Quote:
Originally Posted by NoHaveMSG
The rocker pivots had the oiling hole change diameter on the driver side head. 14' is also the first year of the longer valve stem and rocker arm with deeper pocket. This is to improve rocker arm retention.
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Thanks - We are not very mechanical - do these changes causes issues when, say bolting in a 2014 engine into a 2013? Brz/ frs same exact engine too?