Product Description
Quiet street dual disc for serious power (650 HP / ~1,200 FT-LBS). The VALAIR QNV45DDSN uses ceramic facings, a 3,800 lb diaphragm pressure plate, and a strapped (quiet) floater to tame rattle when the pedal is down while delivering confident bite for tuned 2nd-gen Cummins builds.
Fitment
- 1994–2003 Dodge Ram 2500/3500, 5.9L Cummins, NV4500 5-speed manual
- 12-valve (1994–1998), 24-valve (1998.5–2002), and early-2003 NV4500 trucks
- Input shaft: Street dual discs are 1.375" (1-3/8"). If your truck is still 1-1/4", upgrade the input before installation.
2003 note: Many 2003 trucks use the NV5600 6-speed. Confirm transmission before ordering.
What’s Included
- Nodular iron dual-disc flywheel (sprung-hub)
- 3,800 lb diaphragm pressure plate
- Ceramic dual discs
- Release (throwout) bearing & HD pilot bearing
- Modified clutch fork, bolt kit, starter spacer, and alignment tool
Recommended Supporting Parts
- Hydraulics (94–97): Valair NMU70HYD-01
- Hydraulics (98–02): Valair NMU70HYD-02
- Starter spacer (NV4500): Valair V2151
- Flywheel (5-speed service part): Valair V3433
- Flywheel bolts: ARP 147-2802
Cross-Reference / Alternatives
- Street Dual Disc – Organic (smoother engagement, 550 HP): NMU70NV45DDSN-ORG
- Need NV5600 (01–05) instead? See our NV5600 clutch category: NV5600 Clutch Kits
FAQ
How much power will this clutch hold?It’s rated around 650 HP and ~1,200 ft-lbs for street use with tuned setups. Stay within rating for best life.
Is it actually quiet?The strapped floater reduces the typical dual-disc floater rattle when the pedal is depressed. It will not eliminate normal diesel gear rollover noise at idle.
Do I need a 1-3/8" input shaft?Yes if your NV4500 is still 1-1/4". This kit uses 1-3/8" hubs. Upgrade the input before installation to avoid spline mismatch.
What else should I replace while I’m in there?We recommend fresh hydraulics and hardware for consistent pedal feel and clamp load: NMU70HYD-01, NMU70HYD-02, ARP 147-2802.
Break-in procedure?About 500 miles of light, stop-and-go driving. Avoid hard launches or heavy towing until break-in is complete.
