Sci 575 head replacement.

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05-03-2026 | 08:21 PM

#21

hpmaniac

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Joined: Jul 2024

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Quote:

Originally Posted by Padraig

What prop are you running?

max 5 29 pitch

05-04-2026 | 08:56 AM

#22

snapmorgan

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Joined: Aug 2010

Posts: 2,232

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From: Cape Coral FL

Quote:

Originally Posted by hpmaniac

did you have any issues with valve cover fitment on yours? I don't like the way mine feel, I machined the 2 rockers per side that touch, the adjustment rocker nuts clear but damn there close. It's just the way they fit the head surface on these afr heads.

Yes, i put spacers on first but didn't like them. I went with a set of Teague tall covers.

Yesterday | 08:56 PM

#23

Tartilla

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Joined: Aug 2019

Posts: 1,237

Likes: 418

From: BC

Interested in the Eddie Young Timing Chain got Gen VI.

Having a hard time sourcing a good balancer for larger Gen VI front seal/hub.

Yesterday | 09:08 PM

#24

hpmaniac

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Joined: Jul 2024

Posts: 193

Likes: 84

Quote:

Originally Posted by Tartilla

Interested in the Eddie Young Timing Chain got Gen VI.

Having a hard time sourcing a good balancer for larger Gen VI front seal/hub.

call young performance, that guy is amazing and has a wealth of knowledge. One of the best marine performance shops out there. Possibly the best! I've done tons of business with the man and his customer service is top notch. He can help you with whatever you need.