Product Description
SOUTH BEND G56-OK-HD HEAVY DUTY CLUTCH KIT – 2005.5–2015 DODGE RAM 5.9L/6.7L CUMMINS (G56 6-SPEED)
Daily-driveable holding power for work and tow. The South Bend G56-OK-HD is a heavy-duty single-disc clutch with a wide organic lining that delivers smooth, quiet engagement and reliable torque capacity for tuned 5.9L/6.7L Cummins trucks that still tow.
- Capacity: ~425 HP / ~900 ft-lbs (truck/setup dependent)
- Use case: Street / towing / daily driving
- Lining: 3" wide premium organic for smooth take-off
- Includes: Single-mass flywheel (replaces factory dual-mass)
- Pedal feel: Comfortable engagement suitable for daily use
FITMENT
- Transmission: G56 6-speed manual
- Engine: 5.9L Cummins (2005.5–2007) and 6.7L Cummins (2007.5–2015)
- Vehicles: 2005.5–2015 Dodge Ram 2500/3500 (select chassis cab applications may vary)
WHAT'S INCLUDED
- HD pressure plate
- 13" organic clutch disc (3" wide lining)
- Solid (single-mass) flywheel
- Pilot bearing, release bearing, alignment tool, and hardware
CROSS-REFERENCE / ALTERNATIVES
- Explore all CPP G56 clutch options (single and dual disc)
- South Bend G56-OFEK – increased capacity with OFE friction for higher-tuned trucks
- South Bend SDD3250-G Street Dual Disc – step up for 650 HP / 1,300 ft-lbs builds
- HD clutch hydraulics for G56 – recommended for consistent release with performance clutches
INSTALL NOTES
- Break-in per South Bend instructions is critical for longevity and smooth engagement.
- Replacing worn hydraulics during install helps ensure proper release and pedal feel.
- Verify build date (2005.5+) to confirm G56 transmission before ordering.
FAQ
How much power will the G56-OK-HD hold?It’s rated around 425 HP and ~900 ft-lbs, ideal for stock to moderately tuned trucks that tow regularly.
Does this kit include a flywheel?
Yes. It includes a single-mass flywheel to replace the factory dual-mass unit used with the G56.
Is it suitable for heavy towing?
Yes. The wide organic lining provides smooth engagement and good heat capacity for frequent towing when driven properly.
Do I need upgraded hydraulics?
Not strictly required, but fresh or HD hydraulics are recommended for consistent release—especially on older trucks or higher clamp loads.
Will it chatter compared to the factory dual-mass flywheel?
A single-mass flywheel can transmit a bit more drivetrain feel at idle, but the organic disc helps maintain smooth, quiet engagement in daily use.