This kit is assembled using Chromoly 8740 bolts from ARP specially machined to fit the 3.0T crank pulley. The bolts have 10 mm heads and are packed very close to each other when installed, so you may need to use a thin-walled socket like a 1/4” drive or 3/8” drive 12-pt.
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Audi B8/8.5 3.0TFSI engine. Fits OEM and most aftermarket crank pulleys. If you have an aftermarket crank pulley that does not use OEM-sized bolts (M8x1.25x25 socket cap screws) please inquire before purchasing.
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25mm bolts confirmed to fit on: OEM, 034, XLR8 pulleys
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30mm bolts confirmed to fit on Fluidampr and JHM pulleys
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These bolts do not fit the APR pulley.
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