Quote:
Originally Posted by Kgolf31
128/135 is on the same frame, so yes.
Also, per SCCA ST* Rules, metal and rubber/poly content cannot be more than OE mount. So in the case with inserts, you're increasing this content and thus will be illegal, and easily noticed and protested at a National event if someone wants to make your day bad.
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you can't do the M3 rsfb?