THE NEW GH KIT IS ON.... THIS THING IS KILLER NO MORE SLOP LOOKS AND FITS TIGHT.IF I COULD JUST GET RID OF SOME OF THE SLOP ON THE ACKERMAN THING WOULD BE GOOD, BUT IM AFRAID IF I SHIM IT TOO MUCH IT WILL BIND. ANY INPUT. AND I USE A OFNA BLUE BOX ON MY HELLFIRE W/ STOCK ENGINE WORKS FINE.