Reverse Rotation Severe Duty Electronic Fan Clutch Our products are engineered and tested to take the heat so your vehicle won't. Backed by over 45 years of automotive cooling experience, fix it once and fix it right with Hayden. Precision machined Out of box installation Designed, tested, and built by application OE performance, fit, and appearance Package Dimensions: 19.25 x 8.75 x 5.50 inches Package Weight: 7.2 lb Package Quantity: 1 UPC: 036752032815 Bolt Hole Quantity: 4 Bolt Quantity: 6 Bolt Thread: 5/16-18 Hole Clutch Maximum Diameter: 7.35 in Clutch Type: D - Severe Duty & Truck Fan Drive Color: Raw Aluminum in Color Description: Fan Clutches Dia. IN: 7.35 in Distance From Clutch To Mounting Flange: 1.01 in Distance From Clutch To Mounting Flange: 1.02 in Duty Rating: Electro-Viscous Electronic Clutch?: Non Electronic Fan Bolt Circle IN: 6 in Fan Bolt Circle MM: 152.4 mm Material: Aluminum Meets / Exceeds OEM?: Yes Mount Dia. IN: 1.44 in Mount Dia. MM: 36 mm Mount Hole Qty: 4 Mount Type: HEX Mounting Hardware?: Not Included Mounting Hole Quantity: 4 Mounting Type: HEX New or Reman: New Overall Dia. IN: 7.35 in Overall Dia. MM: 186.7 mm Overall Height IN: 4.34 in Overall Height MM: 110.5 mm Performance Rated?: Yes Pilot Depth IN: 0.55 in Pilot Depth MM: 14 mm Pilot Dia. IN: 1.18 in Pilot Dia. MM: 30 mm Rotation: REV Style: Severe Duty Terminal Type: Male Type: Electronic Use Type: Electro-Viscous Wire Gauge Measurement: Uses Original Equipment Connector Wire Quantity: Uses Original Equipment Connector Country of Origin: MX