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  • PFM66668 Differential Cover

    Proform

    Part #: 66668

    PFM66668 Differential Cover

    pdm:Applications: GM 10 Bolt 8.2/8.5
    pdm:Category: Differential Covers
    pdm:Emblem: PERFECT LAUNCH Emblem
    pdm:Feature/Benefit: Reinforced lightweight aluminum rear end covers designed to strengthen the rear housing case in heavy torque situations.
    pdm:part type: Differential Cover
    pdm:line_code: PFM
    pdm:internal_sku: PFM66668
    pdm:Prop 65 Yes/No: Yes
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 (C, R or CR): CR
    $201.09
  • PFM66557 Freeze Plug Kit

    Proform

    Part #: 66557

    PFM66557 Freeze Plug Kit

    pdm:Applications: Chrysler 318 to 360 Engines
    pdm:Category: Freeze Plugs
    pdm:Feature/Benefit: Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits.
    pdm:Tool Type: Harmonic Balancer Installation Tool
    pdm:line_code: PFM
    pdm:internal_sku: PFM66557
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 Yes/No: Yes
    $26.71
  • PFM66735 Valve Cover Gaskets

    Proform

    Part #: 66735

    PFM66735 Valve Cover Gaskets

    pdm:Applications: Chevy Small Block 265 to 400 Engines 1958 to 1986
    pdm:Category: Valve Cover Gaskets
    pdm:Feature/Benefit: Always a good idea to have an extra gasket available.
    pdm:part type: alve Cover Gasket
    pdm:line_code: PFM
    pdm:internal_sku: PFM66735
    $17.65
  • PFM66751 Header Bolts-Black

    Proform

    Part #: 66751

    PFM66751 Header Bolts-Black

    pdm:Applications: Fits GM V6, SB 265-400, Buick, Olds, Pontiac 79 and earlier, Mopar BB 383-440 exc 413, AMC V8's w 3/8in bolts
    pdm:Bolt Grade: Grade 8
    pdm:Category: Header Bolts
    pdm:Color: Black Oxide
    pdm:Feature/Benefit: Wedge-Locking Technology Eliminates Constantly Re-Tightening Exhaust Collector Bolts; Blocks Bolt-Loosening Rotation caused by Vehicle Vibrations.
    pdm:Head Drive Type: Hex
    pdm:Material: Steel
    pdm:part type: Header Bolts
    pdm:Thread Type: Fine
    pdm:line_code: PFM
    pdm:internal_sku: PFM66751
    $34.95
  • PFM66558 Freeze Plug Kit

    Proform

    Part #: 66558

    PFM66558 Freeze Plug Kit

    pdm:Applications: Chrysler 383 to 440 Engines
    pdm:Category: Freeze Plugs
    pdm:Feature/Benefit: Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits.
    pdm:line_code: PFM
    pdm:internal_sku: PFM66558
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 Yes/No: Yes
    $20.94
  • PFM66650 Valve Cover Nuts

    Proform

    Part #: 66650

    PFM66650 Valve Cover Nuts

    pdm:Category: Mini Nuts
    pdm:Feature/Benefit: 1/4 inch x 20 with Stainless Steel washers.
    pdm:part type: Mini Nuts
    pdm:Stud Length: 1.5 inch
    pdm:line_code: PFM
    pdm:internal_sku: PFM66650
    $15.11
  • PFM66556 Freeze Plug Kit

    Proform

    Part #: 66556

    PFM66556 Freeze Plug Kit

    pdm:Applications: Ford Big Block 429 to 460 Engines
    pdm:Category: Freeze Plugs
    pdm:Feature/Benefit: Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits.
    pdm:line_code: PFM
    pdm:internal_sku: PFM66556
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 Yes/No: Yes
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    $20.94
  • PFM66661 Alternator Bracket

    Proform

    Part #: 66661

    PFM66661 Alternator Bracket

    pdm:Applications: Chevy Small Block 265 to 350 Engines 1955 to 1968
    pdm:Category: Brackets
    pdm:Color: Chrome
    pdm:Feature/Benefit: Chrome, steel.
    pdm:Finish: Chrome
    pdm:line_code: PFM
    pdm:internal_sku: PFM66661
    $17.23
  • PFM66666 Timing Chain Cover

    Proform

    Part #: 66666

    PFM66666 Timing Chain Cover

    pdm:Applications: Chevy Small Block 262 to 400 Engines 1958 to 1991
    pdm:Category: Timing Chain Covers
    pdm:Engine: Chevy SB Gen 1
    pdm:Feature/Benefit: Save hours of labor with no need to drop the oil pan to check the chain and gears.
    pdm:Make: Chevrolet
    pdm:line_code: PFM
    pdm:internal_sku: PFM66666
    $68.58
  • PFM66523 Balancer Installer

    Proform

    Part #: 66523

    PFM66523 Balancer Installer

    pdm:Category: Tools
    pdm:Feature/Benefit: Large Bearing for Smooth Installation
    pdm:Make: Chrysler
    pdm:line_code: PFM
    pdm:internal_sku: PFM66523
    $60.06
  • PFM66553 Freeze Plug Kit

    Proform

    Part #: 66553

    PFM66553 Freeze Plug Kit

    pdm:Applications: Ford Small Block 289 to 302 to 351W Engines
    pdm:Category: Freeze Plugs
    pdm:Feature/Benefit: Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits.
    pdm:line_code: PFM
    pdm:internal_sku: PFM66553
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 Yes/No: Yes
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    $24.68
  • PFM66524 Balancer Installer

    Proform

    Part #: 66524

    PFM66524 Balancer Installer

    pdm:Category: Tools
    pdm:Feature/Benefit: Large Bearing for Smooth Installation
    pdm:Make: Chrysler
    pdm:line_code: PFM
    pdm:internal_sku: PFM66524
    $60.06

Why Buy Vehicle Parts from Northern Auto Parts?

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. For engine builders, Northern Auto Parts is one of the best online sources for kits.

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Northern Auto Parts is recognized by many as the best online source for rebuild components. We carry a wide variety of name-brand components, so you can find the exact parts you need to repair or replace any part of your vehicle. From engine components to exterior parts, we have a vast selection to choose from.

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We are committed to affordability without compromising on quality. Our prices provide the best value for your money, whether you’re an automotive technician or a DIY enthusiast.