Product Description
SOUTH BEND SFDD3250-6.4 STREET DUAL DISC CLUTCH – 2008–2010 FORD 6.4L POWER STROKE (6-SPEED)
Built for real trucks that tow and daily. The South Bend SFDD3250-6.4 is a dampened street dual disc designed for the 6.4L Power Stroke with a 6-speed manual. Expect smooth engagement, light pedal effort from the diaphragm pressure plate, and serious holding power for street, towing, and daily use.
- Capacity: 550–650 HP / ~1,300 ft-lbs (truck dependent)
- Use case: Street / Tow (NOT for competition use)
- Friction: Dual disc, half organic / half ceramic facings (street/tow balance)
- Pressure Plate: Diaphragm style for lighter pedal
- Flywheel: Included
FITMENT
- Engine: 6.4L Power Stroke diesel
- Model Years: 2008, 2009, 2010
- Trucks: Ford F-250 / F-350 / F-450 / F-550 equipped with 6-speed manual (ZF-6)
WHAT'S INCLUDED
- Diaphragm pressure plate
- Two clutch discs with dampened hub and floater plate
- Flywheel
- Pilot bearing, release bearing, alignment tool, hardware
CROSS-REFERENCE / ALTERNATIVES
- SFDD3250-6.4-ORG (Full Organic Street Dual Disc) – smoother engagement, slightly lower heat tolerance
- Competition/SFI dual disc options – for dedicated racing or sled pull applications
INSTALL NOTES
- Break-in per South Bend guidelines is critical for best life and engagement.
- Inspect/refresh hydraulics and linkage for consistent release with higher clamp loads.
- Not recommended for stock power trucks; intended for modified/tuned vehicles that tow and daily drive.
FAQ
How does the pedal feel compare to stock?The diaphragm pressure plate provides a lighter, more manageable pedal than many performance clutches while offering a firm bite once engaged.
Is this clutch SFI certified or for competition?
No. This is a street/tow dual disc and is not SFI certified. For competition use, choose an SFI-rated kit.
What power and torque will it hold?
It is commonly rated for 550–650 HP and around 1,300 ft-lbs when the truck is in good mechanical condition and driven appropriately.
Does it include the flywheel and bearings?
Yes—flywheel, pilot/release bearing, alignment tool, and hardware are included for a complete install.
Will it work on all 2008–2010 6.4L manual trucks?
Yes, it’s built for 2008–2010 6.4L Power Stroke trucks equipped with the 6-speed manual (ZF-6).
