Spectre 4in. OD Plenum - Single Inlet (9in. L x 3.5in. H) — Fits Carburetors/TBI

SKU: SPE9849
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Spectre

Spectre engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Spectre lineup with fast shipping and expert fitment support — order with confidence.

Spectre Single Inlet Air Intake Plenum - 4" OD

Optimize your engine's air delivery with the Spectre Single Inlet Air Intake Plenum. Expertly crafted from polished cast aluminum, this plenum is designed to enhance airflow and ensure compatibility with Spectre's 4-inch intake tubing, filters, and accessories. Its robust construction and thoughtful design contribute to improved engine performance and a cleaner engine bay aesthetic.

Product Highlights:

  • Material: High-quality polished cast aluminum for durability and a premium finish.
  • Inlet Size: Features a single 4-inch outside diameter (OD) inlet, perfect for Spectre's 4-inch system components.
  • Carburetor/TBI Compatibility: Designed with a 5-1/8 inch inlet to fit most carburetors and Throttle Body Injection (TBI) throttle bodies.
  • Dimensions: Measures 3-1/2 inches in height and 9 inches from the air cleaner stud to the inlet, offering a balanced profile.
  • Engineered for Performance: Built with high-quality materials and engineered for optimum fit and function, promoting efficient air intake.

This Spectre plenum serves as a crucial link in your custom air intake system. By providing a smooth transition from your air filter and tubing to the throttle body, it minimizes turbulence and maximizes the volume of air reaching the engine. This translates to better throttle response, increased horsepower, and improved overall engine efficiency. Whether you're building a street machine or a track-focused vehicle, this plenum is an excellent choice for achieving superior performance. Ensure your engine receives the air it needs with this precision-engineered component.

Find the best Spectre performance parts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Spectre

Spectre engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Spectre lineup with fast shipping and expert fitment support — order with confidence.

Spectre Single Inlet Air Intake Plenum - 4" OD

Optimize your engine's air delivery with the Spectre Single Inlet Air Intake Plenum. Expertly crafted from polished cast aluminum, this plenum is designed to enhance airflow and ensure compatibility with Spectre's 4-inch intake tubing, filters, and accessories. Its robust construction and thoughtful design contribute to improved engine performance and a cleaner engine bay aesthetic.

Product Highlights:

  • Material: High-quality polished cast aluminum for durability and a premium finish.
  • Inlet Size: Features a single 4-inch outside diameter (OD) inlet, perfect for Spectre's 4-inch system components.
  • Carburetor/TBI Compatibility: Designed with a 5-1/8 inch inlet to fit most carburetors and Throttle Body Injection (TBI) throttle bodies.
  • Dimensions: Measures 3-1/2 inches in height and 9 inches from the air cleaner stud to the inlet, offering a balanced profile.
  • Engineered for Performance: Built with high-quality materials and engineered for optimum fit and function, promoting efficient air intake.

This Spectre plenum serves as a crucial link in your custom air intake system. By providing a smooth transition from your air filter and tubing to the throttle body, it minimizes turbulence and maximizes the volume of air reaching the engine. This translates to better throttle response, increased horsepower, and improved overall engine efficiency. Whether you're building a street machine or a track-focused vehicle, this plenum is an excellent choice for achieving superior performance. Ensure your engine receives the air it needs with this precision-engineered component.

Find the best Spectre performance parts at GGCRACING.

Product Details

Product Description

About Spectre

Spectre engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Spectre lineup with fast shipping and expert fitment support — order with confidence.

Spectre Single Inlet Air Intake Plenum - 4" OD

Optimize your engine's air delivery with the Spectre Single Inlet Air Intake Plenum. Expertly crafted from polished cast aluminum, this plenum is designed to enhance airflow and ensure compatibility with Spectre's 4-inch intake tubing, filters, and accessories. Its robust construction and thoughtful design contribute to improved engine performance and a cleaner engine bay aesthetic.

Product Highlights:

  • Material: High-quality polished cast aluminum for durability and a premium finish.
  • Inlet Size: Features a single 4-inch outside diameter (OD) inlet, perfect for Spectre's 4-inch system components.
  • Carburetor/TBI Compatibility: Designed with a 5-1/8 inch inlet to fit most carburetors and Throttle Body Injection (TBI) throttle bodies.
  • Dimensions: Measures 3-1/2 inches in height and 9 inches from the air cleaner stud to the inlet, offering a balanced profile.
  • Engineered for Performance: Built with high-quality materials and engineered for optimum fit and function, promoting efficient air intake.

This Spectre plenum serves as a crucial link in your custom air intake system. By providing a smooth transition from your air filter and tubing to the throttle body, it minimizes turbulence and maximizes the volume of air reaching the engine. This translates to better throttle response, increased horsepower, and improved overall engine efficiency. Whether you're building a street machine or a track-focused vehicle, this plenum is an excellent choice for achieving superior performance. Ensure your engine receives the air it needs with this precision-engineered component.

Find the best Spectre performance parts at GGCRACING.

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