Quote:
Originally Posted by stinger32
I have a ec250 2018 and a ec300 2015. I want to change cylinder on the ec250 to a 300cc I have looked at the part lists and it has different part nr 2015-2018. But there are some s3 300cc cylinders on ebay and they claim that it fits 2000-2019. So are they any differences between the cylinders over the years or does a 2015 ec300 cylinder fit a 2018 ec250?
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The S3 ones you see for sale are likely from North Tahoe Motorsports. He also sells the updated pv assembly as well which was updated in 2015. Shoot him a message on Ebay he is super knowledgeable and helpful. I have ordered a bunch of stuff from him. He has the S3 racing cylinders where they adjusted and cleaned up the porting.