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Description
Muscle Series Valve Covers for Small Block Chevy Engines Polished Finish 241-137Overview: 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 | C10 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | K10 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | K20 Suburban | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | Caprice | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | Corvette | 350/5.7L V8 | |
| 1969 - 1986 | Chevrolet | C20 Suburban | 350/5.7L V8 | |
| 1969 - 1985 | Chevrolet | Impala | 350/5.7L V8 | |
| 1967 - 1981 | Chevrolet | Camaro | 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 | |
| 1968 - 1979 | Chevrolet | El Camino | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | K10 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | K20 | 350/5.7L V8 | |
| 1975 - 1986 | Chevrolet | C30 | 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 | |
| 1957 - 1967 | Chevrolet | Bel Air | 283/4.6L V8 | |
| 1976 - 1986 | Chevrolet | Camaro | 305/5L V8 | |
| 1976 - 1986 | Chevrolet | Monte Carlo | 305/5L V8 | |
| 1976 - 1986 | Chevrolet | El Camino | 305/5L V8 | |
| 1969 - 1979 | Chevrolet | Nova | 350/5.7L V8 | |
| 1958 - 1967 | Chevrolet | Biscayne | 283/4.6L V8 | |
| 1958 - 1967 | Chevrolet | Impala | 283/4.6L 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 | K10 | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K10 Suburban | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K20 Suburban | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | Caprice | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | C20 | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | C20 Suburban | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | G10 | 305/5L V8 | |
| 1977 - 1986 | Chevrolet | K30 | 350/5.7L V8 | |
| 1959 - 1967 | Chevrolet | El Camino | 283/4.6L V8 | |
| 1977 - 1985 | Chevrolet | Impala | 305/5L V8 | |
| 1977 - 1985 | Chevrolet | K20 | 305/5L V8 | |
| 1973 - 1981 | Chevrolet | Malibu | 350/5.7L V8 | |
| 1960 - 1967 | Chevrolet | C10 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | C20 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | C30 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | K10 Pickup | 283/4.6L V8 | |
| 1960 - 1967 | Chevrolet | K20 Pickup | 283/4.6L V8 | |
| 1976 - 1983 | Chevrolet | Malibu | 305/5L V8 | |
| 1978 - 1985 | Chevrolet | G30 | 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 | |
| 1970 - 1977 | Chevrolet | Monte Carlo | 350/5.7L V8 | |
| 1960 - 1966 | Chevrolet | Suburban | 283/4.6L V8 | |
| 1980 - 1986 | Chevrolet | G20 | 305/5L V8 | |
| 1962 - 1968 | Chevrolet | Corvette | 327/5.3L V8 | |
| 1969 - 1975 | Chevrolet | Bel Air | 350/5.7L V8 | |
| 1970 - 1976 | Chevrolet | Monte Carlo | 400/6.6L V8 | |
| 1970 - 1976 | Chevrolet | El Camino | 400/6.6L V8 | |
| 1970 - 1976 | Chevrolet | Impala | 400/6.6L V8 | |
| 1970 - 1976 | Chevrolet | Caprice | 400/6.6L V8 | |
| 1968 - 1973 | Chevrolet | C10 Pickup | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | El Camino | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | G10 Van | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | G20 Van | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | Impala | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | Caprice | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | Chevelle | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | K10 Pickup | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | K10 Suburban | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | K20 Pickup | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | C10 Suburban | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | K20 Suburban | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | K30 Pickup | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | C20 Pickup | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | C20 Suburban | 307/5L V8 | |
| 1968 - 1973 | Chevrolet | C30 Pickup | 307/5L V8 | |
| 1964 - 1969 | Chevrolet | El Camino | 327/5.3L V8 | |
| 1964 - 1969 | Chevrolet | Impala | 327/5.4L V8 | |
| 1969 - 1974 | Chevrolet | Blazer | 350/5.7L V8 | |
| 1969 - 1974 | Chevrolet | C10 Pickup | 350/5.7L V8 | |
| 1968 - 1973 | Chevrolet | Chevelle | 350/5.7L V8 | |
| 1969 - 1974 | Chevrolet | K10 Pickup | 350/5.7L V8 | |
| 1969 - 1974 | Chevrolet | K20 Pickup | 350/5.7L V8 | |
| 1969 - 1974 | Chevrolet | K30 Pickup | 350/5.7L V8 | |
| 1969 - 1974 | Chevrolet | C20 Pickup | 350/5.7L V8 | |
| 1969 - 1974 | Chevrolet | C30 Pickup | 350/5.7L V8 | |
| 1970 - 1975 | Chevrolet | Bel Air | 400/6.6L V8 | |
| 1975 - 1980 | Chevrolet | K10 | 400/6.6L V8 | |
| 1975 - 1980 | Chevrolet | K20 | 400/6.6L V8 | |
| 1975 - 1980 | Chevrolet | K20 Suburban | 400/6.6L V8 | |
| 1975 - 1980 | Chevrolet | G20 | 400/6.6L V8 | |
| 1975 - 1980 | Chevrolet | G30 | 400/6.6L V8 | |
| 1957 - 1961 | Chevrolet | Nomad | 283/4.6L V8 | |
| 1963 - 1967 | Chevrolet | Chevy II | 283/4.6L V8 | |
| 1957 - 1961 | Chevrolet | Corvette | 283/4.6L V8 | |
| 1969 - 1973 | Chevrolet | Blazer | 307/5L V8 | |
| 1969 - 1973 | Chevrolet | Nova | 307/5L V8 | |
| 1969 - 1973 | Chevrolet | Camaro | 307/5L V8 | |
| 1964 - 1968 | Chevrolet | Chevelle | 327/5.3L V8 | |
| 1970 - 1974 | Chevrolet | G10 Van | 350/5.7L V8 | |
| 1970 - 1974 | Chevrolet | G20 Van | 350/5.7L V8 | |
| 1970 - 1974 | Chevrolet | G30 Van | 350/5.7L V8 | |
| 1975 - 1979 | Chevrolet | K5 Blazer | 400/6.6L V8 | |
| 1976 - 1980 | Chevrolet | C10 | 400/6.6L V8 | |
| 1976 - 1980 | Chevrolet | C20 | 400/6.6L V8 | |
| 1975 - 1979 | Chevrolet | K10 Suburban | 400/6.6L V8 | |
| 1976 - 1980 | Chevrolet | C20 Suburban | 400/6.6L V8 | |
| 1979 - 1982 | Chevrolet | Malibu | 267/4.4L V8 | |
| 1979 - 1982 | Chevrolet | Monte Carlo | 267/4.4L V8 | |
| 1979 - 1982 | Chevrolet | El Camino | 267/4.4L V8 | |
| 1957 - 1960 | Chevrolet | Truck | 283/4.6L V8 | |
| 1964 - 1967 | Chevrolet | Chevelle | 283/4.6L V8 | |
| 1958 - 1961 | Chevrolet | Brookwood | 283/4.6L V8 | |
| 1964 - 1967 | Chevrolet | Malibu | 283/4.6L V8 | |
| 1976 - 1979 | Chevrolet | Monza | 305/5L V8 | |
| 1976 - 1979 | Chevrolet | Nova | 305/5L V8 | |
| 1969 - 1972 | Chevrolet | Brookwood | 307/5L V8 | |
| 1969 - 1972 | Chevrolet | Kingswood | 307/5L V8 | |
| 1969 - 1972 | Chevrolet | Townsman | 307/5L V8 | |
| 1966 - 1969 | Chevrolet | C10 Pickup | 327/5.3L V8 | |
| 1965 - 1968 | Chevrolet | Chevy II | 327/5.3L V8 | |
| 1966 - 1969 | Chevrolet | Caprice | 327/5.3L V8 | |
| 1966 - 1969 | Chevrolet | K10 Pickup | 327/5.3L V8 | |
| 1966 - 1969 | Chevrolet | K20 Pickup | 327/5.3L V8 | |
| 1964 - 1967 | Chevrolet | Malibu | 327/5.3L V8 | |
| 1966 - 1969 | Chevrolet | C20 Pickup | 327/5.3L V8 | |
| 1966 - 1969 | Chevrolet | C30 Pickup | 327/5.3L V8 | |
| 1965 - 1968 | Chevrolet | Chevelle | 327/5.4L V8 | |
| 1965 - 1968 | Chevrolet | Chevy II | 327/5.4L V8 | |
| 1969 - 1972 | Chevrolet | Biscayne | 350/5.7L V8 | |
| 1969 - 1972 | Chevrolet | Brookwood | 350/5.7L V8 | |
| 1983 - 1986 | Chevrolet | P60 | 350/5.7L V8 | |
| 1973 - 1976 | Chevrolet | Laguna | 350/5.7L V8 | |
| 1969 - 1972 | Chevrolet | Kingswood | 350/5.7L V8 | |
| 1969 - 1972 | Chevrolet | Townsman | 350/5.7L V8 | |
| 1977 - 1980 | Chevrolet | K30 | 400/6.6L V8 | |
| 1973 - 1976 | Chevrolet | Laguna | 400/6.6L V8 | |
| 1973 - 1976 | Chevrolet | Malibu | 400/6.6L V8 | |
| 1970 - 1973 | Chevrolet | Chevelle | 400/6.6L V8 | |
| 1955 - 1957 | Chevrolet | One-Fifty Series | 265/4.3L V8 | |
| 1955 - 1957 | Chevrolet | Bel Air | 265/4.3L V8 | |
| 1955 - 1957 | Chevrolet | Two-Ten Series | 265/4.3L V8 | |
| 1955 - 1957 | Chevrolet | Nomad | 265/4.3L V8 | |
| 1955 - 1957 | Chevrolet | Sedan Delivery | 265/4.3L V8 | |
| 1955 - 1957 | Chevrolet | Truck | 265/4.3L V8 | |
| 1980 - 1982 | Chevrolet | Caprice | 267/4.4L V8 | |
| 1980 - 1982 | Chevrolet | Impala | 267/4.4L V8 | |
| 1959 - 1961 | Chevrolet | Kingswood | 283/4.6L V8 | |
| 1959 - 1961 | Chevrolet | Parkwood | 283/4.6L V8 | |
| 1967 - 1969 | Chevrolet | Camaro | 302/4.9L V8 | |
| 1956 - 1958 | Chevrolet | Sedan Delivery | 322/5.3L V8 | |
| 1956 - 1958 | Chevrolet | Truck | 322/5.3L V8 | |
| 1967 - 1969 | Chevrolet | C10 Suburban | 327/5.3L V8 | |
| 1967 - 1969 | Chevrolet | C20 Suburban | 327/5.3L V8 | |
| 1967 - 1969 | Chevrolet | K10 Suburban | 327/5.3L V8 | |
| 1967 - 1969 | Chevrolet | K20 Suburban | 327/5.3L V8 | |
| 1967 - 1969 | Chevrolet | Camaro | 327/5.3L V8 | |
| 1972 - 1974 | Chevrolet | P30 Van | 350/5.7L V8 | |
| 1970 - 1972 | Chevrolet | Biscayne | 400/6.6L V8 | |
| 1970 - 1972 | Chevrolet | Brookwood | 400/6.6L V8 | |
| 1970 - 1972 | Chevrolet | Kingswood | 400/6.6L V8 | |
| 1970 - 1972 | Chevrolet | Townsman | 400/6.6L V8 | |
| 1976 - 1978 | Chevrolet | C30 | 400/6.6L V8 | |
| 1975 - 1976 | Chevrolet | Monza | 262/4.3L V8 | |
| 1980 - 1981 | Chevrolet | Camaro | 267/4.4L V8 | |
| 1957 - 1958 | Chevrolet | Sedan Delivery | 283/4.6L V8 | |
| 1966 - 1967 | Chevrolet | Caprice | 283/4.6L V8 | |
| 1957 - 1958 | Chevrolet | Del Ray | 283/4.6L V8 | |
| 1969 - 1970 | Chevrolet | Estate | 307/5L V8 | |
| 1955 - 1956 | Chevrolet | Sedan Delivery | 324/5.3L V8 | |
| 1955 - 1956 | Chevrolet | Truck | 324/5.3L V8 | |
| 1968 - 1969 | Chevrolet | K30 Pickup | 327/5.3L V8 | |
| 1968 - 1969 | Chevrolet | Biscayne | 327/5.4L V8 | |
| 1968 - 1969 | Chevrolet | Caprice | 327/5.4L V8 | |
| 1968 - 1969 | Chevrolet | Bel Air | 327/5.4L V8 | |
| 1968 - 1969 | Chevrolet | Camaro | 327/5.4L V8 | |
| 1969 - 1970 | Chevrolet | Estate | 350/5.7L V8 | |
| 1956 | Chevrolet | Corvette | ||
| 1975 | Chevrolet | Nova | 262/4.3L V8 | |
| 1955 | Chevrolet | Corvette | 265/4.3L V8 | |
| 1957 | Chevrolet | Del Ray | 265/4.3L V8 | |
| 1981 | Chevrolet | Bel Air | 267/4.4L V8 | |
| 1957 | Chevrolet | One-Fifty Series | 283/4.6L V8 | |
| 1967 | Chevrolet | G20 Van | 283/4.6L V8 | |
| 1958 | Chevrolet | Yeoman | 283/4.6L V8 | |
| 1959 | Chevrolet | 3B | 283/4.6L V8 | |
| 1959 | Chevrolet | 3C | 283/4.6L V8 | |
| 1959 | Chevrolet | 3D | 283/4.6L V8 | |
| 1959 | Chevrolet | 3E | 283/4.6L V8 | |
| 1959 | Chevrolet | 3F | 283/4.6L V8 | |
| 1959 | Chevrolet | 3G | 283/4.6L V8 | |
| 1967 | Chevrolet | C10 Suburban | 283/4.6L V8 | |
| 1967 | Chevrolet | C20 Suburban | 283/4.6L V8 | |
| 1967 | Chevrolet | K10 Suburban | 283/4.6L V8 | |
| 1967 | Chevrolet | K20 Suburban | 283/4.6L V8 | |
| 1957 | Chevrolet | Two-Ten Series | 283/4.6L V8 | |
| 1967 | Chevrolet | K20 Panel | 283/4.6L V8 | |
| 1976 | Chevrolet | Laguna | 305/5L V8 | |
| 1981 | Chevrolet | Bel Air | 305/5L V8 | |
| 1978 | Chevrolet | C30 | 305/5L V8 | |
| 1980 | Chevrolet | Corvette | 305/5L V8 | |
| 1968 | Chevrolet | Biscayne | 307/5L V8 | |
| 1968 | Chevrolet | Chevy II | 307/5L V8 | |
| 1968 | Chevrolet | Bel Air | 307/5L V8 | |
| 1973 | Chevrolet | Malibu | 307/5L V8 | |
| 1973 | Chevrolet | Laguna | 307/5L V8 | |
| 1959 | Chevrolet | Bel Air | 322/5.3L V8 | |
| 1969 | Chevrolet | Brookwood | 327/5.3L V8 | |
| 1969 | Chevrolet | Estate | 327/5.3L V8 | |
| 1969 | Chevrolet | Kingswood | 327/5.3L V8 | |
| 1966 | Chevrolet | Suburban | 327/5.3L V8 | |
| 1969 | Chevrolet | Townsman | 327/5.3L V8 | |
| 1968 | Chevrolet | C10 Pickup | 327/5.4L V8 | |
| 1968 | Chevrolet | El Camino | 327/5.4L V8 | |
| 1968 | Chevrolet | K10 Pickup | 327/5.4L V8 | |
| 1968 | Chevrolet | K10 Suburban | 327/5.4L V8 | |
| 1968 | Chevrolet | K20 Pickup | 327/5.4L V8 | |
| 1968 | Chevrolet | C10 Suburban | 327/5.4L V8 | |
| 1968 | Chevrolet | K20 Suburban | 327/5.4L V8 | |
| 1968 | Chevrolet | K30 Pickup | 327/5.4L V8 | |
| 1967 | Chevrolet | K20 Panel | 327/5.4L V8 | |
| 1968 | Chevrolet | Corvette | 327/5.4L V8 | |
| 1968 | Chevrolet | C20 Pickup | 327/5.4L V8 | |
| 1968 | Chevrolet | C30 Pickup | 327/5.4L V8 | |
| 1968 | Chevrolet | Chevy II | 350/5.7L V8 | |
| 1970 | Chevrolet | Estate | 400/6.6L V8 | |
| 1976 | Chevrolet | G10 | 400/6.6L V8 |
Specs:
| Application | Small Block Chevy |
|---|---|
| Baffle Included | Yes |
| Bolt Pattern | Perimeter |
| Brand | Holley |
| Breather(s) Included | No |
| Emission Code | 3 |
| Finish | Polished |
| Gaskets Included | No |
| Gromment(s) Included | Yes - OEM style square with 3/4" PCV and breather tube hole |
| Internal Dimensions | 2.45" |
| Logo | Holley Badge |
| Material | Cast Aluminum |
| Mounting Hardware Included | No |
| Product Type | Valve Covers |
| Warranty | Limited 90 Day |
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
4.2 ★★★★★
Based on 329 reviews
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Product Reviews
★★★★★ 5
Good idea and neat!
Color: A-silver
Its good and no problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
★★★★★ 4
Great sink caddy
Color: A-silver, Color: A-silver
This sink caddy is great, has slots for the necessary things, sticks perfect... Has 2 different options and I chose the one with the suction cups. Almost a week, still holding perfectly. I only have 1 thing I would change, that is the end of it that I just realized from the picture, holds the sink stopper. I have a garbage disposal so don't need that and it makes it a little too long. Other than that, perfect and it still works well and sticks on perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2025
★★★★★ 5
WORKS WELL!
Color: A-silver, Color: A-silver
Perfect sink caddy for our brushes! Suction cups work well & it was a good enough value! Gotta love Amazon! 🤣
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
★★★★★ 5
good price and nice design for easy use
Color: A-silver
works well and perfect for our bamboo cleaning brushes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 3
Leans forward with suction cups
Color: A-silver, Color: A-silver
I really like all of the spaces and the metal is good quality. However it leans forward when using the suction cups. I haven’t had that issue with other holders.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026