575 GM 540 V-8 1986-1992 - Serial 0A677429 Thru 0D763716

IMCO Drive - SCX Upper with SC Lower with 1-1/4" Prop 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.
• 1-1/4" 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.
• 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.

IMCO Drive - SCX Upper with SC Lower with 1-1/4" Prop Shaft - ITS Steering

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.
• 1-1/4" 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.
• 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.

SCX4 Complete Surface Drive

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.

IMCO Drive SC Upper with SC Lower with 1-1/4" Prop Shaft

This unit is a complete IMCO SC Drive. You can configure this drive to fit your particular needs by choosing between the different colors, gear ratio's and the lengths of the lower unit that are offered.

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 Lower Click Here
SC Upper Case Click Here
SC 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 to its cost this part cannot be purchased online.

IMCO Drive SC Upper with SC Lower with 1-7/16" Prop Shaft

This unit is a complete IMCO SC Drive. You can configure this drive to fit your particular needs by choosing between the different colors, gear ratio's and the lengths of the lower unit that are offered.

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 Lower Click Here
SC Upper Case Click Here
SC 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 to its cost this part cannot be purchased online.

IMCO Drive SCX Upper with SC Lower - 1-7/16" Prop Shaft - ITS Steering

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.
• Standard length

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.

Imco SC Xtreme Advantage Lower Unit - 1 7/16 prop shaft

• 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.
• 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.

Imco SC Xtreme Advantage Lower Unit - 1 7/16 prop shaft

• 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.
• 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.

Imco SC Xtreme Advantage Lower Unit - 1 7/16 prop shaft

• 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.
• 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.

Imco SC Xtreme Advantage Lower Unit - 1 7/16 prop shaft

• 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.
• Standard length

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.

Imco SC Xtreme Advantage Lower Unit - Bare Case

IMCO Xtreme Advantage Lower with Vertical Shaft & 3 Bearings

100% engineered and manufactured by IMCO

For Replacement Parts: Click Here

The 3" shorter lower does not fit a standard Bravo.

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.