27W-3-030-1X 11th Gen Brake Master Brace for FSTB

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These instructions were written with a 2022 Honda Civic EX. Other models will be similar

If you have a 10th generation Civic then please use these instructions instead

Please note that this is an upgrade for the 27WON Front Strut Tower Bar (FSTB) only. 27WON FSTB must be installed or in-hand prior to starting this install

If you need the 27WON FSTB instructions click here: 27W-3-020-XX 11th Gen Front Strut Tower Bar

If you don't have a 27WON FSTB yet then you can purchase one here: https://store.27won.com/11th-gen-civic-f...

This step is not necessary for 2.0L naturally aspirated engines

Failure to move coolant line could result in coolant leak

Master cylinder brace will contact a coolant line if coolant line is not moved

The red arrow shows where coolant line will contact brake brace if this step is not followed

Unseat the coolant line from the clip

Using a pair of pliers remove the clip from the bracket

Flip the clip upside-down and install it on the bottom of the bracket

Reinsert the coolant line into the clip

If your 27WON front strut tower bar is not yet installed, skip to next step

Locate the mounting points for the FSTB on drivers side. Using a 14 mm socket and ratchet, remove the nuts as shown

Repeat for the three nuts on passenger side

Remove the bar from your car and set on workbench

Place the FSTB on workbench upside down as shown and locate the mounting tabs

Orient the Brace to the FSTB as shown

Align the mounting holes on the Master Cylinder Brake Brace with mounting holes on the FSTB

When inserting the hardware into the mounting holes, make sure it is in this order. The orange arrows indicate mounting tabs and the black arrow indicates the MCBB

Insert the two M6 bolts (blue arrow) through the aligned holes. Make sure the washers (green arrows) are sandwiched between the FSTB mounting tabs and the brake brace

Loosely thread the two M6 nuts (red arrow) onto the bolts to hold it in place

It's now time to install or reinstall the FSTB assembly with Master Cylinder Brace

For convenience we are including installation of FSTB from now on though this is a separate part with it's own installation instructions

If you removed the 27WON FSTB from your car earlier, skip to next step

Remove three (3) flange nuts from Driver side strut tower with a 14mm socket and ratchet wrench

Repeat for the passenger side

Clean any debris from the strut top surface

Orientate the strut bar as shown

Place each end of the strut bar down on the strut tops over the studs

Install the three (3) OEM flange nuts

Using a torque wrench and 14mm socket, torque each nut to 53-55 lb-ft

Install the three (3) OEM flange nuts

Using a torque wrench and 14mm socket, torque each nut to 53-55 lb-ft

If you earlier removed the 27WON FSTB from your car, skip to next step

With the FSTB installed in the car, the FSTB will contact the vacuum hose shown

To stop the hose from rubbing on the FSTB during engine movement, the hose must be zip tied to the adjacent hose with the zip tie provided with FSTB

Push down on the vacuum hose and loosely zip tie it to the adjacent hose to create space between hose and FSTB

Be careful not to over tighten the zip tie as this could damage the hoses

Cut the excess zip tie with wire cutters or scissors

The strut bar sits very close to the battery cable, please verify the cables are not pushing up into the strut bar

If the cables are pushing into the strut bar, adjust the cables by flexing them toward the front of the car a bit to create clearance

The battery cables are insulated and protected by a plastic jacket but minimizing contact with the bar is preferred

With the brake brace loosely installed check the fitment of the brake brace foot to determine how much adjustment is needed, green arrow

To adjust the brake brace foot, circled in orange, thread the top nut, shown by the yellow arrow, toward the foot with a 10mm open end wrench

The brake brace foot can now be moved in or out by turning bottom nut, shown by the blue arrow, with a 10mm open end wrench

Turn bottom nut until foot is snug against master cylinder as shown

Once you have adjusted the foot to the proper location, then with a 10mm wrench, thread the top nut away from the foot until the nut butts up against the brake brace

Brake Brace can rotate a bit at the strut bar which impacts location of foot on master cylinder

Tighten both sets of M6 hardware using either two 10mm wrenches or one 10mm wrench and a 10mm socket with a ratchet, tighten until snug (24-48 in-lbs)

This completes the installation of your 27WON Performance Master Cylinder Brake Brace

We hope you were impressed with your 27WON experience and love your new Master Cylinder Brake Brace for years to come. Email us at sales@27won.com or call us at 571-271-0271 with any questions or concerns

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