KOYO 36MM RACING RADIATOR: CIVIC SI 06-11

Koyo - Racing Aluminum Radiator (36mm), for Honda Civic Si 2006-2011 (Coupe and Sedan)
Note: Factory radiator cap WILL NOT fit. Use Koyo SKC-13 radiator cap, sold separately.

Designed for applications where engine configuration/size cause clearances issues for thicker core radiators. In this case, the 36mm V-Core Series will suit your needs. Intended for both circuit and daily use. All Koyorad V-Series All Aluminum Radiators are Nocolok brazed, designed as a factory fit, direct bolt in with no engine modifications necessary, and retain mounts for the stock fan shrouds and fans.