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Description
Muscle Series Valve Covers for small block Chevy engines-Black Finish - 241-135Overview: Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970's era GM factory L82 LT1 Z28 equipped engines. These valve covers are a continuation of Holley's Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley
Overview:
Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970's era GM factory L82/LT1/Z28 equipped engines. These valve covers are a continuation of Holley's Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist-in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley emblem (also included) or any round emblem of your choice.
Features:
- Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
- Die-Cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
- Standard height valve cover with pre-installed internal oil baffles
- Factory style twist-in oil fill cap, round Holley emblem, and square oil fill and PCV grommets included
- Available in four finishes to best suit your custom build: natural, polished, gloss black, factory orange
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1969 - 1986 | Chevrolet | K10 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | K20 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | C20 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | C10 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | Caprice | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | Corvette | 350/5.7L V8 | |
| 1969 - 1985 | Chevrolet | Impala | 350/5.7L V8 | |
| 1970 - 1986 | GMC | Jimmy | 350/5.7L V8 | |
| 1967 - 1981 | Chevrolet | Camaro | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | K10 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | K20 | 350/5.7L V8 | |
| 1968 - 1979 | Chevrolet | El Camino | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | G10 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | G20 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | G30 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | K5 Blazer | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | C10 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | C20 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | C30 | 350/5.7L V8 | |
| 1957 - 1967 | Pontiac | Laurentian | 283/4.6L V8 | |
| 1957 - 1967 | Chevrolet | Bel Air | 283/4.6L V8 | |
| 1976 - 1986 | Chevrolet | Monte Carlo | 305/5L V8 | |
| 1976 - 1986 | Chevrolet | El Camino | 305/5L V8 | |
| 1976 - 1986 | Chevrolet | Camaro | 305/5L V8 | |
| 1969 - 1979 | Chevrolet | Nova | 350/5.7L V8 | |
| 1958 - 1967 | Chevrolet | Impala | 283/4.6L V8 | |
| 1958 - 1967 | Pontiac | Strato-Chief | 283/4.6L V8 | |
| 1958 - 1967 | Chevrolet | Biscayne | 283/4.6L V8 | |
| 1977 - 1986 | Chevrolet | K10 | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K10 Suburban | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K20 Suburban | 305/5L V8 | |
| 1977 - 1986 | Pontiac | Firebird | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | G10 | 305/5L V8 | |
| 1977 - 1986 | Pontiac | Parisienne | 305/5L V8 | |
| 1977 - 1986 | Buick | Regal | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K5 Blazer | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | C10 | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | C10 Suburban | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | C20 | 305/5L V8 | |
| 1977 - 1986 | GMC | Jimmy | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | C20 Suburban | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | Caprice | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K30 | 350/5.7L V8 | |
| 1959 - 1967 | Pontiac | Parisienne | 283/4.6L V8 | |
| 1959 - 1967 | Chevrolet | El Camino | 283/4.6L V8 | |
| 1977 - 1985 | Chevrolet | K20 | 305/5L V8 | |
| 1978 - 1986 | Oldsmobile | Cutlass | 305/5L V8 | |
| 1978 - 1986 | Oldsmobile | Cutlass Supreme | 305/5L V8 | |
| 1978 - 1986 | Pontiac | Grand Prix | 305/5L V8 | |
| 1977 - 1985 | Chevrolet | Impala | 305/5L V8 | |
| 1978 - 1986 | GMC | Caballero | 305/5L V8 | |
| 1973 - 1981 | Chevrolet | Malibu | 350/5.7L V8 | |
| 1960 - 1967 | Chevrolet | C30 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | C10 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | K10 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | C20 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | K20 Pickup | 283/4.6L V8 | |
| 1976 - 1983 | Chevrolet | Malibu | 305/5L V8 | |
| 1979 - 1986 | GMC | C1500 | 305/5L V8 | |
| 1979 - 1986 | GMC | C1500 Suburban | 305/5L V8 | |
| 1976 - 1983 | Pontiac | Grand LeMans | 305/5L V8 | |
| 1978 - 1985 | Chevrolet | G30 | 305/5L V8 | |
| 1979 - 1986 | GMC | G1500 | 305/5L V8 | |
| 1962 - 1969 | Chevrolet | Biscayne | 327/5.3L V8 | |
| 1962 - 1969 | Chevrolet | Impala | 327/5.3L V8 | |
| 1962 - 1969 | Chevrolet | Bel Air | 327/5.3L V8 | |
| 1962 - 1969 | Pontiac | Parisienne | 327/5.3L V8 | |
| 1962 - 1969 | Pontiac | Strato-Chief | 327/5.3L V8 | |
| 1962 - 1969 | Pontiac | Laurentian | 327/5.3L V8 | |
| 1970 - 1977 | Chevrolet | Monte Carlo | 350/5.7L V8 | |
| 1979 - 1986 | GMC | C1500 | 350/5.7L V8 | |
| 1979 - 1986 | GMC | C1500 Suburban | 350/5.7L V8 | |
| 1979 - 1986 | GMC | C2500 | 350/5.7L V8 | |
| 1979 - 1986 |
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 9 reviews
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Product Reviews
★★★★★ 1
Extremely diappointing
Style: 15" (2 x 2Ah)
I purchased a Greenworks Impact Wrench for my son. I was so so impressed with it that I purchased one for myself & decided to try their 2x24V 15" Cordless String Trimmer. Unfortunately just because a company makes one excellent tool doesn't mean that all their tools are good. The first problem I had with the trimmer was that it didn't come with the batteries or charger in the ad. It was supposed to have 4.0Ah batteries but came with 2.0Ah. In addition, more often than not, the manual didn't agree with actual parts & features. The trimmer requires two 24V batteries to operate. It can't be used with one battery even though it has a "low power" setting. On full power the trimmer had adequate power for most weeds but is no where near as powerful as a gas trimmer. The batteries only lasted about 20 minutes (this trimmer does not have a brushless motor). The 2 line feed head is not designed for easy reloading. In fact, it is the worst design I've ever owned. I've decided to return it & try one of their 2x24V brushless motor trimmers which should provide more power & has 4.0Ah batteries but costs significantly more.
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Reviewed in the United States on June 25, 2022
★★★★★ 3
CUSTOMER SERVICE IS TRASH - edited
Style: 15" (2 x 2Ah)
I bought this product and it arrived with one battery that doesn't charge out of the two. Without 2 batteries, it won't work at all. Attempted to contact Greenworks with the number Amazon provided. They were closed on the weekends. Called Monday and the message stated that customer support closed early. Attempted using the Chat option for help. It states the model number STE304, doesn't exist, so I couldn't proceed. Called on Tuesday. I have been on hold for over an hour and still nothing. Will update.
After about an hour and a half on hold (yes, the offer the option of leaving a call back number, which I didn't use as I had to work from home to access customer service when they were open. Also, they needed me to try out stuff with the batteries and give them serial numbers, etc.) The lady I spoke to spoke English and appeared to be US based. Eventually, after doing the "did you restart it" version of troubleshooting, it was indeed determined my battery didn't work and they offered to ship me a new one at no cost. I then had to dispose of my non-working battery in the proper manner, and our yearly toxic garbage pick up coincided with this, thankfully. It took time out of my work schedule to get this resolved, but the lady I spoke to was great and I did get my battery about a week or so later, which I did appreciate. Customer service needs better access esp since you have to have the physical batteries and charger to get this resolved, which you may not be able to do while working. Maybe they can't find people to work as that seems to be an issue everywhere. The weed eater works fine. Updated from one star to three based on resolving issues and a dead battery upon arrival, rather than the actual equipment working.
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Reviewed in the United States on May 7, 2024
★★★★★ 5
Recommend
Style: 2 x 2.0Ah
Works great BUT if you make this purchase go ahead and order handle extension because if you don't it will screw your low back up big time. Like I said works great cut great but I haven't tested the run time yet.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Edged entire corner lot with a sidewalk on one charge of the batteries.
Style: 2 x 2.0Ah
Excellent. A bit heavier than my echo gas weed trimmer for reference. Fair balance but it is a bit of a workout. The good thing is I can edge a 10k sq ft corner lot in about 1/3 the time. On the corner, I have both sides of the sidewalk plus the curb side to do. I've owned gas edgers before also. This comes in comparable to the price I paid for one of those 20 years ago so I would also say a good if not very good value for the buck. It was not an initial edging but 1st maintenance for the year and rather overgrown. Didn't even use one full charge on the edger.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Amazing!!! Works great
Size: 9 inches
Works really well. Cit through my Saint Augustine grass like a breeze and it is super thick. Very happy with purchase. Battery has good life, charged it for a full 24hrs before use and it last a long time. They send 2 blades and the battery with charger which is a huge plus because everything else I looked at you had to purchase those separately and it was just as much as the edger. This is a great deal and worth the money. Highly recommend 👌
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Reviewed in the United States on April 18, 2026