53F What does it mean?

Information on the naturally-aspirated KA24E and KA24DE engines.
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TravisD
Posts: 299
Joined: Tue Jun 08, 2004 5:46 pm

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It's stamped all over the place...cams, head, intake mani and collector, pistons, brackets, etc. The vacuum diagram under the hood has 53F00 printed in the corner and the exhaust mani has 53F01 stamped on it. What's up with this?Is it a code for the engine code or something? (KADE in an s13)


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