PowerFlow Small Block Polished Manifold and "A" Riser 3" Taller Kit (Sold in pairs)
To view and download the PDF line drawing Left Side CLICK HERE
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To view and download the PDF line drawing Right Side CLICK HERE
To view and download the PDF water hose diagram CLICK HERE
PowerFlow Small Block Polished Manifold and "A" Riser 3" Taller Kit
Shown with optional riser bung. These manifolds were designed for high horsepower 350 cid to 427 cid engines that are making 350 HP Plus. Manifolds have a 1 1/2" I.D. runner with a tall D port entry. The outlet is 3" with a stainless steel air straightened plate to direct exhaust into riser pipe for maximum scavenging. Manifolds will work with angled spark plugged heads or straight spark plugged heads. Also you can use tall valve covers for various rocker arm assemblies and stud girdle. Black manifolds are hard anodized prior to powder coat, to ensure against corrosion.
Weight savings of 65 lbs over cast iron and allows for twin installation down to 30" centers.
Small Block 3" Stainless steel "A" risers are designed for stock location Mercruiser Bravo exhaust with 3" riser block between manifold & riser. Tip locations should be 3" higher then stock. 3/4"npt fitting is used on front of pipe for thermostat housing that have (4) 1" hoses water to go to exhaust manifolds if needed click on (ADD BUNG). Shift bracket, ECM, or EFI brackets available as bolt on or welded to the risers. To order see PowerFlow accessories or click on "Related Products" on the right side of screen..
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Kit Includes |
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| QTY |
Description |
P/N |
| 2 |
PowerFlow Small Block Manifolds (Polished) |
02-1016 |
| 2 |
PowerFlow Small Block "A" 3" Risers |
01-6020 |
| 2 |
Small Block Manifold Gaskets |
11-1009 |
| 2 |
PowerFlow Small Block Bolt Kits |
2-8081 |
