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CFR Performance 1958-86 Chevy Small Block 283-305-327-350-400 Short Polished Aluminum Valve Covers - Smooth HZ-6031-POL

CFR Performance 1958-86 Chevy Small Block 283-305-327-350-400 Short Polished Aluminum Valve Covers - Smooth HZ-6031-POL
CFR Performance 1958-86 Chevy Small Block 283-305-327-350-400 Short Polished Aluminum Valve Covers - Smooth HZ-6031-POL
$266.99 ea
NEWARRIVING SOONEstimated Ship Date 08/25/2026 (If Ordered Today)
Model: 5119649
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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DELIVERY
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Add a touch of shine and performance to your small block engine with these smooth polished aluminum short valve covers, built to fit 1958–1986 283, 305, 327, 350, and 400 small block engines. Manufactured from premium cast aluminum, these covers combine lightweight durability with a show-quality polished finish, ideal for street rods, restorations, or custom builds. These covers feature internal baffles to manage crankcase ventilation while maintaining a clean, logo-free top. Their short OEM-style height allows proper clearance for most stock and mildly modified applications.
Key Features:
  • Compatibility: Fits 1958–1986 small block engines – 283, 305, 327, 350, 400 CID
  • Material: Cast aluminum – lightweight, durable, and corrosion-resistant
  • Finish: Polished – mirror-like shine ideal for high-visibility builds
  • Top Style: Smooth – clean, logo-free design for a modern or custom appearance
  • Height: Short Style (2-9/16") – stock-style height for OEM or mild performance setups
  • Baffled: Yes – helps reduce oil splash and improve crankcase ventilation
  • Valve Cover Hole Style: One 1.25" push-in style breather/oil fill hole per cover
  • Mounting Style: Perimeter bolt pattern – standard SBC configuration
  • Sold as a pair: Includes both driver and passenger side valve covers
Package Includes:
  • 2 x Smooth Polished Aluminum Valve Covers
  • Baffled, one hole per cover
Specifications:
  • Valve Cover Material: Cast Aluminum
  • Valve Cover Finish: Polished
  • Valve Cover Height: Short Style (2-9/16")
  • Valve Cover Mounting Style: Perimeter Bolt
  • Valve Cover Hole Style: 1.25" Push-In
  • Valve Cover Top Style: Smooth
  • Baffled: Yes
  • Breathers, gaskets, grommets, and mounting hardware: Sold separately

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Chevrolet 3100 1959
Chevrolet 3B 1959
Chevrolet 3C 1959
Chevrolet 3D 1959
Chevrolet 3E 1959
Chevrolet 3F 1959
Chevrolet 3G 1959
Chevrolet B60 1980 - 1986
Chevrolet Bel Air 1958 - 1981
Chevrolet Biscayne 1958 - 1972
Chevrolet Blazer 1969 - 1974
Chevrolet Brookwood 1958 - 1972
Chevrolet C10 Pickup 1960 - 1974
Chevrolet C10 Suburban 1967 - 1986
Chevrolet C10 1975 - 1986
Chevrolet C15 1982 - 1985
Chevrolet C20 Pickup 1960 - 1974
Chevrolet C20 Suburban 1967 - 1986
Chevrolet C20 1975 - 1986
Chevrolet C30 Pickup 1960 - 1974
Chevrolet C30 1975 - 1986
Chevrolet C35 1983 - 1986
Chevrolet C40 1960 - 1962
Chevrolet C50 1960 - 1986
Chevrolet C60 1960 - 1986
Chevrolet C70 1979 - 1986
Chevrolet Camaro 1967 - 1986
Chevrolet Caprice 1966 - 1986
Chevrolet Chevelle 1964 - 1973
Chevrolet Chevy II 1963 - 1968
Chevrolet Corvette 1958 - 1986
Chevrolet Del Ray 1958
Chevrolet El Camino 1959 - 1986
Chevrolet Estate 1969 - 1970
Chevrolet G10 Van 1970 - 1974
Chevrolet G10 1975 - 1986
Chevrolet G20 Van 1967 - 1974
Chevrolet G20 1975 - 1986
Chevrolet G30 Van 1970 - 1974
Chevrolet G30 1975 - 1986
Chevrolet Impala 1958 - 1985
Chevrolet K10 Pickup 1960 - 1974
Chevrolet K10 Suburban 1967 - 1986
Chevrolet K10 1975 - 1986
Chevrolet K20 Panel 1967
Chevrolet K20 Pickup 1960 - 1974
Chevrolet K20 Suburban 1967 - 1986
Chevrolet K20 1975 - 1986
Chevrolet K30 Pickup 1968 - 1974
Chevrolet K30 1977 - 1986
Chevrolet K5 Blazer 1975 - 1986
Chevrolet Kingswood 1959 - 1972
Chevrolet Laguna 1973 - 1976
Chevrolet Malibu 1964 - 1983
Chevrolet Monte Carlo 1970 - 1986
Chevrolet Monza 1976 - 1979
Chevrolet Nomad 1958 - 1961
Chevrolet Nova 1969 - 1979
Chevrolet P10 Series 1961 - 1962
Chevrolet P10 Van 1973
Chevrolet P10 1975 - 1979
Chevrolet P20 Series 1961 - 1962
Chevrolet P20 Van 1970 - 1974
Chevrolet P20 1975 - 1986
Chevrolet P30 Series 1961 - 1962
Chevrolet P30 Van 1970 - 1974
Chevrolet P30 1975 - 1986
Chevrolet P60 1983 - 1986
Chevrolet Parkwood 1959 - 1961
Chevrolet Sedan Delivery 1958
Chevrolet Suburban 1958 - 1966
Chevrolet Townsman 1969 - 1972
Chevrolet Truck 1958 - 1960
Chevrolet Yeoman 1958

Specifications:

Baffle System Yes
Brand CFR Performance
Diameter Breather Hole: 1.25 Inches
Engine Compatibility Chevy Small Block 283, Chevy Small Block 305, Chevy Small Block 327, Chevy Small Block 350, Chevy Small Block 400
Exclusions Breathers, Gaskets, Grommets, Mounting Hardware
Finish Polished
Height 2-9/16 Inches
Included Components 2 X Smooth Polished Aluminum Valve Covers
Material Cast Aluminum

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CFR Performance 1958-86 Chevy Small Block 283-305-327-350-400 Short Polished Aluminum Valve Covers - Smooth HZ-6031-POL: