Air Cleaner Nut 5/16 - WM273125 They don't machine the pinion

They don't machine the pinion mounts with the seal because they use hardened steel that is difficult to machine for unmatched strength

This bolt is the answer to your idler arm needs

1-1/4" top bar

Clears firewall that is minimum 7" from back of block

The Wehrs heavy duty modular steel clamp on metric caliper bracket is designed for aggressive brake packages and feature a caliper support flat and tab for better braking

Air Cleaner Nut 5/16 - WM273125 They don't machine the pinionForget your wrench on the way to tech? No worries, with one of our nuts there is no wrench required. Easy to turn grip radius design with an O ring seal. This is our 5 16" nut.