1. Manifolds & Headers Offered
  2. sku: 7636349365047623
  3. 1ST RACING HD-SBC5557ZXLUS

1ST-RACING HD-SBC5557ZXLUS Shorty Exhaust Header 265

fits model: 283, 302, 305, 327, 350, 400, Sb. make: Chevrolet. year: 1955-86.

Hd-sbc5557zxlus 1st-racing Shorty Exhaust Header For 1955-86 265 283 302 305 327 350 400 Sb Chevrolet

( Brand: 1st-racing ), ( Mounting Style: Bolt-on ), ( Color: Silver ), ( Items Included: Mounting Hardware ), ( Manufacturer Part Number: HD-SBC5557ZXLUS ), ( Material: Stainless Steel ), ( Placement On Vehicle: Front, Left, Right ), ( Fuel Type: Gasoline ), ( Type: Exhaust Header ), ( Manufacturer Warranty: 1 Year ), ( Features: Polished ), ( Universal Fitment: No ), ( Country/region Of Manufacture: China )

Review 1ST-RACING Shorty Exhaust Header 265 Chevrolet fits 283 302 305 327 350 400 SB 1955-86

Introducing the 1st Racing HD SBC5557ZXLUS Shorty Exhaust Header, a high-performance upgrade for your 1955-1986 Chevrolet 265, 283, 302, 305, 327, 350, and 400 Small Block engines. This shorty header is meticulously designed to deliver an exceptional balance of power, torque, and exhaust flow, making it an ideal choice for enthusiasts seeking to enhance the performance of their classic Chevrolet muscle cars.

Constructed from premium 304 stainless steel, this header is built to withstand the rigors of high-performance use. It features a shorty design, which is not only visually appealing but also helps to reduce exhaust backpressure, allowing the engine to breathe more freely and deliver increased horsepower and torque.

Each header comes equipped with 1.625-inch primary tubes, which provide optimal exhaust flow and help to maximize engine performance. The collector diameter measures 3.25 inches, ensuring a smooth merging of exhaust gases from each cylinder. The header also features 1.5-inch oval exhaust outlets, which are suitable for use with aftermarket mufflers and exhaust systems.

The 1st Racing HD SBC5557ZXLUS Shorty Exhaust Header is designed to be a direct replacement for the factory header on your Chevrolet Small Block engine. It comes with all necessary hardware for installation, including new gaskets and bolts. The header is also E.O. (Emissions Legal) certified, making it a viable option for those who need to maintain their vehicle's emissions compliance.

In summary, the 1st Racing HD SBC5557ZXLUS Shorty Exhaust Header is a top-tier performance upgrade for your 1955-1986 Chevrolet Small Block engine. It is meticulously designed and crafted from premium materials to deliver increased power, torque, and exhaust flow. This header is not only a performance upgrade but also an aesthetic enhancement, making it a must-have for any serious Chevrolet muscle car enthusiast.

Pros and Cons of Buying a 1st Racing HD SBC5557ZXLUS Shorty Exhaust Header for 1955-86 Chevrolet 265, 283, 302, 305, 327, 350, 400 Small-Block Engines

1. Pros:

a. Enhanced Performance: Shorty headers improve engine breathing, leading to increased horsepower and torque.

b. Custom Look: These headers provide a unique, customized appearance under the vehicle, making it stand out.

c. Durability: 1st Racing headers are known for their robust construction, ensuring longevity and reliability.

d. Compatibility: This header fits various Chevrolet engines within the specified range, making it a versatile option.

2. Cons:

a. Cost: Shorty headers are typically more expensive than stock headers, which may be a deterrent for some buyers.

b. Installation Complexity: Installing headers can be a complex process, requiring specialized tools and expertise.

c. Exhaust Note: The exhaust note from shorty headers may be louder than stock headers, which could be a concern for some people.

d. Fitment Considerations: While this header fits a wide range of engines, there may still be some minor fitment issues that need to be addressed.

Conclusion:

The decision to buy a 1st Racing HD SBC5557ZXLUS Shorty Exhaust Header for your 1955-86 Chevrolet small-block engine depends on your priorities and budget. If you're looking for improved performance, a customized look, and durability, then this header is an excellent choice. However, if you're concerned about the cost, installation complexity, or exhaust note, you may want to consider other options. Ultimately, the benefits of a shorty header can significantly outweigh the cons, resulting in a more powerful and visually appealing vehicle.

Recommendation:

If you're serious about enhancing the performance of your Chevrolet small-block engine and are willing to invest in a high-quality header, then the 1st Racing HD SBC5557ZXLUS Shorty Exhaust Header is an excellent choice. Make sure to consult with a professional mechanic or exhaust specialist for installation to ensure proper fitment and optimal performance.

part # hdsbc5557zxlus price

  • $25.39

specifications maniheader:

  • for models: 283, 302, 305, 327, 350, 400, Sb
  • for makes: Chevrolet
  • for years: 1955-86
  • brand: 1st-racing
  • mounting style: Bolt-on
  • color: Silver
  • items included: Mounting Hardware
  • manufacturer part number: HD-SBC5557ZXLUS
  • material: Stainless Steel
  • placement on vehicle: Front, Left, Right
  • fuel type: Gasoline
  • type: Exhaust Header
  • manufacturer warranty: 1 Year
  • features: Polished
  • universal fitment: No
  • country/region of manufacture: China

shipping maniheader:

  • class: Standard
  • cost: $0.00
  • service: UPS Ground
  • carrier: UPS
  • transit: 4-7 Days
  • type: Fixed

returns maniheader:

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

general maniheader:

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

payments maniheader:

  • other
  • credit card: Discover
  • wallet: Google-pay

offer maniheader:

  • availability: In Stock
  • best offers: True
  • quantity: 50
  • options: Ship-to-home
  • started: August 21, 2025
  • sold: 0

seller maniheader:

  • rating: 98.8%
  • # reviews: 6044
for models: 283, 302, 305, 327, 350, 400, sb, for makes: chevrolet, for years: 1955-86, mounting style: bolt-on, items included: mounting hardware, placement on vehicle: front, left, right, fuel type: gasoline, type: exhaust header, manufacturer warranty: 1 year, features: polished, universal fitment: no, country/region of manufacture: china,
category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, color: silver, material: stainless steel, sku: 7636349365047623,

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1 offer $25.39 USD
  • Offer #1: $25.39 price + $13.25 delivery = $38.64* total.+$13.25 shipping