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      01-13-2022, 12:21 PM   #6
richlandforged
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Drives: F13 M6, E70 X5d, e46 330ci zhp
Join Date: Jun 2019
Location: Midwest

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The lowest ET we can produce on the 21x12 is ET32 which is 6mm more "poke/stance" than OE 343M. Inner clearance is good on that fitment on Stock suspension with 325 rear tire.

For super aggressive fitment a 10mm spacer is applicable on rear, especially for the HAS kits which have wider lower collar/spring perch than the OEM shock/strut.

In actuality we dont actually think the H&R HAS kit that is popular on this platform can feasibly be fitted with an 12" rear wheel as realistically one needs at least an effective ET+18 or ET+17, which is just too far for comfort in our opinion.

The H&R VTF kit however is made with a collar that is about 10mm less in diameter than the H&R kit, and can very successfully be run with a 325 tire/12"width.

Hope that helps!!


Quote:
Originally Posted by atillathetom View Post
Hello. Is your 21x12 M6 wheel available in a et 20 or 21 to allow flush fitment on lowered cars without a spacer?
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