Derale Heavy-Duty Flex Fan 19" Heavy Duty # DER-17019 Rate_12 These plugs also feature copper

These plugs also feature copper center cores

Valve Springs Included:Yes

Metric Master Thread Kit - comes with the following adapters: 7mm x 1

236 Intake / 242 Exhaust Duration

Ford 429 460 2Y Crankshaft Flexplate Suits C6 Transmission # FRA-207

Derale Heavy-Duty Flex Fan 19" Heavy Duty # DER-17019 Rate_12 These plugs also feature copperFan, Flex Type, Heavy Duty, Clockwise, 19 in. Diameter, Stainless Steel Blades Steel Hub, Universal, Each Rotation: Clockwise Clutch Required: No Blade Type: Flex Diameter (in.): 19. 000 in. Number of Blades: 6 blades Blade Color: Natural Blade Material: Stainless steel Hub Color: Black Hub Material: Steel Remanufactured: No Quantity: Sold individually. Derale Heavy Duty Flex Fans Derale heavy duty flex fans generate maximum airflow at low rpm and