Tap and die sets include a gauge that calculates threads per inch. Select the corresponding die that matches with the reading on the thread per inch gauge, and set the die in the handle that comes with the set.
The IROC-Z model of the Chevrolet Camaro first made its public appearance in 1985 as an add on option to the 1985 Camaro Z28 model. But its origin began long before that. IROC stands for International Race of Champions which is an automobile racing series similar to what NASCAR is.
For general Camaro information, see Chevrolet Camaro. The fifth-generation Chevrolet Camaro is a pony car produced by Chevrolet. It is the fifth distinct generation of the Camaro to be produced since its original introduction in 1967. Production of the new Camaro began on March 16, 2009 after several years on hiatus since the previous generation's production ended in 2002 and went on sale to the public in April 2009 for the 2010 model year.