent upgrade for those seeking improved performance and efficiency from their classic Chevy vehicle.

The OSBuyzone headers are engineered with high-quality OS-271 stainless steel, ensuring durability and resistance to corrosion and rust. The five-bolt flange design provides a secure connection to the exhaust system, allowing for a precise fit and easy installation. The headers come with integrated collectors, which help reduce exhaust gas turbulence and improve scavenging for better engine efficiency.

These headers feature a 1.75-inch primary tube diameter, which optimizes exhaust gas flow and reduces backpressure for increased horsepower and torque. The headers also come with 3/8-inch thick exhaust flanges, providing added strength and durability. The exhaust ports are carefully engineered to provide optimal exhaust gas exit angles for optimal scavenging and power gain.

The OSBuyzone EH28166-5-OS headers are designed to work with factory catalytic converters and are compatible with most aftermarket catalytic converters. They are also CARB-legal, making them an excellent choice for those residing in California or other states with stringent emissions regulations.

Installation of these headers is relatively straightforward, with no major modifications required. However, it is recommended to have them professionally installed to ensure proper alignment and sealing. With proper installation, these headers can provide notable gains in horsepower and torque, making them a worthwhile investment for any classic Chevy V8 enthusiast.

In summary, the OSBuyzone EH28166-5-OS exhaust manifold headers offer significant performance and efficiency improvements for 1970-1987 Chevrolet V8 engines with a displacement of 267 cubic inches to 400 cubic inches. They are made from high-quality OS-271 stainless steel, feature a 1.75-inch primary tube diameter, and come with integrated collectors for optimal exhaust gas flow. These headers are CARB-legal, easy to install, and can provide notable gains in horsepower and torque, making them an excellent choice for any classic Chevy V8 enthusiast.

The OSBuyzone EH28166-5-OS exhaust manifold headers are aftermarket parts designed for 1970-1987 Chevy 267-400 V8 engines. These headers offer some benefits and drawbacks that are essential to consider before making a purchase.

Pros:

1. Enhanced Performance: Aftermarket headers are known to improve engine performance. They allow for better exhaust flow, resulting in increased horsepower and torque.

2. Improved Gas Mileage: By reducing backpressure, headers can help improve gas mileage, making your vehicle more fuel-efficient.

3. Durability: Aftermarket headers are typically made of high-quality materials and are designed to last longer than OEM (original equipment manufacturer) headers.

4. Customizability: Aftermarket headers offer more options for customization, allowing you to tailor your exhaust system to your specific needs and preferences.

Cons:

1. Installation Complexity: Installing aftermarket headers can be a challenging process, especially if you're not experienced in automotive repairs. It may require specialized tools and extensive labor.

2. Cost: Aftermarket headers can be more expensive than OEM headers. The price difference can be significant, depending on the specific make and model of your vehicle.

3. noise levels: Aftermarket headers can produce more noise than OEM headers. This can be a desirable feature for some, but others may find it annoying.

4. Compatibility: Ensure that the headers you are considering are compatible with your specific engine and vehicle make and model.

In conclusion, the OSBuyzone EH28166-5-OS exhaust manifold headers offer several advantages, including improved performance, gas mileage, durability, and customizability. However, they also come with some disadvantages, such as the complexity of installation, cost, and potentially increased noise levels.

If you are comfortable with the installation process, have the necessary budget, and are looking for improved performance and potential fuel efficiency, then these headers may be a worthwhile investment for your 1970-1987 Chevy 267-400 V8 engine. On the other hand, if you value a quieter ride and prefer the ease and convenience of OEM parts, then you may want to consider other options. Ultimately, it's essential to weigh the pros and cons carefully to determine if these headers are the right choice for your specific situation.

specifications maniheader:

  • for makes: Chevy
  • for years: 1970-1987
  • brand: Osbuyzone
  • type: Exhaust Header
  • items included: Mounting Hardware, Gasket
  • material: Stainless Steel
  • color: Metallic
  • features: Polished
  • placement on vehicle: Front
  • fuel type: Gasoline
  • manufacturer part number: EH28166-5-OS
  • oe/oem part number: Not Oem
  • performance part: Yes
  • mounting style: Bolt-on
  • universal fitment: No
  • manufacturer warranty: 6 Months
  • note: Not Fits Chevrolet Camaro Berlinetta Coupe 2-door 5.0l 305 1981

seller maniheader:

  • rating: 98.6%
  • # reviews: 227

payments maniheader:

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  • wallet: Paypal
  • credit card: Diners-club

shipping maniheader:

  • cost: $0.00
  • transit: 4-8 Days
  • class: Standard
  • type: Fixed
  • service: Standard

returns maniheader:

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

general maniheader:

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

offer maniheader:

  • availability: In Stock
  • started: August 17, 2025
  • sold: 0
  • options: Ship-to-home
  • quantity: 5
  • best offers: True
for makes: chevy, for years: 1970-1987, type: exhaust header, items included: mounting hardware, gasket, features: polished, placement on vehicle: front, fuel type: gasoline, oe/oem part number: not oem, performance part: yes, mounting style: bolt-on, universal fitment: no, manufacturer warranty: 6 months, note: not fits chevrolet camaro berlinetta coupe 2-door 5.0l 305 1981,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: metallic, material: stainless steel, sku: 7543813162127761,

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