What size bolts do you use to install the JDM 4-1 heat shields lower and upper?
Got all the goodies just need to get the bolts to hold them on but what size and how long and do they have to be able to take heat any help would be great
CHRIS
CHRIS
You can reuse the bolts that hold the heat shield on your stock manifold. 12mm head with 8 X 1.25 thread.
-kenji
-kenji
to block the heat from circulating under the hood, therefore making underhood temperature lower which in turn helps the cooling effect and makes the air cooler and keeps the cars performance more effecient.
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mynameizstitch
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Mar 15, 2009 04:04 PM




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