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 #: 241-137

    HLY241-137

    pdm:Application: Small Block Chevy
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Perimeter
    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 - OEM style square with 3/4" PCV and breather tube hole
    pdm:Grommets Included: Yes
    pdm:Hold Down Tabs Included: No
    pdm:Internal Dimensions: 2.45"
    pdm:Logo: Holley Badge
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: No
    pdm:Oil Filler Cap Included: Yes
    pdm:Product Type: Valve Cover
    pdm:Sale Category: Engine
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-137
    $382.95

  • Holley

    Part #: 241-150

    HLY241-150

    pdm:Application: Big Block Chevy
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Category Filter: Valve Covers
    pdm:Clearance Category: Valve Covers
    pdm:Color: Natural
    pdm:Construction: Die Cast Aluminum
    pdm:Emission Code: 3
    pdm:Finish: Natural
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: Yes
    pdm:Grommets Included: Yes
    pdm:Height: Tall
    pdm:Hold Down Tabs Included: No
    pdm:Logo: M/T
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: No
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Product Type: Valve Cover
    pdm:Style: M/T BBC
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-150
    $380.95

  • Holley

    Part #: 241-151

    HLY241-151

    pdm:Application: Big Block Chevy
    pdm:Brand: Holley
    pdm:Breather Cap 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: Tall
    pdm:Hold Down Tabs Included: No
    pdm:Logo: M/T
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: No
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Product Type: Valve Cover
    pdm:Style: M/T BBC
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-151
    $531.95

  • Holley

    Part #: 241-152

    HLY241-152

    pdm:Application: Big Block Chevy
    pdm:Baffle Included: Yes
    pdm:Brand: Holley
    pdm:Breather Cap 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: Tall
    pdm:Hold Down Tabs Included: No
    pdm:Logo: M/T
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: No
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Product Type: Valve Cover
    pdm:Style: M/T BBC
    pdm:Valve Cover Gasket Included: No
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-152
    $487.95

  • Holley

    Part #: 241-164

    HLY241-164

    pdm:Application: GM LS Engines
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Coil Mounting Studs: Yes
    pdm:Coil Options: with Coil Stands
    pdm:Color: Factory Orange
    pdm:Construction: Die Cast Aluminum
    pdm:Emission Code: 7
    pdm:Finish: Factory Orange
    pdm:Gaskets Included: No
    pdm:Grade Type: Performance
    pdm:Gromment(s) Included: Yes
    pdm:Grommets Included: Yes
    pdm:Height: Tall
    pdm:Hold Down Tabs Included: No
    pdm:Logo: None
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: w/ Coil Mounts
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-164
    $285.95

  • Holley

    Part #: 241-172

    HLY241-172

    pdm:Application: GM LS Engines
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Satin Black Machined
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Features: Finned
    pdm:Finish: Satin Black Machined
    pdm:Gasket Included: No
    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:Logo: Holley Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.75 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Holley Vintage Series
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-172
    $610.95

  • Holley

    Part #: 241-174

    HLY241-174

    pdm:Application: GM LS Engines
    pdm:Baffle Included: Yes
    pdm:Bolt Pattern: Center Bolt
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    pdm:Breather(s) Included: No
    pdm:Clearance Category: Engine
    pdm:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Gloss Red
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Features: Finned
    pdm:Finish: Gloss Red
    pdm:Gasket Included: No
    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:Logo: Holley Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.75 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Holley Vintage Series
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-174
    $618.95

  • Holley

    Part #: 241-175

    HLY241-175

    pdm:Application: GM LS Engines
    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:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Natural
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Finish: Natural
    pdm:Gasket Included: No
    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:Logo: Chevrolet Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.61 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Chevrolet Script
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-175
    $589.95

  • Holley

    Part #: 241-176

    HLY241-176

    pdm:Application: GM LS Engines
    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:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Polished
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Finish: Polished
    pdm:Gasket Included: No
    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:Logo: Chevrolet Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.61 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Chevrolet Script
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-176
    $714.95

  • Holley

    Part #: 241-177

    HLY241-177

    pdm:Application: GM LS Engines
    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:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Satin Black Machined
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Finish: Satin Black Machined
    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:Logo: Chevrolet Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.61 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Chevrolet Script
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-177
    $610.95

  • Holley

    Part #: 241-178

    HLY241-178

    pdm:Application: GM LS Engines
    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:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Factory Orange
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Finish: Factory Orange
    pdm:Gasket Included: No
    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:Logo: Chevrolet Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.61 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Chevrolet Script
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-178
    $610.95

  • Holley

    Part #: 241-179

    HLY241-179

    pdm:Application: GM LS Engines
    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:Coil Mounting Studs: Yes, on Baseplate
    pdm:Coil Options: with Coil Stands
    pdm:Color: Gloss Red
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 7
    pdm:Finish: Gloss Red
    pdm:Gasket Included: No
    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:Logo: Chevrolet Script
    pdm:Material: Cast Aluminum
    pdm:Mounting Hardware Included: Yes
    pdm:Oil Fill: Yes
    pdm:Oil Fill Cap Included: Yes
    pdm:Oil Filler Cap Included: Yes
    pdm:Overall Height: 3.61 IN
    pdm:Product Type: Valve Cover
    pdm:Quantity: Pair
    pdm:Sale Category: Engine
    pdm:Style: Chevrolet Script
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Valvetrain Clearance: .750" lift cam with stock style rocker arms
    pdm:Warning: California Proposition 65
    pdm:Warranty: Limited 90 Day
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-179
    $610.95

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Our engine rebuild kits provide all the necessary components for a complete engine overhaul, ensuring optimal performance and longevity. Get your vehicle back on the road with the quality you deserve.

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