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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  • HLY241-135 Valve Covers

    Holley

    Part #: 241-135

    HLY241-135 Valve Covers

    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: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 - 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:Valve Cover Gasket Included: No
    pdm:Warranty: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-135
    pdm:Category: Engine
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    $442.95
  • HLY241-136 Valve Covers

    Holley

    Part #: 241-136

    HLY241-136 Valve Covers

    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: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 - 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:Valve Cover Gasket Included: No
    pdm:Warranty: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-136
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    pdm:Category: Engine
    $434.95
  • HLY241-137 Valve Covers

    Holley

    Part #: 241-137

    HLY241-137 Valve Covers

    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: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:Valve Cover Gasket Included: No
    pdm:Warranty: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-137
    pdm:Category: Engine
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    $460.95
  • HLY241-150 Tall M/T Valve

    Holley

    Part #: 241-150

    HLY241-150 Tall M/T Valve

    pdm:Application: Big Block Chevy
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-150
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    pdm:Category: Engine
    $449.95
  • HLY241-151 Tall M/T Valve

    Holley

    Part #: 241-151

    HLY241-151 Tall M/T Valve

    pdm:Application: Big Block Chevy
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-151
    pdm:Category: Valve Covers
    $614.95
  • HLY241-152 Tall M/T Valve

    Holley

    Part #: 241-152

    HLY241-152 Tall M/T Valve

    pdm:Application: Big Block Chevy
    pdm:Baffle Included: Yes
    pdm:Brand: Holley
    pdm:Breather Cap Included: No
    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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-152
    pdm:part type: Engine Valve Cover Set
    pdm:Category: Engine
    pdm:Sub Category: Cylinder Block Components
    $562.95
  • HLY241-164 Tall LS Valve Covers

    Holley

    Part #: 241-164

    HLY241-164 Tall LS Valve Covers

    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: 3
    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:Style: w/ Coil Mounts
    pdm:Type of Component: Valve Cover
    pdm:Valve Cover Gasket Included: No
    pdm:Warning: California Proposition 65
    pdm:Warranty: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-164
    pdm:Sub Category: Cylinder Block Components
    pdm:Category: Engine
    pdm:part type: Engine Valve Cover Set
    $292.95
  • HLY241-172 2-Piece Vintage

    Holley

    Part #: 241-172

    HLY241-172 2-Piece Vintage

    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: 3
    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: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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-172
    pdm:Category: Engine
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    $716.95
  • HLY241-174 2-Piece Vintage

    Holley

    Part #: 241-174

    HLY241-174 2-Piece Vintage

    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: Gloss Red
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 3
    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: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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-174
    pdm:Category: Engine
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    $716.95
  • HLY241-175 2-Piece "Chevrolet

    Holley

    Part #: 241-175

    HLY241-175 2-Piece "Chevrolet

    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: Natural
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 3
    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: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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-175
    pdm:Category: Engine
    pdm:part type: Engine Valve Cover Set
    pdm:Sub Category: Cylinder Block Components
    $699.95
  • HLY241-176 2-Piece "Chevrolet

    Holley

    Part #: 241-176

    HLY241-176 2-Piece "Chevrolet

    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: Polished
    pdm:Construction: Die Cast Aluminum
    pdm:Design Type: 2-Piece LS
    pdm:Emission Code: 3
    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: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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-176
    pdm:Sub Category: Cylinder Block Components
    pdm:part type: Engine Valve Cover Set
    pdm:Category: Engine
    $799.95
  • HLY241-177 2-Piece "Chevrolet

    Holley

    Part #: 241-177

    HLY241-177 2-Piece "Chevrolet

    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: 3
    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: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: Manufacturer's Limited 90 Day Warranty
    pdm:line_code: HLY
    pdm:internal_sku: HLY241-177
    pdm:part type: Engine Valve Cover Set
    pdm:Category: Engine
    pdm:Sub Category: Cylinder Block Components
    $665.95

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40+ Years Experience
Northern Auto Parts has been providing auto parts for all makes and models for over 40 years. We have everything you need to keep your car, truck, or SUV running in peak condition.

Trusted Source for Name-Brand Parts
We carry a wide variety of name-brand components, so you can find the exact parts you need to repair or replace anything on your vehicle. From engine components to exterior parts, we have a vast selection to choose from.

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