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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Wehrli 11-16 Chevrolet 6.6L Duramax LML Billet Upper Valve Cover Set - Raw AluminumWCFab Billet Aluminum Upper Valve Cover sets fit LLY, LBZ, and LMM Duramax and are a great way to clean up your engine's appearance. Integrated o ring seal replaces OEM gaskets and prevents the need for use of silicone sealers. Includes countersunk stainless steel fasteners and black anodized #10 JIC ( 10AN) PCV fittings. Finished in raw aluminum ready for polishing or painting standard. Custom Color Powder Coat finishes available as an optional
WCFab Billet Aluminum Upper Valve Cover sets fit LLY, LBZ, and LMM Duramax and are a great way to clean up your engine's appearance. Integrated o-ring seal replaces OEM gaskets and prevents the need for use of silicone sealers. Includes countersunk stainless steel fasteners and black anodized #10 JIC (-10AN) PCV fittings. Finished in raw aluminum ready for polishing or painting standard. Custom Color Powder Coat finishes available as an optional upgrade and carry additional lead time.We recommend pairing these with our Top Outlet Billet Thermostat Housing and Upper Coolant Pipe kits (or a forward facing thermostat setup) because these valve covers do not include brackets for the side mount routing of the OEM setup.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2016 | Chevrolet | Silverado 2500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 2500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 2500 HD | WT |
| 2015-2016 | Chevrolet | Silverado 3500 HD | High Country |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LT |
| 2011-2016 | Chevrolet | Silverado 3500 HD | LTZ |
| 2011-2016 | Chevrolet | Silverado 3500 HD | WT |
| 2015-2016 | GMC | Sierra 2500 HD | Base |
| 2011-2016 | GMC | Sierra 2500 HD | Denali |
| 2011-2016 | GMC | Sierra 2500 HD | SLE |
| 2011-2016 | GMC | Sierra 2500 HD | SLT |
| 2011-2014 | GMC | Sierra 2500 HD | WT |
| 2015-2016 | GMC | Sierra 3500 HD | Base |
| 2011-2016 | GMC | Sierra 3500 HD | Denali |
| 2011-2016 | GMC | Sierra 3500 HD | SLE |
| 2011-2016 | GMC | Sierra 3500 HD | SLT |
| 2011-2014 | GMC | Sierra 3500 HD | WT |
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
4.3 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Very comfortable
Size: 14, Color: Light Green
I received so many compliments on my son’s outfit for graduation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 26, 2025
★★★★★ 1
no pure white.
no pure white.
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Reviewed in the United States on February 4, 2026
★★★★★ 5
suit
Size: 12, Color: Beige
Very nice suit set. size 12. seems to fit as expected. I love the quality. It does have multi colored thread, as it is not solid.
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Reviewed in the United States on June 21, 2025
★★★★★ 5
Great material, sharp looking suit!
Size: 7, Color: Light Blue
Very nice suit! We got tons of compliments. Please note it does NOT come with an undershirt. We used this for a First Holy Communion, but I wouldn't hesitate to use it in a wedding! The material was the best that I've seen compared to the four other suits I bought on amazon (I was skeptical and crunched for time)...this won! Great value for the money too. My kid felt very sharply dressed, and wants to find another occasion to wear this light blue suit lol
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Would repurchase
Size: 8, Color: Beige
Perfect for a communion. Would absolutely recommend!
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Reviewed in the United States on May 17, 2026
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