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

Smooth, stock-like engagement with South Bend reliability. The 1944-6R is a 13" full-organic single disc designed for ZF-6 trucks at stock power levels. It includes a Kevlar pilot bushing and delivers excellent drivability for daily use and light towing.

• Disc diameter: 13"
• Friction: Full organic (single disc)
• Use case: Stock HP / stock torque, daily driving, light towing
• Includes: Pressure plate, clutch disc, release bearing, Kevlar pilot bushing, alignment tool
• IMPORTANT: Will not work with OEM dual-mass flywheel.

FITMENT

• Make/Engine: Ford F-250/F-350 Super Duty, 7.3L Power Stroke
• Years: 1999–2003.5
• Transmission: ZF S6-650 (ZF-6) 6-speed manual
• Input/Splines: 1.375" (1-3/8") input, 10-spline

WHAT’S INCLUDED

• Pressure plate & 13" full-organic disc
• Release/throwout bearing
• Keevlar pilot bushing
• Alignment tool & hardware as supplied by manufacturer

CROSS-REFERENCE / ALTERNATIVES

• South Bend 1944-6K Stock Clutch Kit (includes single-mass flywheel) – complete conversion when you need a new flywheel.
• South Bend 1944-6OKHD (HD Organic, ~425 HP) – step up in capacity for tuned/towing builds.
• See all 1999–2003 clutch kits – compare options for your ZF-6 truck.

HELPFUL NOTES

• This does not include a flywheel and will not work with the OEM dual-mass flywheel. Use with a South Bend single-mass flywheel (e.g., via 1944-6K kit) or an existing SB single-mass setup.
• Break-in: Follow South Bend’s clutch break-in procedure to ensure smooth engagement and long life.

FAQ

No. The 1944-6R is a “w/o flywheel” repair kit and will not work with the OEM dual-mass flywheel. If you need a flywheel, use the 1944-6K conversion kit.

Very close to stock. The full-organic disc is tuned for smooth take-off and daily drivability.

It’s a stock HP kit intended for factory-level power and light towing. For higher output or heavy tow