Switching heads on a 07 avalanche

Asked by Gregory Feb 16, 2017 at 11:53 PM about the 2007 Chevrolet Avalanche LTZ 4WD

Question type: Car Customization

I have a 07 avalanche with a LS 5.3 motor I want to
know will heads off of a 06z LS7 motor will they fit

3 Answers
159,075

Bob answered 7 years ago

They will bolt up, but the intake and exhaust ports may be different.

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