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Description
Hamilton Cams 12 Valve Cam Package 178/208 | 188/220 89-98 Dodge 5.9L CumminsWake up your 1989 1998 Dodge 5. 9L Cummins with the Hamilton Cams 12 Valve Cam Package, available in two options: the 178 208 camshaft package or the 188 220 camshaft package. Whether you're after efficiency, improved power, or all around performance, Hamilton Cams delivers solutions to meet your needs. Both packages include: heavy duty pushrods, 165 lb. valve springs, and a set of lifters tappets. NOTE: DOES NOT COME WITH RETAINERS AND LOCKS. 178 208
Wake up your 1989-1998 Dodge 5.9L Cummins with the Hamilton Cams 12 Valve Cam Package, available in two options: the 178/208 camshaft package or the 188/220 camshaft package. Whether you're after efficiency, improved power, or all-around performance, Hamilton Cams delivers solutions to meet your needs. Both packages include: heavy duty pushrods, 165 lb. valve springs, and a set of lifters/tappets. NOTE: DOES NOT COME WITH RETAINERS AND LOCKS.
178/208 CAMSHAFT PACKAGE:
Designed for optimal efficiency and throttle response, this package is perfect for those seeking improved low-RPM performance and quicker spool up. It’s ideal for daily drivers looking for maximum efficiency and is great at high altitudes.
- RPM Range: Idle-4000
- Reduces EGTs by 200-300 degrees
- Increased low-end power and torque
188/220 CAMSHAFT PACKAGE:
For trucks pushing performance boundaries, the 188/220 Camshaft Package offers enhanced power across the RPM range, making it ideal for stock-class pulling, drag racing, or high-performance builds.
- Designed for larger single or compound turbos
- Weekend warrior, drag strip, and pulling applications
- All-around performance grind
INSTALL NOTE:
- Both cam options are considered “drop-in,” requiring no more than .020” piston protrusion and at least .055” valve face depth with a standard head gasket. If these clearances aren't met, oversized head gaskets or valve reliefs may be required.
- Apply a liberal amount of high-quality assembly lube to cam lobes and journals.
- Prime the oil pump and oil filter before starting.
- Verify oil pressure before engine start-up.
- Run the engine at 1200-1500 RPM for 5 minutes, then shut it down.
- Adjust valve lash after each torque sequence to account for gasket compression.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Finally… a dog chew that doesn’t become a homemade prison shank
Size: Medium
My dog has a real talent: turning every “tough chew” into a sharp, weaponized shard that could star in an episode of Locked Up: Canine Edition. But THIS chew? Absolute game changer.
For the first time ever, I can relax—no splinters, no pointy edges, no fear he’s secretly crafting a shiv under the couch. Just happy, safe chewing that actually lasts longer than five minutes.
It’s durable, it’s safe, it keeps him busy, and I no longer feel like I’m living with a furry little inmate planning an escape.
Highly recommend if your dog chews like he’s got nothing but time.
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Reviewed in the United States on January 29, 2026
★★★★★ 4
Would buy again
Size: Small
Would have given 5 stars, but my dog was able to chew this down pretty quickly, so not the most durable. I do like that this is made with better material than other dog chews, so I would buy again.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Chew incessant dogs
Color: 1PC-Beef-Red
Very tough, My Dashound is a Tasmanian Devil & young this has really slowed his roll, and still enjoying the chewing & licking with peanut butter. Great item!
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Durable!
Color: 1PC-Beef-Red
Alright, here's a product review for those Tough Dog Toys:
Finally, a Toy That Survives My Monster! - Tough Dog Toys Review
As the owner of a determined (and I mean determined) large breed chewer, finding toys that last longer than five minutes has been a constant and often frustrating quest. I've gone through countless plush toys ripped to shreds, rubber toys with chunks missing, and even some "indestructible" toys that met their demise far too quickly. That's why I was both hopeful and skeptical when I came across the Tough Dog Toys, designed specifically for aggressive chewers and large breeds.
Let me tell you, these bone-shaped nylon toys are living up to their name. My power-chewing Labrador has been going at this thing for days now, and I'm genuinely impressed. Where other toys have succumbed to his relentless gnawing, the Tough Dog Toy has held its own. There are some minor teeth marks, as expected, but absolutely no significant damage, no pieces torn off, and no signs of imminent destruction. "Almost indestructible" might actually be an understatement!
The design is simple but effective. The solid nylon construction feels incredibly durable, and the bone shape is easy for my dog to grip and maneuver. It's also a good size for a large breed – substantial enough that he can really get a good chew going without it disappearing in his mouth.
What I appreciate most is the peace of mind this toy provides. I no longer have to constantly supervise playtime, fearing that he'll ingest pieces of a destroyed toy. This feels like a safe and long-lasting option for even the most enthusiastic chewers.
Pros:
* Truly durable – stands up to aggressive chewing from a large breed.
* Solid nylon construction feels virtually indestructible.
* Safe design with no small parts to break off.
* Good size and shape for large dogs to grip and enjoy.
* Provides long-lasting entertainment.
Cons:
* May show some teeth marks over time (though this hasn't compromised its integrity).
* It's a fairly hard material, so dogs who prefer softer toys might not be as interested.
Overall:
If you're at your wit's end trying to find a toy that can withstand your aggressive chewing large breed dog, I highly recommend giving the Tough Dog Toys a try. This bone toy has proven to be the most durable option we've encountered, offering excellent value for money and, most importantly, a safe and engaging chewing experience for your furry friend. Five out of five paws!
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Reviewed in the United States on April 23, 2025
★★★★★ 5
it was a bit too hard/small for my Great Pyrenees, so it didn’t work out for my dog specifically
Color: 1PC-Beef-Red
is good quality and feels very durable and well made. The material is strong and holds up well against chewing, especially for aggressive chewers. It’s also a nice design and seems safe for dogs to use.
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Reviewed in the United States on May 3, 2026