Hamilton Cams 1989-1998 Dodge/Ram 2500/3500 5.9L Cummins 12V Dual Valve Spring Kit
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.
When the 1989–1998 5.9L 12-valve Cummins outgrows a single spring, step up to the Hamilton Cams 12V Dual Valve Spring Kit. Made in the USA with retainers and 10° locks, it delivers the extra control higher RPM, more lift, stiffer pressures and larger valves demand.
Why Choose the Hamilton Cams Dual Valve Spring Kit?
- Enhanced valve control – Eliminates the risk of valve float in high-stress, high-lift applications.
- High lift compatibility – Engineered for up to .700″ lift.
- All-inclusive kit – Retainers and 10° locks included for a secure fit and simpler install.
- Made in the USA – American-made dual valve springs.
- Flexible seal options – Run without valve stem seals, or modify the head for Comp Cams seals.
Kit Includes
- Dual valve springs
- Retainers
- 10-degree (10°) locks
Fitment Notes
- Have your machine shop set the correct installed height.
- Valve stem seals: run these springs without seals, or modify your head to use Comp Cams 519-16 seals with a Howards Cams Cutter (part #92035) and 5/16″ arbor (#92085). The modification usually takes under five minutes with a cordless drill.
Fits These Models
1989–1998 Dodge/Ram 2500/3500 5.9L Cummins 12V
Key Features at a Glance
- Dual spring design – More capacity than a single spring
- Up to .700″ lift – Built for aggressive cams
- 10° locks – Included with retainers
- USA made – American-made springs
SKU: 07-S-002
Questions? We’re Here to Help.
Have questions about upgrades for your 12-valve Cummins? Contact FASS Motorsports and we’ll get you dialed:
Phone: 636-429-7020
Email: info@fassmotorsports.com
This part fits the following vehicles:
| Years | Make & Model |
|---|---|
| 1989–1993 | Dodge D250 |
| 1989–1992 | Dodge D350 |
| 1994–1998 | Dodge Ram 2500 |
| 1994–1998 | Dodge 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.

