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Thumbnail Filmstrip of 1999-2003 7.3L Powerstroke Organic Street Dual Disc Clutch South Bend SFDD3250-6-ORG Images
The South Bend SFDD3250-6-ORG is an organic street dual-disc clutch for a 1999–2003 7.3 with a ZF6. It is rated to about 550 hp and 1,100 lb-ft. Organic is the daily-driver material. It takes off smooth and does not chatter the way a ceramic disc does.
Two discs double the friction area, so it holds more than a stock single disc and sheds heat better. The input is the 1.375-inch, 10-spline shaft on the S6-650. The throwout bearing is in the kit. The hydraulic line and the master are a separate kit, South Bend Hydx-F67.3. The transmission has to come out.
It fits 1999–2003 F-250 and F-350 trucks with a ZF6.
Fitment
- 1999–2003 Ford 7.3L Powerstroke
- ZF6, S6-650
- Organic dual disc
- About 550 hp and 1,100 lb-ft
- 10-spline, 1.375 inch
- Throwout bearing included
- Hydraulics not included
A ZF5 is a different clutch. A ceramic disc is the race material. This one is for a truck that still has to leave a stoplight clean. Resurface or replace the flywheel when the clutch is out.
The South Bend SFDD3250-6-ORG is an organic street dual-disc clutch for a 1999–2003 7.3 with a ZF6. It is rated to about 550 hp and 1,100 lb-ft. Organic is the daily-driver material. It takes off smooth and does not chatter the way a ceramic disc does.
Two discs double the friction area, so it holds more than a stock single disc and sheds heat better. The input is the 1.375-inch, 10-spline shaft on the S6-650. The throwout bearing is in the kit. The hydraulic line and the master are a separate kit, South Bend Hydx-F67.3. The transmission has to come out.
It fits 1999–2003 F-250 and F-350 trucks with a ZF6.
Fitment
- 1999–2003 Ford 7.3L Powerstroke
- ZF6, S6-650
- Organic dual disc
- About 550 hp and 1,100 lb-ft
- 10-spline, 1.375 inch
- Throwout bearing included
- Hydraulics not included
A ZF5 is a different clutch. A ceramic disc is the race material. This one is for a truck that still has to leave a stoplight clean. Resurface or replace the flywheel when the clutch is out.
Q
Sam • 03/18/2026, 0:30:41 AM
Does this kit come with the pilot and throw out bearings?
A
03/18/2026, 3:57:18 PM
Yes, everything is included that's in the picture.
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: 7.3 Powerstroke 1999-2003 6 Speed (Manual Only)
Fits: 7.3 Powerstroke 1999-2003 6 Speed 375hp/800tq (Manual Only)
Fits: 7.3 Powerstroke 1999-2003 6 Speed 425hp/900tq (Manual Only)