421-02-8067 Polished PowerFlow Plus Polished PowerFlow Plus (Comes with all necessary hardware & gaskets). (Sold in pairs)
IMCO's innovative patented cast aluminum manifolds and risers are designed with 33" internal runners for those 510 and bigger cubic inch, naturally aspirated, or blown big block Chevy motors. Fully water-jacketed with NO water passing though the flange area of the manifold or riser pipe. Manifold has 2 1⁄4" primary runners they are equal to any tubular header on the market today. Dyno results have proven that PowerFlow Plus out performs most headers in torque, rpm, horsepower, and most of all longevity. Risers are available in three different configurations, three different heights, and two finishes Polished or Black. Black manifolds are hard coat anodized inside and out to withstand tough marine environments. All stainless steel tail pipes are custom made to your exact specifications. We also offer several different internal mufflers systems for you to choose. Please call IMCO for further information.
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421-PF-82KPLUS-P Powerflow Plus System - Polished manifolds and risers - 30 degree
IMCO's totally new Powerflow Plus cast aluminum, fully
water-jacketed exhaust manifolds are available in black or polished. Black
manifolds and risers are hard-coat anodized inside and out to withstand the
tough marine environment. The new Powerflow Plus features
IMCO's innovative patented design with 33" internal runners and a new ultra
hi-flow exhaust riser. Brackets are available for this system.
Powerflow manifolds are manufactured using the
finest materials and most advanced techniques available.
The high quality aluminum manifold castings feature
water jackets that surround each exhaust passage, including
the port, to eliminate the possibility of burn out.
The outside manifold surfaces are then coated with the
highest quality epoxy powder coating available, creating a part that
not only is highly corrosion resistant, but good looking as
well. Features an external fitting to accept stock MerCruiser
thermostat plumbing.
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421-PF-84KPLUS-P Powerflow Plus System - Polished manifolds and risers - 85 degree
IMCO's totally new Powerflow Plus cast aluminum, fully
water-jacketed exhaust manifolds are available in black or polished. Black
manifolds and risers are hard-coat anodized inside and out to withstand the
tough marine environment. The new Powerflow Plus features
IMCO's innovative patented design with 33" internal runners and a new ultra
hi-flow exhaust riser. Brackets are available for this system.
Powerflow manifolds are manufactured using the
finest materials and most advanced techniques available.
The high quality aluminum manifold castings feature
water jackets that surround each exhaust passage, including
the port, to eliminate the possibility of burn out.
The outside manifold surfaces are then coated with the
highest quality epoxy powder coating available, creating a part that
not only is highly corrosion resistant, but good looking as
well. Features an external fitting to accept stock MerCruiser
thermostat plumbing.
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421-02-8368 PowerFlow Plus Manifold and 30° Riser Kit Black
To view and download the PDF line drawing CLICK HERE
To view and download the PDF water hose diagram CLICK HERE PowerFlow Plus Manifold and 30° Riser Kit Black
IMCO's innovative patented cast aluminum manifolds and risers are designed with internal runners for 510 cubic inch, naturally aspirated, or blown big block Chevy engines. Fully water-jacketed with 2 1/4" primaries, they are equal to any tubular header on the market today. Dyno results have proven that PowerFlow Plus out performs headers in torque, rpm, horsepower, and most of all longevity. Black manifolds and riser are hard coat anodized inside and out to withstand tough marine environments. All stainless steel tail pies are custom made to your exact specifications. We off several internal mufflers for you to choose.
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Kit Includes |
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| QTY |
Description |
P/N |
| 2 |
PowerFlow Plus Manifolds (Black) |
02-1161 |
| 2 |
PowerFlow Plus Risers 30° (Black) |
02-1163 |
| 2 |
PowerFlow Plus Manifold Bolt & Gasket Kits |
02-8085 |
| 2 |
PowerFlow Plus Riser Pipe Bolt & Gasket Kits |
02-8087 |
| 2 |
Big Block Manifold Gaskets |
11-1008 |
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421-02-8372 PowerFlow Plus Manifold & 85° Riser Kit Black To view and download the PDF line drawing CLICK HERE
To view and download the PDF water hose diagram CLICK HERE
PowerFlow Plus Manifold & 85° Riser Kit Black
IMCO's innovative patented cast aluminum manifolds and risers are designed with internal runners for 510 cubic inch, naturally aspirated, or blown big block Chevy engines. Fully water-jacketed with 2 1/4" primaries, they are equal to any tubular header on the market today. Dyno results have proven that PowerFlow Plus out performs headers in torque, rpm, horsepower, and most of all longevity. Black manifolds and riser are hard coat anodized inside and out to withstand tough marine environments. All stainless steel tail pies are custom made to your exact specifications. We off several internal mufflers for you to choose.
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Kit Includes |
|
| QTY |
Description |
P/N |
| 2 |
PowerFlow Plus Manifolds (Black) |
02-1161 |
| 2 |
PowerFlow Plus Risers 85° (Black) |
02-1165 |
| 2 |
PowerFlow Plus Manifold Bolt & Gasket Kits |
02-8085 |
| 2 |
PowerFlow Plus Riser Pipe Bolt & Gasket Kits |
02-8087 |
| 2 |
Big Block Manifold Gaskets |
11-1008 |
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421-02-8376 PowerFlow Plus Manifold and 90° Riser Kit Black
To view and download the PDF line drawing CLICK HERE
To view and download the PDF water hose diagram CLICK HERE
PowerFlow Plus Manifold and 90° Riser Kit Black
IMCO's innovative patented cast aluminum manifolds and risers are designed with internal runners for 510 cubic inch, naturally aspirated, or blown big block Chevy engines. Fully water-jacketed with 2 1/4" primaries, they are equal to any tubular header on the market today. Dyno results have proven that PowerFlow Plus out performs headers in torque, rpm, horsepower, and most of all longevity. Black manifolds and riser are hard coat anodized inside and out to withstand tough marine environments. All stainless steel tail pies are custom made to your exact specifications. We off several internal mufflers for you to choose.
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Kit Includes |
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| QTY |
Description |
P/N |
| 2 |
PowerFlow Plus Manifolds (Black) |
02-1161 |
| 2 |
PowerFlow Plus Risers 90° (Black) |
02-1167 |
| 2 |
PowerFlow Plus Manifold Bolt & Gasket Kits |
02-8085 |
| 2 |
PowerFlow Plus Riser Pipe Bolt & Gasket Kits |
02-8087 |
| 2 |
Big Block Manifold Gaskets |
11-1008 |
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421-02-8065 Black PowerFlow Plus
Black PowerFlow Plus (Comes with all necessary hardware & gaskets). (Sold in pairs)
IMCO's innovative patented cast aluminum manifolds and risers are designed with 33" internal runners for those 510 and bigger cubic inch, naturally aspirated, or blown big block Chevy motors. Fully water-jacketed with NO water passing though the flange area of the manifold or riser pipe. Manifold has 2 1⁄4" primary runners they are equal to any tubular header on the market today. Dyno results have proven that PowerFlow Plus out performs most headers in torque, rpm, horsepower, and most of all longevity. Risers are available in three different configurations, three different heights, and two finishes Polished or Black. Black manifolds are hard coat anodized inside and out to withstand tough marine environments. All stainless steel tail pipes are custom made to your exact specifications. We also offer several different internal mufflers systems for you to choose. Please call IMCO for further information.
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This Part has options, please click the button below to order.
421-PF-82KPLUS-B Powerflow Plus System - Black manifolds and risers - 30 degree
IMCO's totally new Powerflow Plus cast aluminum, fully water-jacketed exhaust manifolds are available in black or polished. Black manifolds and risers are hard-coat anodized inside and out to withstand the tough marine environment. The new Powerflow Plus featuresIMCO's innovative patented design with 33" internal runners and a new ultra hi-flow exhaust riser. Brackets are available for this system.
Powerflow manifolds are manufactured using the finest materials and most advanced techniques available. The high quality aluminum manifold castings feature water jackets that surround each exhaust passage, including the port, to eliminate the possibility of burn out.
The outside manifold surfaces are then coated with the highest quality epoxy powder coating available, creating a part that not only is highly corrosion resistant, but good looking as well. Features an external fitting to accept stock MerCruiser thermostat plumbing.
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421-PF-84KPLUS-B Powerflow Plus System - Black manifolds and risers - 85 degree
IMCO's totally new Powerflow Plus cast aluminum, fully water-jacketed exhaust manifolds are available in black or polished. Blackmanifolds and risers are hard-coat anodized inside and out to withstand the tough marine environment. The new Powerflow Plus features IMCO's innovative patented design with 33" internal runners and a new ultra hi-flow exhaust riser. Brackets are available for this system.
Powerflow manifolds are manufactured using the finest materials and most advanced techniques available. The high quality aluminum manifold castings feature water jackets that surround each exhaust passage, including the port, to eliminate the possibility of burn out.
The outside manifold surfaces are then coated with the highest quality epoxy powder coating available, creating a part that not only is highly corrosion resistant, but good looking as well. Features an external fitting to accept stock MerCruiser thermostat plumbing.
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