GrimmSpeed 05-07 LGT Brake Master Cylinder Brace User Manual
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7. Using a 10mm socket, install the shorter M6 bolts into the holes in the brace closest to the firewall. An
extension and/or deep well socket will help here and it’s best to start the bolt by hand. Taping the head of
the bolt to the socket will help prevent you from needing to climb around under the vehicle to retrieve lost
bolts. Do not tighten fully.
8. Install the longer bolts into the two remaining holes in the brace. At this point, you can either use these
bolts to reattach the wiring harness bracket as well, or opt to remove the bracket completely. The
included bolts are of sufficient length for either.
9. Once all four bolts are installed, torque them to 15ft-lb each.
10. Next, place the fuel line assembly back onto the GrimmSpeed master cylinder brace. Some cars will
require that the two aluminum spacers be placed between the MBC and the fuel line bracket, others will
not. The photo below shows spacer placement (lower) as well as the possible point of interference (upper).