Aftermarket universal Ignition Switch has three functions (On, Start and ACC)
This piece comes with two square head GM style keys
Incorporates an integrated keyhole dust cover
Ignition switch has 30 amp accessory capacity, 8 amp ignition for the coil or HEI, and 75 amp on the crank circuit capacity
Requires a .995 or 1″ hole, has overall length of 2 3/4″ from mount surface to end of center stud, overall diameter of main body is 1 13/16″