LS1TECH - Camaro and Firebird Forum Discussion - What's the difference between U94 & E94 317 heads?

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hawksthirdgen

Sep 25, 2010 11:46 PM

What's the difference between U94 & E94 317 heads?

I am looking at some 317 heads on Ebay but the same person is selling U94 heads for like $100 cheaper than E94 cylinder heads. What is the difference? They are both 72cc chambers so I have no clue.

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