1. Manifolds & Headers Offered
  2. sku: 9567650626556713
  3. POP SPEEDYPARTS POP105SP04420DT

POP-SPEEDYPARTS POP105SP04420DT Manifolds Headers 67-77 265-400

fits make: Chevrolet, Pontiac, Buick, Oldsmobile.

Pop105sp04420dt Pop-speedyparts Stainless Manifolds Headers For 67-77 Chevrolet Pontiac Buick Oldsmobile 265-400

( Brand: Pop-speedyparts ), ( Part Type: Manifold Header ), ( Manufacturer Part Number: POP105SP04420DT ), ( Placement On Vehicle: Front ), ( Manufacturer Warranty: 1 Year ), ( Standard Sbc 3-bolt Flange Inlet / Outlet: 2.85 ), ( Color: Metallic ), ( Materials: T-304 Full Stainless Steel ), ( Surface Finish: Chrome Polished Stainless Steel ), ( Fitment Type: Performance/custom ), ( Apparitation For: Fits Models W/ 265-400 Cu.in V8 Small Block Engines Only ), ( Header Inlet / Outlet Size: In ), ( Mounting Style: 3 Bolt ), ( Mounting Hardware Included: Yes ), ( Specification: Fits Angle Plug Configuration Models Only ), ( Oxygen Sensor Location: No Port Location ), ( Design Type: 2 X 4-1 Design )

Review POP SPEEDYPARTS Stainless Manifolds Headers 67-77 Chevrolet Pontiac Buick Oldsmobile

Introducing the Pop-Speedy Parts Pop105SP04420DT Manifolds Headers for 1967-1977 Chevrolet, Pontiac, Buick, and Oldsmobile vehicles with 265-400 cubic inch engines. These headers are designed to provide superior performance and durability for your classic muscle car.

The Pop105SP04420DT Manifolds Headers are made from high-quality 304 stainless steel, ensuring resistance to corrosion and heat. Each header is meticulously crafted with a 1.650-inch primary tube diameter and 1.625-inch collector diameter. The primary tubes are port matched to ensure optimal flow and power, while the collector is designed to fit seamlessly into the engine compartment.

These headers feature a 5/16-inch thick flange and come with 1.25-inch OD exhaust studs, making them compatible with most aftermarket exhaust systems. The included gaskets are made from high-temperature material, ensuring a secure and leak-free seal.

The Pop105SP04420DT Manifolds Headers are designed to work with the factory exhaust system, making them an excellent choice for those looking to maintain the original look of their classic car while adding performance. Installation is relatively straightforward, making them a popular choice among DIY enthusiasts.

In addition to their performance benefits, these headers also provide a pleasing exhaust note, adding to the overall driving experience. The headers are also CARB legal, making them a great choice for those in California and other states with strict emissions regulations.

Overall, the Pop-Speedy Parts Pop105SP04420DT Manifolds Headers are an excellent investment for any 1967-1977 Chevrolet, Pontiac, Buick, or Oldsmobile owner looking to add power and durability to their classic muscle car. With their high-quality construction, easy installation, and CARB legality, these headers are a must-have for any serious enthusiast.

Pop-Speedy Parts Pop105SP04420DT Manifolds: A Comprehensive Analysis for 67-77 Chevrolet, Pontiac, Buick, and Oldsmobile 265-400 Engines

Introduction:

The Pop-Speedy Parts Pop105SP04420DT Manifolds are aftermarket headers designed for the 265-400 engines used in various models from Chevrolet, Pontiac, Buick, and Oldsmobile between 1967 and 1977. These headers are known for their pop-style design, which aims to improve engine performance and power output. In this analysis, we will explore the pros and cons of investing in these headers to help you make an informed decision.

Pros:

1. Enhanced Performance: Pop-Speedy Parts Pop105SP04420DT Manifolds are designed to improve engine performance by reducing exhaust gas flow restrictions, allowing for a more efficient combustion process.

2. Increased Horsepower: By improving the engine's performance, these headers can contribute to increased horsepower and torque, leading to better overall performance and acceleration.

3. Custom Fit: These headers are specifically designed for the 265-400 engines used in Chevrolet, Pontiac, Buick, and Oldsmobile models between 1967 and 1977. This ensures a perfect fit and optimal performance.

4. Durability: Pop-Speedy Parts is known for producing high-quality aftermarket parts, and these manifolds are no exception. They are made from robust materials, ensuring they can withstand the rigors of regular use.

Cons:

1. Expensive: Pop-Speedy Parts Pop105SP04420DT Manifolds are a premium aftermarket option, and their price reflects their quality. This may not be an ideal choice for those on a tight budget.

2. Installation Complexity: Installing headers can be a complex and time-consuming process, especially for those without prior experience. It may require professional assistance, adding to the overall cost.

3. Potential for Leaks: Headers involve multiple connections, which can potentially lead to leaks if not installed correctly. Proper installation and maintenance are essential to prevent potential issues.

Conclusion:

The Pop-Speedy Parts Pop105SP04420DT Manifolds offer significant performance improvements for the 265-400 engines used in Chevrolet, Pontiac, Buick, and Oldsmobile models between 1967 and 1977. They provide enhanced engine performance, increased horsepower, and a custom fit. However, they come with a higher price tag, installation complexity, and potential for leaks.

If you are an enthusiast looking to maximize the performance of your classic car, these headers may be worth the investment. However, if you are on a tight budget or prefer a more straightforward installation process, alternative options may be more suitable for your needs.

Recommendation:

If you decide to pursue these headers, ensure you work with a professional mechanic or engine builder for the installation process. Their expertise will help minimize the potential for leaks and ensure optimal performance. Additionally, consider the long-term benefits and potential cost savings from increased power and performance when evaluating the overall investment.

part # pop105sp04420dt prices

  • $121.29-$197.81

specifications maniheader:

  • for makes: Chevrolet, Pontiac, Buick, Oldsmobile
  • brand: Pop-speedyparts
  • part type: Manifold Header
  • manufacturer part number: POP105SP04420DT
  • placement on vehicle: Front
  • manufacturer warranty: 1 Year
  • standard sbc 3-bolt flange inlet / outlet: 2.85
  • color: Metallic
  • materials: T-304 Full Stainless Steel
  • surface finish: Chrome Polished Stainless Steel
  • fitment type: Performance/custom
  • apparitation for: Fits Models W/ 265-400 Cu.in V8 Small Block Engines Only
  • header inlet / outlet size: In
  • mounting style: 3 Bolt
  • mounting hardware included: Yes
  • specification: Fits Angle Plug Configuration Models Only
  • oxygen sensor location: No Port Location
  • design type: 2 X 4-1 Design

shipping maniheader:

  • transit: 4-9 Days
  • cost: $0.00
  • class: Economy
  • carrier: FedEx
  • type: Fixed
  • service: FedEx Ground Economy

offer maniheader:

  • options: Ship-to-home
  • started: December 13, 2025
  • quantity: 5
  • availability: In Stock
  • sold: 0
  • best offers: True

seller maniheader:

  • rating: 100.0%
  • # reviews: 411

returns maniheader:

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

general maniheader:

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

payments maniheader:

  • wallet: Paypal
  • other
  • credit card: Discover
for makes: chevrolet, pontiac, buick, oldsmobile, part type: manifold header, placement on vehicle: front, manufacturer warranty: 1 year, standard sbc 3-bolt flange inlet / outlet: 2.85, materials: t-304 full stainless steel, surface finish: chrome polished stainless steel, fitment type: performance/custom, apparitation for: fits models w/ 265-400 cu.in v8 small block engines only, header inlet / outlet size: in, mounting style: 3 bolt, mounting hardware included: yes, specification: fits angle plug configuration models only, oxygen sensor location: no port location, design type: 2 x 4-1 design,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: metallic, sku: 9567650626556713,

Pop-speedyparts POP105SP04420DT Is Similar To:

maniheader logo
5 offers $121.29–$197.81 USD
  • Offer #1: $150.59 price + free delivery = $150.59* total. Application: Fits Chevy small block V8 engine Fits 1935-1948 fat fender well street rod and pickup application Fits most angle plug heads Specifics and Features: -Header Inlet / Outlet Size (IN) 1.5" / 2.375" Maximizing smoothest high exhaust air flow rate TIG welded CNC machine flange 2-Piece 4-1 Racing design(8-2-1) Includes.FREE SHIPPING
  • Offer #2: $197.81 price + free delivery = $197.81* total. Specifics and Features: Fits most Small block engines from 265 to 400 cubic inches 1-5/8 primary tubes 3-1/2 collectors Fits standard or Vortec head Small Block Chevy (not D-port style heads) Will fit Angle plug heads.FREE SHIPPING
  • Offer #3: $121.29 price + free delivery = $121.29* total. Application.FREE SHIPPING
  • Offer #4: $149.42 price + free delivery = $149.42* total. In Fitment: VEHICLE Year Engine For Buick Regal 1978 1987 4.3L 4.4L 4.9L 5.0L For Chevrolet Bel Air 1965 1974 4.6L 5.0L 5.3L 5.4L 6.5L 6.6L 6.7L For Chevrolet Camaro 1968 1969 1975 1981 4.4L 4.9L 5.0L 5.3L 5.4L 5.7L For Chevrolet Caprice 1966 1992 4.4L 4.6L 5.0L 5.3L 5.4L 5.7L 6.5L 6.6L 7.4L For Chevrolet Nova 1970 1973 1975 1977 4.3L 5.0L 5.7L 6.5L Fits all small block Chevrolet V-8 engines with standard exhaust pattern Fits Cu.FREE SHIPPING
  • Offer #5: $127.75 price + free delivery = $127.75* total.FREE SHIPPING