18 Inch Stainless Flex Radiator Cooling Fan w Chrome Plated Center

Features a chrome plated steel hub center with stainless steel blades. Great for applications where space is at a premium. Standard Rotation (clockwise) Non-reversible. Rated to 8,000+ RPM. Narrow blade width and moderate pitch improves air flow with minimal horsepower loss. Specially formed blade tips minimize fan noise. Two piece steel center hubs for positive blade attachment. Flange bolt spacing: 1-3/4" - 2-1/4" (1.309"-2.782") Mounting surface to front: 1/4" Mounting surface to rear: 7/8" Blade pitch: 50°. Learn more about the importance of using a fan and shroud with our radiators by reading our tech article. Radiator Cooling Performance.