Push your 8th Gen Civic Si to its full potential with the Skunk2 Alpha Series Radiator, engineered for serious performance and built to handle the heat. Whether you're carving canyons, daily commuting, or chasing podiums at the track, this high-performance radiator delivers race-ready cooling in a direct-fit, no-fuss package.
Fitment Information
- Honda Civic Si Coupe and Sedan (2006, 2007, 2008, 2009, 2010, 2011)
Specs & Features
- Skunk2 Radiator Cap is sold separately
- 100% TIG-Welded All-Aluminum Construction: Lightweight, durable, and corrosion-resistant
- High-Efficiency Dual-Core Design: Maximizes cooling capacity with superior heat dissipation
- Polished End Tanks with Embossed Alpha Logo: Premium finish with performance to match
- OEM Compatibility: Designed to work seamlessly with factory fans and shrouds
- Drop-in Installation: No cutting or modifications needed
- Track-Tested Strength: Built to handle demanding conditions
- Skunk2 Radiator Cap Sold Separately: Pair with high-pressure cap for optimal performance
Product Description
When it comes to keeping your high-revving K20Z3 running cool under pressure, the Skunk2 Alpha Radiator for the 2006–2011 Civic Si doesn’t just meet expectations—it exceeds them. This full-size performance radiator is a must-have upgrade for enthusiasts who demand durability, better heat management, and sleek looks under the hood.
Manufactured from lightweight, aircraft-grade aluminum, the Alpha Radiator features a 100% brazed dual-core core that provides enhanced thermal efficiency. Paired with high-efficiency multi-louvered fins, this setup ensures fast, even heat dissipation, reducing the risk of overheating even during aggressive driving or hot summer days.
The TIG-welded, polished end tanks aren’t just built to last—they also look the part, sporting the signature Skunk2 Alpha logo for an extra touch of performance pedigree. Designed to be fully OEM compatible, the radiator retains factory fan and shroud fitment and drops right in with zero modifications.
Whether you're building a naturally aspirated screamer or prepping for boost, the Alpha Series Radiator provides the cooling confidence you need. Backed by Skunk2’s legacy of innovation and racing heritage, it’s more than just a radiator—it’s a key component to unlocking your Civic Si’s true potential.
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Honda Civic Parts
Honda Civic Radiator
Skunk2 Radiators
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