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Description
HOLLEY CHEV GM LS1 LS6 VALLEY COVER FINNED POLISHED # HO241-257HOLLEY CHEV GM LS1 LS6 VALLEY COVER FINNED POLISHED # HO241 257 Engine Valley Cover, LS, Cast Aluminum, Polished, Finned, Chevy, Each Valley Plate Material: Aluminum Valley Plate Finish: Polished Quantity: Sold individually. Notes: Finned cover for LS1 LS6 engines. Not for engines using knock sensors, displacement on demand or active fuel management. Holley LS Valley Covers Holley LS valley covers are the latest accessories offered for the GM LS
HOLLEY CHEV GM LS1 LS6 VALLEY COVER FINNED POLISHED # HO241-257Engine Valley Cover, LS, Cast Aluminum, Polished, Finned, Chevy, Each
Valley Plate Material:
Aluminum
Valley Plate Finish:
Polished
Quantity:
Sold individually.
Notes:
Finned cover for LS1/LS6 engines. Not for engines using knock sensors, displacement on demand or active fuel management.
Holley LS Valley Covers
Holley LS valley covers are the latest accessories offered for the GM LS engine platform. These covers install between the two banks of cylinder heads, depending on your usage of knock sensors, displacement on demand, and active fuel management. They're available in a cast aluminum finned design to match Holley's popular valve covers, as well as a billet aluminum trussed version for a race-inspired look. The valley pan covers are offered in a variety of finishes.
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
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Great Engine and Cabin Air filters
Color: gray
It is an exact match and was like replacement . I am not mechanically inclined and this took less than 5 mins -watched a You Tube video and this product was the exact size and fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 5
Good product
Color: gray
Nice fit. Easy yo install.
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Reviewed in the United States on March 25, 2026
★★★★★ 4
Exact replacements for ‘25 Forester air/cabin filters
Color: gray
Exact replacement set for ‘25 Subaru Forester. Reasonable cost, quality seems OK. Easy install.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Work Great
Color: gray
Works well in my car good quality and the cost is not bad compared to the other brands. Easy to install.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Dealer wanted $200, Changed them in 5 min
Color: gray
Good quality, saved a lot of money over having a dealer or mechanic change them.
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Reviewed in the United States on May 13, 2026