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#UP226131
LS1/LS6 VALLEY PLATE-RAW
- Blemished
- Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information
- Fits Gen 3 LS engine (LS1/LS6) 10-bolt applications only
$50.35
/each
In Stock
$94.99
Save $44.64
Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information.
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Product Summary
6061 Aluminum, Hardware Included
- Blemished
- Item has cosmetic imperfections such as scuffs, dents, bends, or similar marks. The item functions as originally intended but is discounted due to these blemishes. Please review the photos and description for more information
- Fits Gen 3 LS engine (LS1/LS6) 10-bolt applications only
- CNC machined from 1/4-inch thick 6061-T6 aluminum
- Deletes factory knock sensors for cleaner look when using aftermarket LS swap wiring harness
- Available in raw aluminum or black anodized finishes
- Includes countersunk hex drive flat head fasteners for a smooth look
Key Specs
| MFG. Part # | UP226131 |
| Brand | Speedway Motors |
| Garage Sale Type | Blemished |
| Material Type | 6061 Aluminum |
Need To Know
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855.313.9176Ineligible for Return
Contains items that cannot be returned
Speedway Motors UP226131 Details
Speedway Motors UP226131 Details

This is Garage Sale priced due to cosmetic imperfections. The item functions as originally intended but is discounted due to the blemishes. The photos above will show the imperfections.
NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS
- Gen 3 LS style 10-bolt valley cover without knock sensor provisions
- Dresses up engine valley area when using aftermarket intake manifolds
- 1/4-inch thick 6061 aluminum construction in raw or black anodized finishes
- Compatible with both stock and aftermarket car and truck LS Gen 3 intake manifolds
- Not compatible with Gen 4 LS 11-bolt design or vehicles with DOD/AFM
- Uses stock LS engine cover gasket assembly
- Zinc plated counter sunk hex drive flat head fasteners included
Dress Up Your Gen 3 LS Engine with Our Easy to Install Valley Cover Plate
The stock LS valley cover on your Gen 3 LS engine certainly gets the job done of keeping the dirt out of your engine and covering the LS engine block’s valley area. However, it isn’t the most eye pleasing piece (most production parts aren’t, as they’re designed more for form and function than visuals on the show field). If you’re planning to run any of the popular hi-ram style LS intake manifolds the LS engine cover becomes that much more visible and starts to become a bit of an eyesore when you’re looking to dress your LS engine up.
Additionally, many aftermarket LS wiring solutions for performing an LS swap does away with the factory knock sensors. Adding an aftermarket LS valley cover not only cleans up the area but without the knock sensors everything looks a lot more finished under that focal piece of an aftermarket intake and ties in nicely with aftermarket LS valve covers as well. Replacing the LS’s engine cover is simple hand ratchet work while you’re upgrading your LS intake manifold, LS valve covers, or detailing your LS engine.
Speedway Motors’ LS valley cover is CNC machined from 1/4-inch 6061 aluminum and is designed to fit all 10-bolt Gen 3 LS engines, including the LS1 and LS6 models as well as truck Vortec engines like the popular 4.8, 5.3, and 6.0 LS. Available in raw aluminum or anodized black, you’re bound to match any engine color combination, intake manifold, or LS valve covers. Or grab the raw version and paint or powder coat it to match your custom engine detail work. Our LS valley cover works well with our LS valve covers or LS coil covers for a great dress up option.
While our LS valley cover deletes the knock sensors, it is not compatible with 11-bolt Gen 4 LS engines, nor will it work for displacement on demand (DOD) or active fuel management (AFM). If you’re not sure which generation of LS engine you have then take a minute to read our Gen 3/Gen 4 LS ID guide to familiarize yourself with what you have. You can reuse your stock LS valley cover gasket, however we do recommend a replacement gasket for a leak free installation, as the OE gasket does get hard/brittle with heat and age. The included 5mm counter sunk hex hardware provides a sleek flush look and compliments many aftermarket dress up items that also use hex hardware.
Speedway Motors UP226131 Specifications
Speedway Motors UP226131 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | UP226131 |
| Brand | Speedway Motors |
| Garage Sale Type | Blemished |
| Material Type | 6061 Aluminum |
| GENERAL | |
| Sold in Quantity | Each |
| Gaskets Included | No |
| Hardware Included | Yes |
| Oil Fill Cap Included | No |
| Baffled | No |
| Overall Thickness | .25" |
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