Engine Cooling Fan, Crate Air 3 blade

Introducing the fan that is trusted by Professional Teams in the World of Outlaws and Lucas Oil Dirt Late Models! This composite 3 blade, 17" diameter fan with a 5/8" diameter center bore and standard bolt pattern is a direct replacement for the old 19" steel 4 blade fans. It has been competition tested and used by the best in the industry. Fans are available in: 15" 6-blade, 17" 6-blade, 17" 3-blade Test performed at 3100rpm, air density 1.2 kg/ cu.m, and tip clearance to the shroud of 0.394" Check out the features and benefits: Ultra-lightweight, 1.1lbs Stiff and moves air at high speed Smaller diameter that fits better with the radiator and eliminates fan hitting power steering lines Uses the least HP out of all 3 blade fans tested! From the fan center mounting flange, the fan blades extend back towards the engine 1.5" and forward towards the radiator 1.25". For maximum airflow and protection from rocks, it is highly recommended to use a fan shroud. Additionally, use cross membe