Parts Catalog

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Welcome to Northern Auto Parts' auto parts catalog, featuring a selection of high-quality auto parts and engine rebuild kits for almost every make and model. Specializing in engine rebuild kits and a vast array of components, our car parts catalog is your go-to source for all your automotive needs. Explore our user-friendly car parts catalog to find exactly what you need with ease, or if you prefer paper catalogs, request your free car parts catalog by mail.

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  • Holley

    Part #: 241-247

    HLY241-247

    pdm:Application: Small Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Black
    pdm:Construction: Die Cast Aluminum
    pdm:Emission Code: 3
    pdm:Finish: Black
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: Yes
    pdm:Grommets Included: Yes
    pdm:Height: 3.4"
    pdm:Hold Down Tabs Included: No
    pdm:Logo: Holley Script - Large
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Sale Category: Engine
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-247
    $238.95

  • Holley

    Part #: 241-248

    HLY241-248

    pdm:Application: Small Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Polished
    pdm:Construction: Die Cast Aluminum
    pdm:Emission Code: 3
    pdm:Finish: Polished
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: Yes
    pdm:Grommets Included: Yes
    pdm:Height: 3.4"
    pdm:Hold Down Tabs Included: No
    pdm:Logo: Holley Script - Large
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-248
    $302.95

  • Holley

    Part #: 241-249

    HLY241-249

    pdm:Application: Small Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Factory Orange
    pdm:Construction: Die Cast Aluminum
    pdm:Emission Code: 3
    pdm:Finish: Factory Orange
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: Yes
    pdm:Grommets Included: Yes
    pdm:Height: 3.4"
    pdm:Hold Down Tabs Included: No
    pdm:Logo: Holley Script - Large
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-249
    $266.95

  • Holley

    Part #: 241-250

    HLY241-250

    pdm:Application: Small Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Gloss Red
    pdm:Construction: Die Cast Aluminum
    pdm:Emission Code: 3
    pdm:Finish: Gloss Red
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: Yes
    pdm:Grommets Included: Yes
    pdm:Height: 3.4"
    pdm:Hold Down Tabs Included: No
    pdm:Logo: Holley Script - Large
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-250
    $254.95

  • Holley

    Part #: 241-260

    HLY241-260

    pdm:Application: LS1/LS6
    pdm:Bolt Pattern: 10
    pdm:Brand: Holley
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Engine
    pdm:Clearance Category: Valve Covers
    pdm:Configuration: One Piece
    pdm:Emission Code: 4
    pdm:Finish: Natural
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Hardware Included: No
    pdm:Logo: Trussed, No Logo
    pdm:Material: Billet Aluminum
    pdm:Mounting Hole Quantity: 10
    pdm:Oil Fill Cap Included: No
    pdm:Product Type: Valley Covers
    pdm:Sale Category: Engine
    pdm:Style: Trussed
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-260
    $167.95

  • Holley

    Part #: 241-262

    HLY241-262

    pdm:Application: LS1/LS6
    pdm:Bolt Pattern: 10
    pdm:Brand: Holley
    pdm:Category Filter: Engine Accessories
    pdm:Clearance Category: Engine Accessories
    pdm:Configuration: One Piece
    pdm:Emission Code: 4
    pdm:Finish: Anodized Black
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Hardware Included: No
    pdm:Logo: Trussed, No Logo
    pdm:Material: Billet Aluminum
    pdm:Mounting Hole Quantity: 10
    pdm:Oil Fill Cap Included: No
    pdm:Product Type: Valley Covers
    pdm:Style: Trussed
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-262
    $197.95

  • Holley

    Part #: 241-263

    HLY241-263

    pdm:Application: LS2/LS3/LS7/LSX
    pdm:Bolt Pattern: 11
    pdm:Brand: Holley
    pdm:Category Filter: Engine Accessories
    pdm:Clearance Category: Engine Accessories
    pdm:Configuration: One Piece
    pdm:Emission Code: 4
    pdm:Finish: Natural
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Hardware Included: No
    pdm:Logo: Trussed, No Logo
    pdm:Material: Billet Aluminum
    pdm:Mounting Hole Quantity: 10
    pdm:Oil Fill Cap Included: No
    pdm:Product Type: Valley Covers
    pdm:Style: Trussed
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-263
    $163.95

  • Holley

    Part #: 241-265

    HLY241-265

    pdm:Application: LS2/LS3/LS7/LSX
    pdm:Bolt Pattern: 11
    pdm:Brand: Holley
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Configuration: One Piece
    pdm:Emission Code: 4
    pdm:Finish: Anodized Black
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Hardware Included: No
    pdm:Logo: Trussed, No Logo
    pdm:Material: Billet Aluminum
    pdm:Mounting Hole Quantity: 10
    pdm:Oil Fill Cap Included: No
    pdm:Product Type: Valley Covers
    pdm:Sale Category: Engine
    pdm:Style: Trussed
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-265
    $188.95

  • Holley

    Part #: 241-278

    HLY241-278

    pdm:Application: Big Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Perimeter
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather Opening Size: 1.25 inch
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Natural/Anodized
    pdm:Construction: Fabricated
    pdm:Emission Code: 3
    pdm:Finish: Natural/Anodized
    pdm:Flange Thickness: 0.25 inch
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: No
    pdm:Grommets Included: No
    pdm:Height: 3.75"
    pdm:Hold Down Tabs Included: No
    pdm:Length: 22.125 inch
    pdm:Logo: Chevrolet with Bowtie
    pdm:Material: Fabricated Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Style: Tall Bolt BBC
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:Width: 6.75 inch
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-278
    $191.95

  • Holley

    Part #: 241-279

    HLY241-279

    pdm:Application: Big Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Perimeter
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather Opening Size: 1.25 inch
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Black
    pdm:Construction: Fabricated
    pdm:Emission Code: 3
    pdm:Finish: Black
    pdm:Flange Thickness: 0.25 inch
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: No
    pdm:Grommets Included: No
    pdm:Height: 3.75"
    pdm:Hold Down Tabs Included: No
    pdm:Length: 22.125 inch
    pdm:Logo: Chevrolet with Bowtie
    pdm:Material: Fabricated Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Sale Category: Engine
    pdm:Style: Tall Bolt BBC
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:Width: 6.75 inch
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-279
    $200.95

  • Holley

    Part #: 241-280

    HLY241-280

    pdm:Application: Big Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Perimeter
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather Opening Size: 1.25 inch
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Silver
    pdm:Construction: Fabricated
    pdm:Emission Code: 3
    pdm:Finish: Silver
    pdm:Flange Thickness: 0.25 inch
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: No
    pdm:Grommets Included: No
    pdm:Height: 3.500"
    pdm:Hold Down Tabs Included: No
    pdm:Length: 22.125 inch
    pdm:Logo: Chevrolet with Bowtie
    pdm:Material: Fabricated Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Sale Category: Engine
    pdm:Style: Short Bolt BBC
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:Width: 6.75 inch
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-280
    $181.95

  • Holley

    Part #: 241-281

    HLY241-281

    pdm:Application: Big Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Perimeter
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather Opening Size: 1.25 inch
    pdm:Breather(s) Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Black
    pdm:Construction: Fabricated
    pdm:Emission Code: 3
    pdm:Finish: Black
    pdm:Flange Thickness: 0.25 inch
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: No
    pdm:Grommets Included: No
    pdm:Height: 3.500"
    pdm:Hold Down Tabs Included: No
    pdm:Length: 22.125 inch
    pdm:Logo: Chevrolet with Bowtie
    pdm:Material: Fabricated Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Filler Cap Included: No
    pdm:Product Type: Valve Cover
    pdm:Sale Category: Engine
    pdm:Style: Short Bolt BBC
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:Width: 6.75 inch
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-281
    $186.95

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