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Description
COMP Cams Valve Spring Kit 0.585in Lift Beehive 01-05 GM 6.6L Duramax Diesel (LB7/LLY) 26125ACS-KITCOMP Cams Valve Springs, Retainers 26125ACS KIT The . 585 Lift COMP Cams Beehive Valve Spring Kits for GM 6. 6L Duramax Diesel Engines include everything needed to upgrade from stock springs: Beehive Valve Springs, steel retainers, spring seats and valve seals. Beehive Valve Springs feature a reduced diameter at the top of the spring to allow the use of a smaller and lighter retainer, reducing overall valve train weight. The lighter valve train
COMP Cams Valve Springs, Retainers 26125ACS-KIT The .585 Lift COMP Cams Beehive Valve Spring Kits for GM 6.6L Duramax Diesel Engines include everything needed to upgrade from stock springs: Beehive Valve Springs, steel retainers, spring seats and valve seals. Beehive Valve Springs feature a reduced diameter at the top of the spring to allow the use of a smaller and lighter retainer, reducing overall valve train weight. The lighter valve train combined with the stronger spring allows the engine to rev higher without concerns of valve float while an increased spring rate maintains valve train stability at elevated RPM to allow the use of more aggressive camshafts. The unique ovate Beehive shape not only has higher load but is more dynamically stable than the factory spring, ensuring valve train stability at elevated RPM and boost pressures. .585" Lift Beehive Spring Kit for '01-'05 GM 6.6L Duramax Diesel Able to support .585" valve lift, this Beehive Spring Kit for '01-'05 Duramax Diesels includes springs, retainers, seats and seals for an easy drop-in upgrade. Thanks to a unique Ovate Beehive design, this kit handles higher RPM and boost. COMP Cams Valve Spring Kit 0.585in Lift Beehive 01-05 GM 6.6L Duramax Diesel (LB7/LLY)Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001 - 2005 | Chevrolet | Silverado 2500 HD | LS, LT, Base |
| 2003 - 2005 | Chevrolet | Silverado 2500 HD | WT |
| 2001 - 2005 | Chevrolet | Silverado 3500 | LT, Base, LS |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2002 - 2005 | GMC | Sierra 2500 HD | Base |
| 2001 - 2002 | GMC | Sierra 2500 HD | SL |
| 2001 - 2005 | GMC | Sierra 2500 HD | SLE, SLT |
| 2003 - 2005 | GMC | Sierra 2500 HD | WT |
| 2002 - 2005 | GMC | Sierra 3500 | Base |
| 2001 - 2002 | GMC | Sierra 3500 | SL |
| 2001 - 2005 | GMC | Sierra 3500 | SLE, SLT |
| 2004 - 2005 | GMC | Sierra 3500 | WT |
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4.6 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Good History Book
Format: Kindle
Twenty years that change history and the Americas. Even though the civil war ended slavery at a humongous cost, it it failed to bring social justice a d civil rights to the population of the country. It was not until 1920 that women were granted voting rights. And some problems and divisions persist nowdays.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2024
★★★★★ 5
interesting and fresh perspective on the American civil war
Format: Kindle
Fresh perspective on the well known American Civil War. I appreciate Dr Taylor’s emphasis on the preservation of slavery over the states’ rights argument for why the American Civil War was fought.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2024
★★★★★ 5
Good oil
Size: 5 Quarts
I have used Castrol GTX/edge for 40 years, works well, never wanted to change, good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 5
Excellent engine oil
Size: 5 Quarts, Size: 5 Quarts
This is the best oil that I ever used.I have used it in my Toyota Noah 2006-2007 model…The engine is as quiet as new…wanted to see how it would perform.It has clocked 3,500km.This is good and have recommended to my friends and family
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Top-tier engine protection that runs quiet and smooth
Size: 5 Quarts
I’ve used Castrol EDGE in a couple of our vehicles and always come back to it for consistent performance. It extends the time between oil changes and holds up well under both daily driving and highway mileage. We don't "extend the time" though. It's changed, on the dot, every time. The consistency and quality of the oil's condition at change, though, is easily able to be seen that it would go for much longer.
Engine runs quieter, and I’ve noticed better fuel efficiency over time compared to conventional oil. Whether that's how attentively I drive and watch the mileage meter on the dash or the oil - is up for debate ;)
It doesn’t burn off as quickly either, which is great if you’re keeping an eye on long-term engine health.
The bottle design pours cleanly with a smart spout, which saves unnecessary messes in the garage.
Pros:
Strong wear protection and long-lasting
Improves engine quietness
Easy-pour design
Tip:
Use it with a high-quality oil filter for maximum benefit don’t skimp on either part and you'll be golden.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 26, 2025
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