including 500

Each tophat is made to accept a 5/16" diameter bolt

which output DC voltage)

See Additional Info for fitment

What this means is that you will not accidentally strip out the threads when tightening the hardware

Spark Plug Boots and Terminals - Straight Style - for 7mm or 8mm Spark Plug Wire Thread Size_3/8-16 including 500These Spark Plug Boots and Terminals are perfect if you just need a replacement boot, want to make your own custom plug wire sets or want to replace Rajah clips on an existing plug wire set. Kit includes: Qty 2 Straight Rubber Boots For 7mm or 8mm Plug Wire Qty 2 High Tension Crimp on Terminals