Hamilton Cams 1998.5-2018 Dodge/Ram 2500/3500 5.9L/6.7L Cummins 24V High Performance Rocker Arms
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
OEM-style rocker arms for 1998.5–2018 24-valve Cummins engines. Swaged steel tips, DLC-coated trunnions, revised oiling and an updated casting.
OEM-style fit. Upgraded rocker-arm details.
For 1998.5–2018 24-valve Cummins engines, these rocker arms combine an updated casting with swaged steel tips, revised oiling and DLC-coated trunnions. Compare the features below when planning your valvetrain replacement or engine build.
What changes from the factory design?
- Swaged steel tips: Replace the plastic tip retainers used on some factory year models.
- DLC-coated trunnions: A wear-resistant coating on the rocker pivot, designed to reduce friction at that interface.
- Revised oiling: Designed to address lubrication and galling at the rocker assembly.
- Updated casting: An OEM-style replacement design with Hamilton Cams casting improvements.
Check your engine application
The listed application is the 1998.5–2018 24-valve Cummins. For a 1998 truck, confirm that it has the 24-valve engine. For a 2019 or newer engine or a conversion build, confirm the correct rocker assembly before ordering.
Planning a complete valvetrain refresh?
Review your pushrods, springs and valve bridges alongside the rocker arms. Engine modifications can change the setup requirements.
This part fits the following vehicles:
| Years | Make & Model |
|---|---|
| 1998 | Dodge Ram 2500 |
| 1998 | Dodge Ram 3500 |
| 2018 | Ram 2500 |
| 2018 | Ram 3500 |
Fitment is listed by year, make and model. Some applications also depend on cab, bed, drivetrain or engine — if you are not sure, call 636-429-7020 or send us your vehicle details and we will confirm before you order.


