421-PF-82AK Powerflow Big Block Kit with Stainless Riser
This "A" pipe is used with Bravo drives or
King Cobra drives. It's short design allows for
thru transom exhaust tip hook-up. This system has a 10% horsepower increase and 40-50 foot
pounds of torque on stock engines. All Powerflow systems are available fully polished.
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-85SAK Powerflow Big Block System with Stainless Silent Choice Risers
This popular system allows the use of a
switchable exhaust diverter. These risers are stainless
steel and custom designed to ease installation. They
use a standard 4" diverter connection.
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-PF84SK Powerflow S-Pipe System - Big Block System Chevy with Stainless Risers
This "S" pipe is unique in many ways. It has
an infinite number of advantages. This pipe will
size up to many pre-existing port locations. It's great
for below platform applications with large camshafts
or high performance motors. It allows the exhaust
to mix with water down at the first connection.
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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|
421-02-1091 Black Big Block Manifolds
Black big block manifolds. (Sold in pairs)
These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds on big blocks. We have experienced 40 to 50 foot pounds of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
Powerflow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout. Black manifolds are hard anodized prior to powder coat, to ensure against corrosion. All manifolds are available in Recirc or standard.
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations (AS SHOWEN IN RISER PIPE SECTION), to accommodate just about every application. Custom riser pipes can also be manufactured to order, just give us a call for details.
Our Powerflow manifolds have a weight savings of 80 pounds over stock cast iron big block manifolds. It allows for twin engine mounting down to 33" centers.
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421-02-1093 PowerFlow B/B Recirc Manifolds (Black)
These Powerflow Recirc or Preheat Manifolds are a specialized exhaust system that are one of many examples for all out powerboat racing applications. (Sold in pairs)
These are perfect for those who like to pre-heat their motors to get temperature, or for those who have closed cooling systems (early style, round hole with round water inlet replacement manifolds available).
These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds on both small block and big block. We have experienced 40 to 50 foot pounds of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
Powerflow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout. Black manifolds are hard anodized prior to powder coat, to ensure against corrosion. All manifolds are available in Recirc or standard.
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations (AS SHOWEN IN THE RISER PIPE SECTION), to accommodate just about every application. Custom riser pipes can also be manufactured to order, just give us a call for details.
Our Powerflow manifolds have a weight savings of 80 pounds over stock cast iron big block manifolds. It allows for twin engine mounting down to 33" centers.
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421-02-8057 Powerflow Big Block Chevy Manifolds Only Kit (Pair of Manifolds)
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. Kit includes gaskets and bolts.
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421-02-8318 PowerFlow Big Block Manifold Polished and "A" Riser Kit To view and download the PDF line drawing Left Side CLICK HERE To view and download the PDF line drawing Right Side CLICK HERE To view and download the PDF water hose diagram CLICK HERE PowerFlow Big Block Manifold Polished and "A" Riser Kit
Shown with optional riser bung. These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40-50 foot pound of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
PowerFlow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout
Big Block Stainless steel "A" risers are designed for stock Mercruiser Bravo exhaust tip locations. 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).
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations to accommodate just about every application. Custom riser pipes can also be manufactured to order, see "custom pipes" for details.
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.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Manifolds (Polished) |
02-1092 |
2 |
Standard Height "A" Risers |
02-6096 |
2 |
PowerFlow Big Block Bolt Kits |
02-8083 |
2 |
Big Block Manifold Gaskets |
11-1008 |
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421-02-8320 PowerFlow Big Block Manifold and "A" Riser Kit 3" Taller (Sold in pairs) ) To view and download the PDF line drawing Left Side CLICK HERETo view and download the PDF line drawing Right Side CLICK HERETo view and download the PDF water hose diagram CLICK HERE
PowerFlow Big Block Manifold and "A" Riser Kit 3" Taller
Shown with optional riser bung. These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40-50 foot pound of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
PowerFlow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout.
Big Block 3" Stainless steel "A" risers are designed for stock 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).
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations to accommodate just about every application. Custom riser pipes can also be manufactured to order, see "custom pipes" for details.
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.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Manifolds (Polished) |
02-1092 |
2 |
3" Taller "A" Risers |
02-6097 |
2 |
PowerFlow Big Block Bolt Kits |
02-8083 |
2 |
Big Block Manifold Gaskets |
11-1008 |
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|
421-02-8322 PowerFlow Big Block Polished Manifold and "A" Riser Kit 6" Taller (Sold in pairs) To view and download the PDF line drawing Left Side CLICK HERETo view and download the PDF line drawing Right Side CLICK HERETo view and download the PDF water hose diagram CLICK HEREPowerFlow Big Block Polished Manifold and "A" Riser Kit 6" Taller
These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40-50 foot pound of torque on bigh block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
PowerFlow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout.
Big Block 6" Stainless steel "SA" riser pipes are designed to replace stock Mercruiser Bravo exhaust with 6" riser block between manifold & Riser. 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).
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations to accommodate just about every application. Custom riser pipes can also be manufactured to order, see "custom pipes" for details.
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.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Manifolds (Polished) |
02-1092 |
2 |
6" Taller "A" Risers |
02-6096 |
2 |
PowerFlow Big Block Bolt Kits |
02-8083 |
2 |
Big Block Manifold Gaskets |
11-1008 |
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421-02-8330 PowerFlow Big Block Polished Manifold and "SA" Riser Kit To view and download the PDF line drawing Left Side CLICK HERE To view and download the PDF line drawing Right Side CLICK HERE To view and download the PDF water hose diagram CLICK HERE PowerFlow Big Block Polished Manifold and "SA" Riser Kit
Shown with optional riser bung. These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40-50 foot pound of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
PowerFlow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout.
SA riser pipes are designed for Mercruiser Silent Choice, Corsa Quick and Quiet, and IMCO's Sound Advantage systems. A 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).
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations to accommodate just about every application. Custom riser pipes can also be manufactured to order, see "custom pipes" for details.
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.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Manifolds (Polished) |
02-1092 |
2 |
Standard Height "SA" Risers |
02-6108 |
2 |
PowerFlow Big Block Bolt Kits |
02-8083 |
2 |
Big Block Manifold Gaskets |
11-1008 |
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|
421-02-8332 PowerFlow Big Block Polished Manifold and "SA" Riser Kit 3" Taller (Sold in pairs) To view and download the PDF line drawing Left Side CLICK HERETo view and download the PDF line drawing Right Side CLICK HERETo view and download the PDF water hose diagram CLICK HEREPowerFlow Big Block Polished Manifold and "SA" Riser Kit 3" Taller
Shown with optional riser bung. These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40-50 foot pound of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
PowerFlow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout.
Big Block 3" Stainless steel "SA" riser pipes are designed to replace stock Mercruiser Bravo exhaust with 3" riser block between manifold & riser. 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. They can also be used with our Aluminum "S" pipes part number 02-1225 for under swim step applications.
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations to accommodate just about every application. Custom riser pipes can also be manufactured to order, see "custom pipes" for details.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Manifolds (Polished) |
02-1092 |
2 |
3" Taller "SA" Risers |
02-6109 |
2 |
PowerFlow Big Block Bolt Kits |
02-8083 |
2 |
Big Block Manifold Gaskets |
11-1008 |
|
|
421-02-8334 PowerFlow Big Block Polished Manifold and "SA" Riser Kit 6" Taller (Sold in pairs) To view and download the PDF line drawing Left Side CLICK HERETo view and download the PDF line drawing Right Side CLICK HERETo view and download the PDF water hose diagram CLICK HEREPowerFlow Big Block Polished Manifold and "SA" Riser Kit 6" Taller
Shown with optional riser bung. These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds. We have experienced 40-50 foot pound of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
PowerFlow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout.
Big Block 6" Stainless steel "SA" riser pipes are designed to replace stock Mercruiser Bravo exhaust with 6" riser block between manifold & riser. 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. They can also be used with our Aluminum "S" pipes part number 02-1225 for under swim step applications. The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations to accommodate just about every application. Custom riser pipes can also be manufactured to order, see "custom pipes" for details.
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.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Manifolds (Polished) |
02-1092 |
2 |
6" Taller "SA" Risers |
02-6110 |
2 |
PowerFlow Big Block Bolt Kits |
02-8083 |
2 |
Big Block Manifold Gaskets |
11-1008 |
|
|
421-02-8338 Powerflow S-Pipe System - Big Block System Chevy with Stainless Risers and Polished Manifolds
This "S" pipe is unique in many ways. It has
an infinite number of advantages. This pipe will
size up to many pre-existing port locations. It's great
for below platform applications with large camshafts
or high performance motors. It allows the exhaust
to mix with water down at the first connection.
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.
|
|
421-02-1092 Polished Big Block Manifolds
Polished big block manifolds. (Sold in pairs)
These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds on big blocks. We have experienced 40 to 50 foot pounds of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
Powerflow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout. Black manifolds are hard anodized prior to powder coat, to ensure against corrosion. All manifolds are available in Recirc or standard.
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations (AS SHOWEN IN RISER PIPE SECTION), to accommodate just about every application. Custom riser pipes can also be manufactured to order, just give us a call for details.
Our Powerflow manifolds have a weight savings of 80 pounds over stock cast iron big block manifolds. It allows for twin engine mounting down to 33" centers.
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|
421-02-1095 Polished Big Block Recirculation Manifolds
Polished big block recirculation manifolds. (Sold in pairs)
These Powerflow Recirc or Preheat Manifolds are a specialized exhaust system that are one of many examples for all out powerboat racing applications.
These are perfect for those who like to pre-heat their motors to get temperature, or for those who have closed cooling systems (early style, round hole with round water inlet replacement manifolds available).
These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds on both small block and big block. We have experienced 40 to 50 foot pounds of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
Powerflow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout. Black manifolds are hard anodized prior to powder coat, to ensure against corrosion. All manifolds are available in Recirc or standard.
The risers are highly polished stainless steel, and are designed for 4" exhaust tips. We offer a wide variety of riser pipe configurations (AS SHOWEN IN THE RISER PIPE SECTION), to accommodate just about every application. Custom riser pipes can also be manufactured to order, just give us a call for details.
Our Powerflow manifolds have a weight savings of 80 pounds over stock cast iron big block manifolds. It allows for twin engine mounting down to 33" centers.
|
|
421-02-8059 Powerflow Big Block Chevy Manifolds Only Kit , Polished(Pair of Manifolds)
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 polished. Features an external fitting to accept stock MerCruiser
thermostat plumbing. Kit includes gaskets and bolts.
|
|
421-02-8063 PowerFlow Big Block Manifold Kit Recirc Polished (Sold in pairs)
PowerFlow Big Block Manifold Kit Recirc Polished (Sold in pairs)
These high performance manifolds are unique in design, that creates a high velocity airflow that increases torque, rpm, and horsepower over stock cast iron manifolds on big blocks. We have experienced 40 to 50 foot pounds of torque on big block 502, 415 horsepower motors, and 80 to 90 foot pounds of torque on engines up to 575 cubic inches.
Powerflow manifolds are water-jacketed, water surrounds each exhaust passage, including the ports to eliminate burnout. Black manifolds are hard anodized prior to powder coat, to ensure against corrosion. All manifolds are available in Recirc or standard.
Our PowerFlow manifolds have a weight savings of 80 pounds over stock cast iron big block manifolds. It allows for twin engine mounting down to 33" centers.
These are perfect for those who like to pre-heat their motors to get temperature, or for those who have closed cooling systems.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Big Block Recirc Manifolds (Polished) |
02-1095 |
2 |
PowerFlow Big Block Bolt Kits |
02-8084 |
2 |
Big Block Manifold Gaskets |
11-1008 |
2 |
Big Block Manifold Riser Gaskets |
11-1004 |
|
|
421-02-8370 PowerFlow Plus Manifold and 30° Riser Kit Polished
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 Polished
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. All stainless steel tail pies are custom made to your exact specifications. We off several internal mufflers for you to choose.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Plus Manifolds (Polished) |
02-1162 |
2 |
PowerFlow Plus Risers 30° (Polished) |
02-1164 |
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 |
|
|
421-02-8378 PowerFlow Plus Manifold and 90° Riser Kit Polished
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 Polished
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. All stainless steel tail pies are custom made to your exact specifications. We off several internal mufflers for you to choose.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Plus Manifolds (Polished) |
02-1162 |
2 |
PowerFlow Plus Risers 90° (Polished) |
02-1168 |
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 |
|
|
421-02-8374 PowerFlow Plus Manifold and 85° Riser Kit Polished
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 85° Riser Kit Polished
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. All stainless steel tail pies are custom made to your exact specifications. We off several internal mufflers for you to choose.
|
Kit Includes |
|
QTY |
Description |
P/N |
2 |
PowerFlow Plus Manifolds (Polished) |
02-1162 |
2 |
PowerFlow Plus Risers 85° (Polished) |
02-1166 |
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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