Derale HO RAD Dual 11 in Electric Fan - Puller - 3750 CFM - 12V - Curved Blade - 24 x 17 in - 4-1/2 in Thick - Aluminum Shroud Underwear die cast aluminum 1/2" NPT

die cast aluminum 1/2" NPT ports-up filter mount and a 1/2" NPT ports up spin-on adapter with most everything you need for an easy installation

375 in W x 22

5/8 in Left Hand Female Thread

1958-1959 GMC S300

Derale HO RAD Dual 11 in Electric Fan - Puller - 3750 CFM - 12V - Curved Blade - 24 x 17 in - 4-1/2 in Thick - Aluminum Shroud Underwear die cast aluminum 1/2" NPTDerale Dual Radiator Fan w Aluminum Shroud Assembly 16833 Dual Electric Fan 12" Diameter Fans w Shroud 24. 000" Width 17. 000" Height 4. 50" Thick Designed for primary cooling, Raw aluminum shroud construction can be polished, painted or anodized, High Output IP 68 certified waterproof dustproof motors, 3750 CFM, Multiple mounting options, Puller (engine side) applications only, Air pressure relief vents, Kit includes adjustable mounting brackets and