Subaru Impreza GC8 & RS Forum & Community: - View Single Post - 2.5RS Engine swap to EJ203 SOHC non turbo
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Old 10-07-2015, 05:32 PM  
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Originally Posted by dscoobydoo View Post
There were no USDM 2.0 engines that are similar. Except for the block and a few other oddities, you pretty much use the EJ251-3 parts on this swap.

Sadly, I found that the EJ203 had different specs depending on the year and car, so it may only be 145 hp
The usdm 02-05 wrx ej205 shares the same head gasket. Don't say NO usdm cars share the same parts.
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