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Forum: General Q & A

01-08-2005, 06:48 PM

Replies: 3

Views: 1,071

Posted By mcollinstn

Re: Model heads on 525sc heads

No.

525SC 's use GM iron rectangle ports.
HP525 's use Edelbrock aluminum.

Forum: General Q & A

01-08-2005, 05:23 PM

Replies: 3

Views: 1,071

Posted By mcollinstn

Re: Model heads on 525sc heads

look at the last 3 digits of the casting number.

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