Skunk2 Alpha Series Dual Core Full-Size Radiator — Fits 2006-2011 Honda Civic Si

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SKU: SKK349-05-3000
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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 Skunk2 Racing

Skunk2 Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Skunk2 Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Skunk2 Alpha Series Full-Size Radiator for 06-11 Honda Civic Si

Optimize your 2006-2011 Honda Civic Si's thermal management with the Skunk2 Alpha Series Full-Size Radiator. This direct-fit, all-aluminum upgrade is meticulously engineered to significantly enhance both cooling efficiency and overall engine performance, making it an essential component for any enthusiast.

Engineered for Peak Performance

Crafted from lightweight yet robust aluminum, each Alpha Series Radiator features 100-percent brazed cores and a high-efficiency dual-core design. These advanced features work in tandem with high-efficiency fins to maximize heat dissipation, ensuring your K-series engine maintains optimal operating temperatures even under extreme conditions. The polished end tanks, embossed with Skunk2's distinctive Alpha logo, provide a clean, race-inspired look.

  • Direct-fit replacement for 2006-2011 Honda Civic Si
  • Lightweight, durable all-aluminum construction
  • 100-percent brazed dual-core for superior cooling
  • High-efficiency fins for maximum heat transfer
  • Provisions for OEM cooling fan
  • OEM-compatible 1.25-inch inlets and outlets

Skunk2's commitment to quality ensures this radiator meets or exceeds OEM standards, providing reliability and performance you can trust. Upgrade your Civic Si's cooling system with Skunk2 Alpha Series technology, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

Product Details

Product Description
Part Numbers
Sizing & Fit

About Skunk2 Racing

Skunk2 Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Skunk2 Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Skunk2 Alpha Series Full-Size Radiator for 06-11 Honda Civic Si

Optimize your 2006-2011 Honda Civic Si's thermal management with the Skunk2 Alpha Series Full-Size Radiator. This direct-fit, all-aluminum upgrade is meticulously engineered to significantly enhance both cooling efficiency and overall engine performance, making it an essential component for any enthusiast.

Engineered for Peak Performance

Crafted from lightweight yet robust aluminum, each Alpha Series Radiator features 100-percent brazed cores and a high-efficiency dual-core design. These advanced features work in tandem with high-efficiency fins to maximize heat dissipation, ensuring your K-series engine maintains optimal operating temperatures even under extreme conditions. The polished end tanks, embossed with Skunk2's distinctive Alpha logo, provide a clean, race-inspired look.

  • Direct-fit replacement for 2006-2011 Honda Civic Si
  • Lightweight, durable all-aluminum construction
  • 100-percent brazed dual-core for superior cooling
  • High-efficiency fins for maximum heat transfer
  • Provisions for OEM cooling fan
  • OEM-compatible 1.25-inch inlets and outlets

Skunk2's commitment to quality ensures this radiator meets or exceeds OEM standards, providing reliability and performance you can trust. Upgrade your Civic Si's cooling system with Skunk2 Alpha Series technology, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

Product Details

Product Description

About Skunk2 Racing

Skunk2 Racing engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Skunk2 Racing lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Skunk2 Alpha Series Full-Size Radiator for 06-11 Honda Civic Si

Optimize your 2006-2011 Honda Civic Si's thermal management with the Skunk2 Alpha Series Full-Size Radiator. This direct-fit, all-aluminum upgrade is meticulously engineered to significantly enhance both cooling efficiency and overall engine performance, making it an essential component for any enthusiast.

Engineered for Peak Performance

Crafted from lightweight yet robust aluminum, each Alpha Series Radiator features 100-percent brazed cores and a high-efficiency dual-core design. These advanced features work in tandem with high-efficiency fins to maximize heat dissipation, ensuring your K-series engine maintains optimal operating temperatures even under extreme conditions. The polished end tanks, embossed with Skunk2's distinctive Alpha logo, provide a clean, race-inspired look.

  • Direct-fit replacement for 2006-2011 Honda Civic Si
  • Lightweight, durable all-aluminum construction
  • 100-percent brazed dual-core for superior cooling
  • High-efficiency fins for maximum heat transfer
  • Provisions for OEM cooling fan
  • OEM-compatible 1.25-inch inlets and outlets

Skunk2's commitment to quality ensures this radiator meets or exceeds OEM standards, providing reliability and performance you can trust. Upgrade your Civic Si's cooling system with Skunk2 Alpha Series technology, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2011 Honda Civic Si

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