This Part has options, please click the button below to order.
421-1102 + Option(s) IMCO Drive SCX Upper with SC Lower - Standard 1-7/16" Shaft
This complete outdrive kit allows you to convert from your stock Bravo drive to Imco's SCX upper with an SC lower. The kit comes with the SCX upper, your choice of an SC lower, helmet kit, drive reservoir.
Engineered from scratch for high horsepower/high torque engines, IMCO's SCX.
- No transmission needed. Cone clutch shifts internally.
- Fits Bravo HD gimbal with helmet change.
- Larger net-forged, 1 piece gears and oversized bearings.
- Larger clutch.
- Internal water cooling with built-in drive shower.
- Giant 5 quart oil capacity.
- 1-7/16" Prop Shaft
- This item does not ship UPS, Please Call To Order.
- All new, oversized heavy-duty components (bearings, gears, shafts, and case).
- 2+ years of research, design, development and testing.
- 3 gear ratios available 1:25, 1:34, 1:50.
- Accept standard Bravo style propellers.
- 4 lengths available, standard length, 1", 2", or 3" shorter
For Replacement Parts:
SCX Upper Case Click Here
SCX Upper Gear Click Here
SC Lower Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due it's cost this part cannot be purchased online.
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This Part has options, please click the button below to order.
421-1130ITS + Option(s) IMCO Drive SCX4 Upper with SCX4 Lower - ITS Steering
This unit comes with the helmet kit and drive reservoir.
4" Shorter than standard SC Drive, 2" shorter than SCX drive.
Engineered from scratch for high horsepower/high torque engines
- No transmission needed. Cone clutch shifts internally.
- Fits Bravo HD gimbal with helmet change.
- Larger net-forged, 1 piece gears and oversized bearings.
- Larger clutch.
- Internal water cooling with built-in drive shower.
- Giant 5 quart oil capacity.
- 3 gear ratios available 1:25, 1:34, 1:50.
- 2 prop shafts available 1 7/16" or Mercury Racing #6
For Replacement Parts:
SCX4 Lower Click Here
SCX4 Upper Case Click Here
SCX4 Upper Gear Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due it's cost this part cannot be purchased online.
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This Part has options, please click the button below to order.
421-1132 + Option(s) IMCO Drive SCX4 Upper with SCX4 Lower - Blue Printed
This unit comes with the helmet kit and drive reservoir.
4" Shorter than standard SC Drive, 2" shorter than SCX drive.
Engineered from scratch for high horsepower/high torque engines
New blue printed version designed to improve overall performance and handling.
- No transmission needed. Cone clutch shifts internally.
- Fits Bravo HD gimbal with helmet change.
- Larger net-forged, 1 piece gears and oversized bearings.
- Larger clutch.
- Internal water cooling with built-in drive shower.
- Giant 5 quart oil capacity.
- 3 gear ratios available 1:25, 1:34, 1:50.
- 2 prop shafts available 1 7/16" or Mercury Racing #6
For Replacement Parts:
SCX4 Lower Click Here
SCX4 Upper Case Click Here
SCX4 Upper Gear Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due it's cost this part cannot be purchased online.
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This Part has options, please click the button below to order.
421-1132ITS + Option(s) IMCO Drive SCX4 Upper with SCX4 Lower - ITS Steering
This unit comes with the helmet kit and drive reservoir.
4" Shorter than standard SC Drive, 2" shorter than SCX drive.
Engineered from scratch for high horsepower/high torque engines
New blue printed version designed to improve overall performance and handling.
- No transmission needed. Cone clutch shifts internally.
- Fits Bravo HD gimbal with helmet change.
- Larger net-forged, 1 piece gears and oversized bearings.
- Larger clutch.
- Internal water cooling with built-in drive shower.
- Giant 5 quart oil capacity.
- 3 gear ratios available 1:25, 1:34, 1:50.
- 2 prop shafts available 1 7/16" or Mercury Racing #6
For Replacement Parts:
SCX4 Lower Click Here
SCX4 Upper Case Click Here
SCX4 Upper Gear Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due it's cost this part cannot be purchased online.
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421-05-8005
IMCO Extreme Advantage HP Gimbal with Outside Steering Kit
Now you can eliminate the weak link in your drive train and run without the
worry of mechanical failure. The HP Gimbal Housing gives your drive the strength
it needs. Check these IMCO, HP Gimbal super features:
- The HP Gimbal Housing uses a thicker than stock casting.
- The HP helmets have been beefed up in all critical areas including the pin
locations that are normally prone to failure.
- The HP Gimbal lower swivel pin is 40% stronger than original.
- The HP Gimbal has a removable bearing pack for easy maintenance.
- The HP Gimbal nameplate can be simply unscrewed for access to the upper
swivel shaft nut, without removing the housing from the transom.
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421-05-100B
IMCO Extreme Advantage HP Gimbal Without Steering
Now you can eliminate the weak link in your drive train and run without the
worry of mechanical failure. The HP Gimbal Housing gives your drive the strength
it needs. Check these IMCO, HP Gimbal super features:
- The HP Gimbal Housing uses a thicker than stock casting.
- The HP helmets have been beefed up in all critical areas including the pin
locations that are normally prone to failure.
- The HP Gimbal lower swivel pin is 40% stronger than original.
- The HP Gimbal has a removable bearing pack for easy maintenance.
- The HP Gimbal nameplate can be simply unscrewed for access to the upper
swivel shaft nut, without removing the housing from the transom.
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This Part has options, please click the button below to order.
421-01-83 + Option(s) IMCO Extreme HP SC Replacement Drive - Upper Only
Our Xtreme Advantage SC drive upper units are available for those who may already own a IMCO, or a stock Bravo lower.
The Billet Aluminum top cap is supported by eight bolts with a controlled water-circulation system and built in spray nozzles to provide maximum cooling to the external upper gear case.
The steel tower in the floor is stabilized through internal lateral support beams to eliminate tower flex and gear deflection.
IMCO has developed a rigid pinion and bearing pack assembly with non-elastic shims to provide the correct rolling torque while stabilizing
both input yoke and pinion. Tightened to 75 lb/ft, the pinion assembly is held in place by our plated steel ujoint retainer nut through a direct
load-bearing path.
For Replacement Parts:
SC Upper Case Click Here
SC Upper Gear Click Here
NOTE: These parts & unit have no warranty.
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421-05-8033
IMCO Gimbal Ring Kit - Mercury Top Pin
Now you can eliminate the weak link in your drive train and run without the
worry of mechanical failure. The Gimbal Ring gives your drive the strength
it needs. Gimbal Ring Kit Black (Mercury Gimbal) must be used with hydraulic steering
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421-BRV-FLUSH Low Water Flush Kit
This unit is designed to fit an IMCO lower unit or IMCO nose cone and provides a way to flush water through the engine cooling system to clear salt residue.
Note: This item will not fit a stock Bravo with low water pickup.
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421-RGKC IMCO Manifold to Riser Gaskets - Replacement Thumper Power Riser Seal
These are all the popular IMCO riser gaskets Don't be caught without spares
This is a common wear item.
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This Part has options, please click the button below to order.
421-02-8383 Imco Powerflow LS Chevy Kit with Cast Black Riser and Black Manifolds
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.
NOTE: NO O2 PROVISION
This exhaust system will not work with Hardin Marine Accessory Drive Kits 625-8312 and 625-8313 and closed cooling kit 625-8574.
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421-02-8385 Imco Powerflow LS Chevy Kit with Cast Polished Riser and Polished Manifolds
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.
NOTE: NO O2 PROVISION
This exhaust system will not work with Hardin Marine Accessory Drive Kits 625-8312 and 625-8313 and closed cooling kit 625-8574.
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421-02-8382 Imco Powerflow LS Chevy Kit with Stainless Riser and Black Manifolds
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. O2 Sensor Provision Option Available.
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421-02-8384 Imco Powerflow LS Chevy Kit with Stainless Riser and Polished Manifolds
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. O2 Sensor provision option available.
This exhaust system will not work with Hardin Marine Accessory Drive Kits 625-8312 and 625-8313 and closed cooling kit 625-8574.
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This Part has options, please click the button below to order.
421-01-810 + Option(s) Imco SC Drive Spacers for 2" Lower
These are for Imco SC Drives with 2" Lower. Available from 1/2" to 2"
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This Part has options, please click the button below to order.
421-01-81 + Option(s) Imco SC Drive Spacers for Dual Downshaft Lower, 1/2", 1", 1-1/2" or 2"
These are for Imco SC Drives with Dual Downshaft. Available in 1/2", 1", 1-1/2" or 2"
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This Part has options, please click the button below to order.
421-01-810 + Option(s) Imco SC Drive Spacers for standard or 1" Lower
These are for Imco SC Drives with standard height or 1" Lower. Available from 1/2" to 2"
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This Part has options, please click the button below to order.
421-01-84 + Option(s) Imco SC Xtreme Advantage Lower Unit - 1 1/4 prop shaft
- 1-1/4" Prop Shaft
- This item does not ship UPS, Please Call To Order.
- All new, oversized heavy-duty components (bearings, gears, shafts, and case).
- 2+ years of research, design, development and testing.
- 3 gear ratios available 1:25, 1:34, 1:50.
- Accept standard Bravo style propellers.
- 1" Lower
For Replacement Parts Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due to its cost this part cannot be purchased online.
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This Part has options, please click the button below to order.
421-01-84 + Option(s) Imco SC Xtreme Advantage Lower Unit - 1 1/4 prop shaft
- 1-1/4" Prop Shaft
- This item does not ship UPS, Please Call To Order.
- All new, oversized heavy-duty components (bearings, gears, shafts, and case).
- 2+ years of research, design, development and testing.
- 3 gear ratios available 1:25, 1:34, 1:50.
- Accept standard Bravo style propellers.
- 2" lower
For Replacement Parts Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due to its cost this part cannot be purchased online.
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This Part has options, please click the button below to order.
421-01-84 + Option(s) Imco SC Xtreme Advantage Lower Unit - 1 1/4 prop shaft
- 1-1/4" Prop Shaft
- This item does not ship UPS, Please Call To Order.
- All new, oversized heavy-duty components (bearings, gears, shafts, and case).
- 2+ years of research, design, development and testing.
- 3 gear ratios available 1:25, 1:34, 1:50.
- Accept standard Bravo style propellers.
- 3" Lower
- The 3" shorter lower does not fit a standard Bravo.
For Replacement Parts Click Here
NOTE: These parts & unit have no warranty.
NOTE: This page is setup so you can pre-configure your Drive before calling to place an order. Due to its cost this part cannot be purchased online.
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