Product Description
SOUTH BEND 1947-OFEK ORGANIC/FERAMIC CLUTCH KIT – 00.5–05.5 DODGE 5.9L CUMMINS NV5600
Built to handle real work and weekend power, the South Bend 1947-OFEK Dyna Max OFE single-disc clutch pairs an organic lining with a feramic lining for high holding power and smooth, predictable engagement. This proven NV5600 upgrade is an ideal match for tuned 5.9L Cummins trucks that tow or see spirited street use.
Key Features
- OFE (Organic/Feramic) friction combo for strong bite with streetable manners
- Approx. rating: up to ~475 HP / 1,000 ft-lbs (vehicle/setup dependent)
- Includes balanced flywheel for proper release and pedal feel
- Diaphragm pressure plate with increased plate load for durability and smooth engagement
- 13" (330 mm) full-face, sprung-hub disc
- Input/spline: 1-3/8" (1.375") 10-spline NV5600
What’s Included
- Pressure plate & 13" OFE single-disc
- Flywheel (OFEK = includes flywheel)
- Throwout/release bearing
- Pilot bearing/bushing
- Alignment tool & install hardware
Fitment
- 2000.5–2005.5 Dodge Ram 2500/3500, 5.9L Cummins (HO) with NV5600 6-speed manual
- 1-3/8" 10-spline input (NV5600)
Install Notes
- Recommended break-in before heavy towing or full-power pulls
- Inspect/refresh hydraulics if pedal feel or release is inconsistent
- Not recommended for completely stock/untuned trucks—this is a performance/towing upgrade
Cross-Reference / Related South Bend Part Numbers
(Use to compare options for similar platforms—verify transmission & spline before ordering.)
- 1947-OFE – OFE single-disc kit (no flywheel)
- 1947-O – Organic single-disc kit
- 1947-OK – Organic single-disc with flywheel
- G56-OFEK – OFE single-disc for 2005.5+ G56 6-speed (not NV5600)
FAQs
How much power and torque will the 1947-OFEK hold?It’s commonly rated around ~475 HP and ~1,000 ft-lbs at the crank in well-matched builds. Actual results depend on vehicle weight, gearing, tire size, and driving style.
Does this kit include a flywheel?
Yes. The “K” in OFEK indicates the flywheel is included.
What transmission and spline does it fit?
NV5600 6-speed with a 1-3/8" (1.375") 10-spline input shaft.
Is the OFE disc harsh to drive in traffic?
OFE balances organic smoothness with feramic bite. Expect firmer engagement than stock but very manageable for daily use when installed and broken in properly.
Is this suited for towing?
Yes—OFE is a popular towing upgrade due to its holding power and heat resistance. Follow proper break-in and driving technique for best results.
