I need to know if the center hole, on the Chevy cab which is behind the seat and sets the channel on the floor, is well at a distance of 4 ½ inches from the back of the cab as it appears on this picture. Be carefull, the place of this hole is not the same on the GMC cab.
![Image](http://i2.photobucket.com/albums/y30/M38Bill/Dimensions06-1.jpg)
Waiting for your replies.
Cheers from Canada