Race Fan 19 in 3 Blade Fan - 5/8 in Hub - Universal Bolt Pattern - Aluminum Hub / Plastic Blades - Black / Natural PTT-HM-SC 13/16 in Hex Head

13/16 in Hex Head

this is the adapter you need

1982-1990 GMC C2500

Eibach Platinum Front Coil Spring - 5

Race Fan 19 in 3 Blade Fan - 5/8 in Hub - Universal Bolt Pattern - Aluminum Hub / Plastic Blades - Black / Natural PTT-HM-SC 13/16 in Hex HeadProduct Description: Mechanical Cooling Fan 19 in Fan 3 Blade 5 8 in Hub Universal Bolt Pattern Aluminum Hub Plastic Blades Black Natural Our fan features a universal center hub made from 6061 T6 Aluminum and composite blades for a significant decrease in weight over traditional steel fans. Our blades are manufactured using extremely durable high impact and high temperature fiber reinforced Zytel. On the rare occasion that a blade does become damaged