<< I'm somewhat intrigued by those locknuts, because you always read about them in manuals, but never see them in practice. >> EACH of your LBCs "should" have one [1] per 'shifter', RD. Get the Factory Shop Parts Manual[s] out and LOOK <G> !! Ed PS: Your's 'should' also do the opposite of PPP's as you ARE .........NORTH of the border -:) !!