421-01-4563 Pinion Gear (1:50) 15 Tooth
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421-08-120700004 Pinion Hub (5/16" Copper Sealing Washers)
10 per Upper Case Assembly (Sold Each)
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421-01-2560 Pinion Hub (SCX, SCX4, SCXT, SCX4T)
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421-01-2548 Pinion Hub Shims
Pinion Hub Shims (Packaged as a kit)
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421-01-2240 Pinion Seal Carrier
Used with XR yoke.
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421-04-1296 Polished Stringer Mount Bolts to side of Stringer. Polished Stringer Mount Bolts to side of Stringer.
Mounts are cast A-356 aluminum heat treated to -T6 full hard for maximum strength. Stringer mounts (SOLD IN PAIRS).
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421-04-1385 Polished Water Pump BracketPolished Water Pump Bracket
Fits Mercury water pumps wiht machined snout and Jabsco water pumps.
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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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421-02-1092 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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421-02-1093 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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421-02-1095 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.
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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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421-02-8059 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.
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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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