SOUTH BEND 1944-6OR SINGLE DISC CLUTCH — 1999–2003.5 FORD 7.3L POWER STROKE (ZF-6)

Proven street/tow reliability for your 7.3. The South Bend 1944-6OR is a Stage 1 organic single-disc clutch designed for 1999–2003.5 Ford F-Series 7.3L Power Stroke trucks with the ZF-6 manual transmission. It’s a smooth-engaging upgrade that handles tuned daily drivers and towing without the harsh “race” feel.

• Rating: ~400 HP / ~800 ft-lbs (vehicle-dependent)
• Use case: Street / daily / towing
• Disc material: Full organic
• IMPORTANT: Will not work with the OEM flywheel (requires compatible South Bend flywheel / conversion; flywheel not included)

FITMENT

• Engine: 7.3L Power Stroke
• Model Years: 1999–2003.5 Ford F-250/F-350 Super Duty
• Transmission: ZF-6 (S6-650) 6-speed manual

WHAT’S INCLUDED

• Pressure plate & single organic clutch disc
• Alignment tool and small parts as provided by South Bend
• Flywheel not included (requires South Bend-compatible flywheel)

CROSS-REFERENCE / ALTERNATIVES

• South Bend 1944-6OR-HD — HD Organic variant (~425 HP / ~900 ft-lbs)
• South Bend F/C 1944-6OR — Organic conversion kit with flywheel (application-specific)
• South Bend F/C 1944-6OR-HD — HD Organic conversion kit with flywheel

INSTALL NOTES

• Confirm you have a compatible South Bend flywheel (this kit will not work with OEM)
• Follow South Bend break-in procedure for best life and engagement
• Inspect hydraulics and linkage; replace worn components to ensure proper release

FAQ

No. The 1944-6OR is not compatible with the OEM flywheel. Use a compatible South Bend flywheel or an appropriate conversion kit.

It’s typically rated around 400 HP and 800 ft-lbs in street/tow use, depending on the truck’s setup and how it’s driven.

Yes—the 1944-6OR-HD increases capacity to roughly 425 HP / 900 ft-lbs while retaining smooth engagement.

No. This is a replacement clutch kit without a flywheel. If you need a flywheel, consider the F/C 1944-6OR (conversion) options.