Stainless Marine HP500 dry to the tip risers
#1
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Joined: Sep 2014
Posts: 396
Likes: 29
From: Patuxent River, Maryland
This listing is for 2 pristine pairs of Stainless Marine through hull risers for big block bravo applications. These risers have the higher rise & drop, are dry to the tip, and have anti-reversion rings inside the pipes to combat reversion. All four have O2 bungs welded in by the factory.
They were produced in April 2021 and used one season for less than 50 hours before being removed to go with a full dry system. I bought them for my reversion issues but have limited engine compartment clearance and dont want to cut the hatches, so going in a different direction to solve it. The build date is verified by the etching inside the flange to the manifold.
These risers have the standard bravo drop termed -1 by stainless marine, meaning the centerline of the pipes is 1 inch above the point where a straightedge laid flat across the manifold flange would meet the transom. You will need 11 inches of clearance from the top of the manifold for them to fit under your hatch.
They come in the factory packing including form fitted foam so will be well protected during transport.
These cost 4200 per pair from Stainless marine, I'm selling both pairs for 5000., shipping on you or pickup in Maryland. PayPal, venmo, or Cashapp accepted.
Here's a clip on Youtube:: https://www.youtube.com/watch?v=3Ru3jQZFgis&feature=youtu.be








They were produced in April 2021 and used one season for less than 50 hours before being removed to go with a full dry system. I bought them for my reversion issues but have limited engine compartment clearance and dont want to cut the hatches, so going in a different direction to solve it. The build date is verified by the etching inside the flange to the manifold.
These risers have the standard bravo drop termed -1 by stainless marine, meaning the centerline of the pipes is 1 inch above the point where a straightedge laid flat across the manifold flange would meet the transom. You will need 11 inches of clearance from the top of the manifold for them to fit under your hatch.
They come in the factory packing including form fitted foam so will be well protected during transport.
These cost 4200 per pair from Stainless marine, I'm selling both pairs for 5000., shipping on you or pickup in Maryland. PayPal, venmo, or Cashapp accepted.
Here's a clip on Youtube:: https://www.youtube.com/watch?v=3Ru3jQZFgis&feature=youtu.be








#4
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Joined: Sep 2014
Posts: 396
Likes: 29
From: Patuxent River, Maryland
Yep, they are, feel free to verify that directly with Letty. For some reason they don't have those particular risers on their website, but here are the non high rise thru hulls which sell for 1800 each (not for a pair). That's before extras like the 02 bungs.
https://www.stainlessmarine.com/shop...ilt-to-fit-ea/
The high rise hp500 style dry to the tip are the most expensive ones they sell, and do cost 4200 per pair.
https://www.stainlessmarine.com/shop...ilt-to-fit-ea/
The high rise hp500 style dry to the tip are the most expensive ones they sell, and do cost 4200 per pair.
#8
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Joined: Feb 2008
Posts: 6,759
Likes: 158
From: Connecticut
post 1
post 2
post 3
post 4......ect... to post 8
then you are all set!


