Imco Uppers, Lowers and Drives - Imco Upper Units

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.

SCX4 Upper Complete Assembly (Black)
SCX Gimbal Helmet must be used with this drive

SCX4 Upper Complete Assembly Black
This item does not ship UPS, Please Call To Order.

Engineered from scratch for high horsepower/high torque engines, IMCO's SCX4

•   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.

SCX4 Upper Complete Assembly (Silver)
SCX Gimbal Helmet must be used with this drive

SCX4 Upper Complete Assembly Silver
This item does not ship UPS, Please Call To Order.

Engineered from scratch for high horsepower/high torque engines, IMCO's SCX4

• 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.

SCX Upper Complete Assembly (Black)
SCX Gimbal Helmet must be used with this drive

SCX Upper Complete Assembly Black
This item does not ship UPS, Please Call To Order.

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.

SCX Upper Complete Assembly (Silver)
SCX Gimbal Helmet must be used with this drive

SCX Upper Complete Assembly Silver
This item does not ship UPS, Please Call To Order.

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.

IMCO SCX Upper Conversion Kit

This kit allows you to convert from your stock Bravo upper. The kit comes with the upper, helmet kit, drive reservoir and a lower unit coupler.

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.

For Replacement Parts:
SCX Upper Case Click Here
SCX Upper Gear Click Here

NOTE: These parts & unit have no warranty.

IMCO SCX Upper Conversion Kit - ITS Steering

This kit allows you to convert from your stock Bravo upper. The kit comes with the upper, helmet kit, drive reservoir and a lower unit coupler.

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.

For Replacement Parts:
SCX Upper Case Click Here
SCX Upper Gear Click Here

NOTE: These parts & unit have no warranty.

SC Upper Case - Black

This part number is case only, it does not include, gears, shafts, bearings, seals, or hardware.

Upper Case Black

This part number is case only, it does not include, gears, shafts, bearings, seals, or hardware.

Upper Case Silver

This part number is case only, it does not include, gears, shafts, bearings, seals, or hardware.

SCX4 Upper Case (Black)

This part number is case only, it does not include, gears, shafts, bearings, seals, or hardware.

SCX4 Upper Case (Silver)

This part number is case only, it does not include, gears, shafts, bearings, seals, or hardware.