Air FLow Research

Air Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block Chevy

Air Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block Chevy
Air Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block Chevy
Air Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block Chevy
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Air Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block ChevyAir Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block ChevyAir Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block Chevy
Air FLow Research

Air Flow Research BBC 315cc Magnum Cylinder Heads 121cc Assembled Pair — Fits Big Block Chevy

SKU: GBMK_2000
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About Air FLow Research Air FLow Research engineers high-quality automotive ...Read More

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$4,510.00
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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
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Product Details

Product Description
Part Numbers
Sizing & Fit

About Air FLow Research

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

Air Flow Research BBC Magnum Competition Cylinder Heads

Unleash the potential of your Big Block Chevy with these high-performance Air Flow Research Magnum Competition Cylinder Heads. Designed for serious power, these aluminum heads offer exceptional airflow and durability for demanding applications.

Specifications:

  • Intake Runner Volume: 315 cc
  • Combustion Chamber Volume: 121 cc
  • Valve Sizes: 2.250" intake / 1.880" exhaust
  • Springs: Rated for up to 1.625" lift
  • Port Type: Magnum (Rectangular Port)
  • Plug Angle: Angle Plug configuration
  • Material: Premium Aluminum construction for superior heat management and weight reduction.
  • Fitment: Engineered for Big Block Chevy (BBC) engines.
  • Configuration: Sold as a matched pair (Assembled).

These AFR BBC Magnum heads are fully assembled and ready to install, providing a significant upgrade for your engine build. The large 315cc intake runners and substantial 2.250" intake valves are optimized for maximum airflow, delivering impressive gains in horsepower and torque. The 121cc combustion chambers are ideal for high-compression builds, while the robust spring package supports aggressive camshaft profiles. Built with lightweight, durable aluminum, these heads not only enhance performance but also help dissipate heat effectively.

For unmatched power and reliability in your Big Block Chevy build, choose Air Flow Research. Find these and more at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Air FLow Research

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

Air Flow Research BBC Magnum Competition Cylinder Heads

Unleash the potential of your Big Block Chevy with these high-performance Air Flow Research Magnum Competition Cylinder Heads. Designed for serious power, these aluminum heads offer exceptional airflow and durability for demanding applications.

Specifications:

  • Intake Runner Volume: 315 cc
  • Combustion Chamber Volume: 121 cc
  • Valve Sizes: 2.250" intake / 1.880" exhaust
  • Springs: Rated for up to 1.625" lift
  • Port Type: Magnum (Rectangular Port)
  • Plug Angle: Angle Plug configuration
  • Material: Premium Aluminum construction for superior heat management and weight reduction.
  • Fitment: Engineered for Big Block Chevy (BBC) engines.
  • Configuration: Sold as a matched pair (Assembled).

These AFR BBC Magnum heads are fully assembled and ready to install, providing a significant upgrade for your engine build. The large 315cc intake runners and substantial 2.250" intake valves are optimized for maximum airflow, delivering impressive gains in horsepower and torque. The 121cc combustion chambers are ideal for high-compression builds, while the robust spring package supports aggressive camshaft profiles. Built with lightweight, durable aluminum, these heads not only enhance performance but also help dissipate heat effectively.

For unmatched power and reliability in your Big Block Chevy build, choose Air Flow Research. Find these and more at GGCRACING.

Product Details

Product Description

About Air FLow Research

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

Air Flow Research BBC Magnum Competition Cylinder Heads

Unleash the potential of your Big Block Chevy with these high-performance Air Flow Research Magnum Competition Cylinder Heads. Designed for serious power, these aluminum heads offer exceptional airflow and durability for demanding applications.

Specifications:

  • Intake Runner Volume: 315 cc
  • Combustion Chamber Volume: 121 cc
  • Valve Sizes: 2.250" intake / 1.880" exhaust
  • Springs: Rated for up to 1.625" lift
  • Port Type: Magnum (Rectangular Port)
  • Plug Angle: Angle Plug configuration
  • Material: Premium Aluminum construction for superior heat management and weight reduction.
  • Fitment: Engineered for Big Block Chevy (BBC) engines.
  • Configuration: Sold as a matched pair (Assembled).

These AFR BBC Magnum heads are fully assembled and ready to install, providing a significant upgrade for your engine build. The large 315cc intake runners and substantial 2.250" intake valves are optimized for maximum airflow, delivering impressive gains in horsepower and torque. The 121cc combustion chambers are ideal for high-compression builds, while the robust spring package supports aggressive camshaft profiles. Built with lightweight, durable aluminum, these heads not only enhance performance but also help dissipate heat effectively.

For unmatched power and reliability in your Big Block Chevy build, choose Air Flow Research. Find these and more at GGCRACING.

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