SOUTH BEND 1670104-6 FLYWHEEL — NV5600 (2000.5–2005.5 DODGE RAM 5.9L CUMMINS HO)

Restore smooth, consistent clutch engagement on your HO NV5600 truck. The South Bend 1670104-6 is a heavy-duty, solid (single-mass) flywheel engineered for 2000.5–2005.5 5.9L Cummins HO applications. Manufactured from low-carbon, hot-rolled steel for stability under higher clamp loads, it’s built to resist warping and heat for long service life.

• Tooth Count: 152-tooth ring gear
• Construction: Solid steel (single mass), optimized for South Bend clutch kits
• Typical Weight: ~70 lb
• Use Case: Daily, work/tow, performance clutch conversions
• Note: Designed for South Bend 13" conversion clutches; not for OEM stock clutch.

FITMENT

• Vehicle: Dodge Ram 2500/3500 (select 4500 chassis cabs vary)
• Engine: 5.9L Cummins HO
• Transmission: NV5600 6-speed (HO), Model Years 2000.5–2005.5

WHAT'S INCLUDED

• South Bend 1670104-6 solid flywheel (152T)
• Ring gear pre-installed
• Install hardware as supplied by kit (see your clutch kit contents)

CROSS-REFERENCE / ALTERNATIVES

• Street/Tow Dual Disc Kits for HO NV5600 (SDD3250-6 family)
• Single-Disc NV5600 Kits (e.g., 1947-OK / 1947-OFEK)
• South Bend HD clutch hydraulics (recommended with higher clamp loads)

INSTALL NOTES

• Verify you have an HO NV5600 (2000.5–2005.5). Non-HO and NV4500 use different flywheels.
• This flywheel is intended for South Bend 13" conversion clutches and will not work with a stock OEM clutch.
• Inspect/replace pilot & release bearings when servicing the clutch.

FAQ

No. It is a solid (single-mass) performance flywheel intended to be used with South Bend’s 13" clutch kits for the HO NV5600.

The ring gear is 152-tooth, matching HO NV5600 applications.

No. This part is specifically for 2000.5–2005.5 HO NV5600 trucks. Non-HO and NV4500 applications use different components.

HD hydraulics are recommended with higher clamp-load clutch kits for consistent release and pedal feel.