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3074376 | Cummins N14 Rocker Shaft, New

Pricing: $45.83

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When it comes to Rocker Shafts, why risk your engine?

Don’t let a small part turn into a major repair. We wouldn't risk putting sub-par parts into our engines, so why should you?

HHP only sells Rocker Shafts that are manufactured in a state of the art facility using top of the line machining and measuring equipment to ensure each part is manufactured to OEM specifications. Combine this with up to 50% off OEM prices, an industry leading 2-year warranty and technical expertise from HHP’s certified staff, and you’ve got a quality Rocker Shafts that will keep you running for another million miles.

Need a little extra proof? Let's talk shop.

  • You can rest easy knowing that this Rocker Shaft is of superior workmanship as it is produced to the OEM Specifications.

  • Shop with confidence! Our 3074376 Cummins N14 Rocker Shaft will save you money AND provide the same or higher quality product when compared to the OE!

  • It is of the highest importance to HHP to ensure the quality, workmanship and consistency of all our parts. That's why they are manufactured and assembled in an environment which is IS0 9001: 2008 compliant.


  • (1) Rocker Shaft


2-Year Parts and Labor Warranty
OEM Applications:
  • 3066222
  • 3072352
  • 3074376

Technical Data

Torque Specs:
Intake Manifold: 35 FT/LBS
Exhaust Manifold: 35,60 FT/LBS
Flywheel: 200 FT/LBS
Flywheel Surfacing: 2.932-2.942 CUP
Damper: 190 FT/LBS
Main Bearing Cap: 90, 170, 255 FT/LBS LOOSEN & REPEAT
Connecting Rod: 75, 195 FT/LBS
Cyl Head: 100, 220, 220 FT/LBS, + 90°
Camshaft Gear Bolt: CAM FOLLOWER ASSEMBLY 15, 35 FT/LBS

Tune-up Spec:
Compression Ratio: 16.3:1 RATIO
Firing Order: 1-5-3-6-2-4
Oil Pressure At Idle: 10 PSI @ 700RPM
Oil Pressure: 35-45 PSI
Intake Valve Lash: .014" COLD
Exhaust Valve Lash: .027" COLD (.686 MM)



Shipping Information

  • Item Requires Shipping
  • 2.1 lbs.
  • W1.5000” x H1.5000” x L7.0000”

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