Skunk2s Fine Tuning products and accessories, like its high-pressure Radiator Caps, help put the finishing touches onto your vehicle you work so hard to make perform well. Skunk2 Radiator Caps increase internal radiator pressure, which results in a higher coolant boiling point and a more efficient cooling system. Skunk2 Radiator Caps feature an open valve pressure of 1.3 kg/cmthat's .2kg/cm higher than most OEM radiator caps. High-pressure radiator caps like Skunk2s demonstrate their effectiveness under high-load conditions on both race cars and street cars alike. Skunk2s high-pressure Radiator Cap Type B fits most Hondas and Acura's (excludes 88-91 Civics, 90-93 Integra's, and '92-'01 Preludes) as well as most Scions and Toyotas. Features: Increases Cooling System Pressure Increases Coolant Temperature Boiling Point Increases Cooling System Efficiency 1.3 kg/cm Open Pressure (.2 higher than most OEM) Fits Most Hondas, Acuras, Toyotas and Scions Note: Excludes 88-91 Civic, 90-93 Integra, 92-01 Prelude