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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
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Description
Holley GM Muscle Series Center Bolt Valve Covers Black Finish # HO241-292Holley GM Muscle Series Center Bolt Valve Covers Black Finish # HO241 292 Valve Covers, Muscle Series Centerbolt, Chevrolet Logo, Cast Aluminum, Black Satin Painted, Baffled, 3. 22 in. Tall, Chevy, 5. 0L, 5. 7L, Pair Valve Cover Mounting Style: Centerbolt Valve Cover Height: Stock Valve Cover Top Style: Chevrolet logo Valve Cover Material: Cast aluminum Color: Black Coating Type: Powdercoated Finish: Satin Baffled: Yes Breathers Included: No Gaskets
Holley GM Muscle Series Center Bolt Valve Covers Black Finish # HO241-292Valve Covers, Muscle Series Centerbolt, Chevrolet Logo, Cast Aluminum, Black Satin Painted, Baffled, 3.22 in. Tall, Chevy, 5.0L, 5.7L, Pair
Valve Cover Mounting Style:
Centerbolt
Valve Cover Height:
Stock
Valve Cover Top Style:
Chevrolet logo
Valve Cover Material:
Cast aluminum
Color:
Black
Coating Type:
Powdercoated
Finish:
Satin
Baffled:
Yes
Breathers Included:
No
Gaskets Included:
No
Grommets Included:
Yes
Mounting Hardware Included:
Yes
Quantity:
Sold as a pair.
Notes:
Valve covers are 3.22 in. tall. Do not torque valve cover more than 5-6 ft/lbs.
Holley Muscle Series Centerbolt Valve Covers
Holley Muscle Series centerbolt valve covers present a no-frills, modern style with prominent raised GM "Chevrolet and Bowtie" logos. Intended as an alternative to the existing GM ZZ6 accessories, a Holley GM Muscle Series cover is the perfect addition to your engine bay if you're searching for a subtle custom variation from the OEM options. They feature a generous internal height for exceptional valve train clearance, and include pre-installed internal baffling, polished mounting hardware, and oil fill/PCV grommets.Holley Muscle Series centerbolt valve covers feature: Clean, modern styling with high-definition "Chevrolet and Bowtie" logo Specifically designed for GM ZZ6 engines, but will fit all small block Chevy applications with center bolt-style cylinder heads Diecast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks Emissions-compliant valve covers include pre-installed internal oil baffles, as well as an oil fill plug and PCV grommet
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
4.6 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
It’s Mobile One. The Brand Says it All!
Size: 5 Quart (Pack of 2), Style: Full Synthetic, Configuration: 0W-40
I buy Mobil One 0W-40 Full Synthetic European Blend Motor oil for my three older, higher mileage Mercedes SUVs. Considering all the vehicles are running well to this day speaks to the quality of their ongoing maintenance and Mobil One lubricants have always been part of their routine. Mobil One long ago became the favored brand of both European luxury car manufacturers and their customers. I’m no exception. The product comes in a convenient handled bottle that’s easy to pour without drips or spills. It’s built in fluid level gauge provides you with a real time window into the quantity of oil you pour and quantity remaining in its container.
The oil is an excellent lubricant and it’s great for my motor, too.
Price wise, it’s a premium offering from a premium brand. Even so, it’s worth every penny for helping keep my vehicles running as they were engineered.
I have no complaints with Mobile One and I don’t have a reason to change. I’ll keep buying it until something better comes along.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Perfect for MB
Size: 5 Quart (Pack of 2), Style: Full Synthetic, Configuration: 0W-40
Mercedes certified - this oil is very nice, no need to drop loads on oil from MB or the other pricier brands, this stuff works very well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 5
Great Product and price.
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Great product and price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
★★★★★ 5
Works great never had a problem
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
I've been using this mobile one in my 2005 Mercedes kompressor C230 w203 1.8 engine for about 18 years and never had a problem so I will continue to use it. The price was very good compared to other places but I did have to order one extra quart, I don't know why they don't make this mobile one in a six quart jug.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Great for my hot rod!
Size: 5 Quart, Style: Full Synthetic, Configuration: 0W-40
Perfect oil for my hot rod! Add a bottle of zinc and you get great low temp flow as well as good heat protection. As a 0W it flows quickly for good start up protection and the 40W means I get good protection as temps rise. My car has a flat tappet hydraulic cam so I add a bottle of zinc. Has worked great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
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