They are available with steel fan blades in either standard or reverse rotation and aluminum blades in standard rotation. These fans are rated up to 8,000 rpm and are excellent low-cost alternatives to clutch fan systems.
1940 1941 FORD TRUCK 4 BLADE RADIATOR COOLING FAN NOS 525
1966 1967 Olds Cutlass F85 4 Blade Engine Cooling Fan & Spacer & Bolts GM OEM
4 Blade 15 3/4" Cooling Fan Blade for Jeep
1917-28 Ford MODEL T Engine Radiator 4 Blade Cooling Fan Blade
ORIGINAL GM 75 1976 1977 Chevy 18-3/4" 7 Blade Radiator Cooling Fan Blade 499501