The most precise way to set up a set of gears is to use a solid pinion shim instead of a crush collar. This kit includes a selection of shims to get the pinion pre-load dead on.
GForce - Pontiac GTO Solid Pinion Spacer Kit
The most precise way to set up a set of gears is to use a solid pinion shim instead of a crush collar. This kit includes a selection of shims to get the pinion pre-load dead on.