Featured here is an ignition ballast resistor for the following:

1957-1964 Chevy, V8 or 6 cylinder  (except high performance)

1963-1964 Corvette (2nd design, except spec hi performance, FI)

1965 Corvette

1966-1967 Corvette (exc transistorized ignition)

Original style bracket with half moon cut in.

1.8 Ohms

Made in USA and is a "GM Restoration Part". 

It has the Delco Remy logo and is a "GM Restoration Part".