Product Description
Overview
The South Bend SDD3250-5 is a street/tow dual disc clutch engineered for the 1994–2004 Dodge Ram 2500/3500 with the 5.9L Cummins and manual transmission. It’s built for trucks running power upgrades and real tow miles, delivering smooth engagement and big holding power while retaining daily-drive manners. Rated for up to 650 HP and ~1300 lb-ft when used with the stock 1-1/4", 10-spline input shaft (NV4500 5-speed or NON-HO NV5600 6-speed).
Key Features
- Street/Tow dual disc design for high holding capacity with smooth engagement.
- Direct fit for stock 1-1/4", 10-spline input shaft—no upgraded input required.
- Supports significant tuning, injectors, and turbo upgrades while remaining tow-friendly.
- Applications: 1994–2004 5.9L Cummins, NV4500 5-speed and NON-HO NV5600 6-speed.
Fitment
- Engine: 5.9L Cummins (12-valve 1994–1998; 24-valve 1998.5–2002; Common-rail 2003–2004)
- Transmissions: NV4500 (5-speed); NV5600 Non-HO (6-speed) only.
- Input Shaft: Stock 1-1/4" 10-spline.
- Power/Torque Capacity: Up to ~650 HP / ~1300 lb-ft (street/tow).
What’s Included
- South Bend SDD3250-5 Street/Tow Dual Disc clutch assembly
- Pressure plate & dual friction discs
- Flywheel (application dependent), alignment tool, and install hardware as supplied by South Bend
install Notes
- Intended for street/tow use; not for dedicated competition (sled pull/drag) setups.
- Break-in recommended per South Bend instructions before full-load towing.
- Always inspect/replace pilot bearing, release bearing, and hydraulics as needed during install.
Cross-Reference & Related Items
- Organic variant: SDD3250-5-ORG (all-organic facings for ultra-smooth engagement).
- Street Dual Disc family: SDD3250-5 (this listing), other material options available depending on use.
- Recommended add-ons: upgraded clutch hydraulics, pilot bearing, release bearing, ARP flywheel bolts (sold separately).
FAQs
Will this clutch work with my stock input shaft?Yes. The SDD3250-5 is designed for the stock 1-1/4", 10-spline input shaft found in NV4500 and NON-HO NV5600 applications.
Which transmissions are supported?
It fits NV4500 5-speed and NON-HO NV5600 6-speed trucks from 1994–2004 with the 5.9L Cummins. HO NV5600 applications use different kits.
How much power can it hold?
It’s commonly rated around 650 HP and ~1300 lb-ft for street/tow usage when installed and broken in properly.
Is this good for daily driving and towing?
Yes. The street/tow dual disc design prioritizes smooth take-off, drivability, and tow manners compared to more aggressive race compounds.
