PerTronix Flame-Thrower Electronic Marine Distributor - Magnetic Pickup - Mechanical Advance - Socket Style - Black - Small Block Ford Suspension Components Deals a knurled jam nut is

a knurled jam nut is then used to position a degree wheel

25 in Dish

added safety and improved economy

15x8 5-lug comes with IMCA sticker

PerTronix Flame-Thrower Electronic Marine Distributor - Magnetic Pickup - Mechanical Advance - Socket Style - Black - Small Block Ford Suspension Components Deals a knurled jam nut isProduct Description: Distributor Flame Thrower Electronic Marine Magnetic Pickup Mechanical Advance Socket Style Black Small Block Ford Sold Individually Pertronix manufactures a broad range of ignition components, including distributor caps and rotors, and related components. They are best known for their point to electric ignition conversion kits, which are available for wide range of domestic and import applications.