Proform Parts

(Showing 36 of 902)

Shop Proform parts for unbeatable quality. Elevate your ride with precision-engineered, high-performance components. Upgrade confidently for a smoother, powerful drive.

The Proform parts catalog includes items for builders working on Chevy, Ford, Mopar, and universal applications. Options range from pushrods and timing tabs to cooling parts, tools, and dress-up pieces. Many buyers see Northern Auto Parts as one of the best online sources for performance auto parts, especially when they want a practical place to compare Proform auto parts, fitment notes, and current pricing before ordering.

Compare
Show 12 24 36 48 96
  • PFM141-221 Timing Chain Cover

    Proform

    Part #: 141-221

    PFM141-221 Timing Chain Cover

    pdm:line_code: PFM
    pdm:internal_sku: PFM141-221
    pdm:Color: Gray
    pdm:Depth: 1 IN
    pdm:Length: 13.35 IN
    pdm:Mounting Hole Quantity: 17
    pdm:Gasket Or Seal Included: Yes
    pdm:Mounting Hardware Included: No
    pdm:Finish: Powder Coated
    pdm:Material: Steel
    pdm:Material Thickness: 0.125 IN
    pdm:Grade Type: Performance
    pdm:Mounting Hole Diameter: 0.25 IN
    $46.95
  • PFM141-227 Master Cyl. Cover

    Proform

    Part #: 141-227

    PFM141-227 Master Cyl. Cover

    pdm:Category: Master Cylinder Covers
    pdm:Color: Chrome
    pdm:Emblem: GM Emblem
    pdm:Feature/Benefit: Premium Chrome Master Cylinder Cover with precisely positioned GM Emblem.
    pdm:Finish: Chrome
    pdm:Material: steel
    pdm:part type: Brake Master Cylinder Cap
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-227
    pdm:Shape: rectangle
    pdm:Indicator Markings: No
    pdm:Level Indicator Included: No
    pdm:Gasket Or Seal Included: No
    pdm:Attachment Type: Bail Clip
    $14.95
  • PFM141-256 Valve Covers-Black

    Proform

    Part #: 141-256

    PFM141-256 Valve Covers-Black

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Black Crinkle
    pdm:Color: Black
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: LSX Emblem
    pdm:Emblem Style: Raised/Milled Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Valve covers feature a raised and milled aluminum inchLSX inch logo.
    pdm:Finish: Black Crinkle
    pdm:Finish: Powder Coated
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Oil Filler Cap Included: No
    pdm:part type: Valve Covers
    pdm:Sheen Level: Matte
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-256
    pdm:Height: 2.750 IN
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Baffled: Yes
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 Yes/No: Yes
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $317.95
  • PFM141-257 Valve Covers-Orange

    Proform

    Part #: 141-257

    PFM141-257 Valve Covers-Orange

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Chevy Orange
    pdm:Color: Orange
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: LSX Emblem
    pdm:Emblem Style: Raised/Milled Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Valve covers feature a raised and milled aluminum inchLSX inch logo.
    pdm:Finish: Chevy Orange
    pdm:Finish: Painted
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Oil Filler Cap Included: Yes
    pdm:part type: Air Cleaner Kit
    pdm:Sheen Level: Semi-Gloss
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-257
    pdm:Baffled: Yes
    pdm:Height: 2.750 IN
    pdm:Prop 65 (C, R or CR): CR
    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 Yes/No: Yes
    $317.95
  • PFM141-261 Valve Covers-Orange

    Proform

    Part #: 141-261

    PFM141-261 Valve Covers-Orange

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Chevy Orange
    pdm:Color: Orange
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: CHEVROLET & Bowtie Emblem
    pdm:Emblem Style: Raised/Milled Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Hurray, the wait is over!
    pdm:Finish: Chevy Orange
    pdm:Finish: Painted
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Note: Jesel part numbers KSS-317070, KSS-317575, KSS-318080 require cover modification
    pdm:Oil Filler Cap Included: Yes
    pdm:PCV Grommet Included: Yes
    pdm:Sheen Level: Semi-Gloss
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-261
    pdm:Baffled: Yes
    pdm:Height: 2.750 IN
    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 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 Yes/No: Yes
    $339.95
  • PFM141-262 Valve Covers-Black

    Proform

    Part #: 141-262

    PFM141-262 Valve Covers-Black

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Black Crinkle
    pdm:Color: Black
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: CHEVROLET & Bowtie Emblem
    pdm:Emblem Style: Raised/Milled Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Hurray, the wait is over!
    pdm:Finish: Black Crinkle
    pdm:Finish: Powder Coated
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Note: You will need to purchase rubber gaskets for these valve covers separately. We recommend Fel-Pro part no. VS 50504 R.
    pdm:Oil Filler Cap Included: Yes
    pdm:Sheen Level: Matte
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-262
    pdm:Baffled: Yes
    pdm:Height: 2.750 IN
    pdm:Prop 65 Yes/No: Yes
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $339.95
  • PFM141-263 Valve Covers-Gray

    Proform

    Part #: 141-263

    PFM141-263 Valve Covers-Gray

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Cast Gray Crinkle
    pdm:Color: Gray
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: CHEVROLET & Bowtie Emblem
    pdm:Emblem Style: Raised/Milled Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Hurray, the wait is over!
    pdm:Finish: Cast Gray Crinkle
    pdm:Finish: Powder Coated
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Note: Jesel part numbers KSS-317070, KSS-317575, KSS-318080 require cover modification
    pdm:Oil Filler Cap Included: Yes
    pdm:Sheen Level: Matte
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-263
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 (C, R or CR): CR
    pdm:Height: 2.750 IN
    pdm:Baffled: Yes
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 Yes/No: Yes
    $339.95
  • PFM141-264 Valve Covers-Polish

    Proform

    Part #: 141-264

    PFM141-264 Valve Covers-Polish

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Polished
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: CHEVROLET & Bowtie Emblem
    pdm:Emblem Style: Recessed Red & Black Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Hurray, the wait is over!
    pdm:Finish: Polished
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Note: Jesel part numbers KSS-317070, KSS-317575, KSS-318080 require cover modification
    pdm:Oil Filler Cap Included: Yes
    pdm:Sheen Level: Semi-Gloss
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-264
    pdm:Prop 65 (C, R or CR): CR
    pdm:Height: 2.750 IN
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Baffled: Yes
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    pdm:Prop 65 Yes/No: Yes
    $317.95
  • PFM141-265 Valve Covers-Chrome

    Proform

    Part #: 141-265

    PFM141-265 Valve Covers-Chrome

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Chrome
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: CHEVROLET & Bowtie Emblem
    pdm:Emblem Style: Recessed Red & Black Emblem
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Hurray, the wait is over!
    pdm:Finish: Chrome
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Note: Jesel part numbers KSS-317070, KSS-317575, KSS-318080 require cover modification
    pdm:Oil Filler Cap Included: Yes
    pdm:Sheen Level: High Gloss
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-265
    pdm:Baffled: Yes
    pdm:Height: 2.750 IN
    pdm:Prop 65 Yes/No: Yes
    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 Warning Label: Proposition 65 Warning.JPG
    $423.95
  • PFM141-266 Valve Covers-Polishe

    Proform

    Part #: 141-266

    PFM141-266 Valve Covers-Polishe

    pdm:Applications: GM LS Series Engines
    pdm:Breather Grommet Included: No
    pdm:Category: Valve Covers
    pdm:Color: Polished
    pdm:Construction: Cast
    pdm:Contains Oil Baffles: Yes
    pdm:Cylinder Head Type: OHV
    pdm:Emblem: No Emblems or Logos
    pdm:Engine: Chevy/GM LS
    pdm:Feature/Benefit: Through innovative engineering, PROFORM has developed a valve cover that will take your generic looking stock LS engine, and give it a totally personalized look.
    pdm:Finish: Polished
    pdm:Grade Type: Premium
    pdm:Grommets Included: Yes
    pdm:Height: 70 MM
    pdm:Hold Down Tabs Included: No
    pdm:Inside Clearance Height: 2.575 IN
    pdm:Inside Clearance Height: 65.5 MM
    pdm:Length: 19.75 IN
    pdm:Length: 502 MM
    pdm:Make: GM
    pdm:Material: Die Cast Aluminum
    pdm:Material: Aluminum
    pdm:Material Thickness: 0.175 IN
    pdm:Material Thickness: 4.5 MM
    pdm:Mounting Hardware Included: Yes
    pdm:Mounting Location: Center
    pdm:Oil Filler Cap Included: Yes
    pdm:part type: Valve Cover
    pdm:Sheen Level: Semi-Gloss
    pdm:Surface Type: Logo
    pdm:Universal Or Specific Fit: Specific
    pdm:Valve Cover Bolt Pattern: Center Bolt
    pdm:Valve Cover Gasket Included: No
    pdm:Valve Cover Type: Tall
    pdm:Width: 5 IN
    pdm:Width: 127 MM
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-266
    pdm:Height: 2.750 IN
    pdm:Baffled: Yes
    $317.95
  • PFM141-302 Air Cleaner Kit

    Proform

    Part #: 141-302

    PFM141-302 Air Cleaner Kit

    Engine Make: Proform Parts
    pdm:Air Cleaner Style: Center Nut Style Air Cleaner
    pdm:Category: Center Nut Style Air Cleaner
    pdm:Height: 4 IN
    pdm:Configuration: Multi-Piece
    pdm:Diameter: 14 IN
    pdm:Housing Material: Steel
    pdm:Emblem: CHEVROLET Lettering
    pdm:Marine Approved: No
    pdm:Diameter: 14-in.
    pdm:Grade Type: Performance
    pdm:Feature/Benefit: Chevrolet lettering on the air cleaner top, and has a 14 inch overall diameter.
    pdm:Mounting Hole Quantity: 1
    pdm:Shape: Round
    pdm:internal_sku: PFM141-302
    pdm:Housing Color: Black Crinkle
    pdm:line_code: PFM
    $90.95
  • PFM141-307 Air Cleaner Kit

    Proform

    Part #: 141-307

    PFM141-307 Air Cleaner Kit

    pdm:Air Cleaner Style: Center Nut Style Air Cleaner
    pdm:Category: Center Nut Style Air Cleaner
    pdm:Configuration: Two-Piece
    pdm:Diameter: 14-in.
    pdm:Diameter: 14 IN
    pdm:Emblem: CHEVROLET Lettering
    pdm:Feature/Benefit: The bases of the 14 inch air cleaner kits are recessed for a low profile appearance, maximum performance and hood clearance.
    pdm:Grade Type: Performance
    pdm:Height: 4 IN
    pdm:Housing Color: Chrome
    pdm:Housing Material: Steel
    pdm:Marine Approved: No
    pdm:Mounting Hole Quantity: 1
    pdm:Note: This product does not include a large Bowtie Center Nut (p/n 141-333)
    pdm:Shape: Round
    pdm:Technical Note: Min. clearance of 3-3/4 in. from top of carburetor gasket to underside of hood
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-307
    $79.95
  • Sale
    PFM141-322 Air Cleaner Nut

    Proform

    Part #: 141-322

    PFM141-322 Air Cleaner Nut

    Engine Make: Proform Parts
    pdm:Feature/Benefit: Nut has a small black Chevrolet inchBowtie inch logo in the center with a red outline.
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Category: Air Cleaner Center Nuts
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-322
    pdm:Style: Small Bowtie
    pdm:part type: Air Cleaner Center Nut
    Was:
    $13.95
    $12.56
  • PFM141-323 Air Cleaner Nut

    Proform

    Part #: 141-323

    PFM141-323 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Premium Air Cleaner Nuts.
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: High Tech
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-323
    $14.95
  • PFM141-327 Air Cleaner Nut

    Proform

    Part #: 141-327

    PFM141-327 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: GM Emblem
    pdm:Feature/Benefit: Premium Air Cleaner Nuts.
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: High Tech
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-327
    $14.95
  • PFM141-328 Air Cleaner Nut

    Proform

    Part #: 141-328

    PFM141-328 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Premium Air Cleaner Nuts.
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: Small High Tech
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-328
    $13.95
  • PFM141-332 Air Cleaner Nut

    Proform

    Part #: 141-332

    PFM141-332 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: GM Emblem
    pdm:Feature/Benefit: Premium Air Cleaner Nuts.
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: Small High Tech
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-332
    $13.95
  • PFM141-333 Air Cleaner Nut

    Proform

    Part #: 141-333

    PFM141-333 Air Cleaner Nut

    Engine Make: Proform Parts
    pdm:Color: Chrome
    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Nut has a large black Chevrolet inchBowtie inch logo in the center with a red outline.
    pdm:Overall Width (in): 2.5 inch
    pdm:Material: Aluminum
    pdm:Color: Chrome/Black
    pdm:part type: Air Cleaner Center Nut
    pdm:Material: Steel
    pdm:Thread Type: Fine
    pdm:internal_sku: PFM141-333
    pdm:Thickness: 1.25 IN
    pdm:Thread Size: 5/16" - 18
    pdm:line_code: PFM
    pdm:Style: Bowtie
    pdm:Thread Type Standard: UNF
    pdm:Grade Type: Premium
    $14.95
  • PFM141-335 Air Cleaner Nut

    Proform

    Part #: 141-335

    PFM141-335 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Black Crinkle with Large Red Bowtie emblem in center
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: Deluxe Bowtie
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-335
    pdm:Prop 65 (C, R or CR): CR
    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 Yes/No: Yes
    $16.95
  • PFM141-336 Air Cleaner Nut

    Proform

    Part #: 141-336

    PFM141-336 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Chrome with Large Gold Colored Bowtie emblem in center
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: Deluxe Bowtie
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-336
    $16.95
  • PFM141-338 Air Cleaner Nut

    Proform

    Part #: 141-338

    PFM141-338 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Chrome with Large Black Colored Bowtie emblem in center
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: Deluxe Bowtie
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-338
    $16.95
  • PFM141-339 Air Cleaner Nut

    Proform

    Part #: 141-339

    PFM141-339 Air Cleaner Nut

    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Black Crinkle with Large Black Bowtie emblem in center
    pdm:part type: Air Cleaner Center Nut
    pdm:Style: Deluxe Bowtie
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-339
    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
    $16.95
  • PFM141-367 Valve Cover Nuts

    Proform

    Part #: 141-367

    PFM141-367 Valve Cover Nuts

    pdm:Category: Mini Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: These custom valve cover mini nuts feature a Bowtie logo on the top of each fastener.
    pdm:part type: Valve Cover Mini Nuts
    pdm:Stud Length: 1.75 inch
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-367
    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 Yes/No: Yes
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    $21.95
  • PFM141-369 Air Cleaner Nut

    Proform

    Part #: 141-369

    PFM141-369 Air Cleaner Nut

    Engine Make: Proform Parts
    pdm:Category: Air Cleaner Center Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: This Chevy Bowtie Emblem air cleaner center nut is now available in the wildly popular black crinkle finish!
    pdm:Style: Bowtie
    pdm:internal_sku: PFM141-369
    pdm:line_code: PFM
    pdm:part type: Air Cleaner Center Nut
    pdm:Overall Width (in): 2.5 inch
    pdm:Prop 65 (C, R or CR): CR
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    pdm:Prop 65 Yes/No: Yes
    pdm:Prop 65 - Short Label: WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
    $16.95
  • PFM141-500 Chrome Water Neck

    Proform

    Part #: 141-500

    PFM141-500 Chrome Water Neck

    Engine Make: Proform Parts
    pdm:Feature/Benefit: Premium Chrome Water Neck.
    pdm:Emblem: No Emblems or Logos
    pdm:Applications: Chevy Small Block 262 to 400 Engines 1958 to 1991; Chevy Big Block 366 to 454 Engines 1966 to 1990
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-500
    pdm:Category: Chrome Water Neck
    $26.95
  • PFM141-501 Chrome Water Neck

    Proform

    Part #: 141-501

    PFM141-501 Chrome Water Neck

    pdm:Applications: Chevy Small Block 262 to 400 Engines 1958 to 1991; Chevy Big Block 366 to 454 Engines 1966 to 1990
    pdm:Category: Chrome Water Neck
    pdm:Emblem: No Emblems or Logos
    pdm:Feature/Benefit: Premium Chrome Water Neck.
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-501
    $26.95
  • PFM141-550 Oil Pan Dipstick Kit

    Proform

    Part #: 141-550

    PFM141-550 Oil Pan Dipstick Kit

    Engine Make: Proform Parts
    pdm:Applications: Chevy Small Block 265 to 400 Engines 1955 to 1977
    pdm:Category: Oil
    pdm:Make: Chevrolet
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Premium Chrome Oil Dipstick Kit.
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-550
    $19.95
  • PFM141-551 Oil Pan Dipstick Kit

    Proform

    Part #: 141-551

    PFM141-551 Oil Pan Dipstick Kit

    pdm:Applications: Chevy Small Block Engines 1978 to 1982
    pdm:Category: Oil
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Premium Chrome Oil Dipstick Kit.
    pdm:Make: Chevrolet
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-551
    $19.95
  • PFM141-553 Oil Pan Dipstick Kit

    Proform

    Part #: 141-553

    PFM141-553 Oil Pan Dipstick Kit

    Engine Make: Proform Parts
    pdm:Category: Oil Dipstick
    pdm:Applications: Chevy Big Block 396 to 454 Engines
    pdm:Gasket Or Seal Included: No
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Adjustable: No
    pdm:line_code: PFM
    pdm:Feature/Benefit: Premium Chrome Oil Dipstick Kit.
    pdm:Make: Chevrolet
    pdm:Mounting Hole Quantity: 1
    pdm:Outside Diameter: 15 IN
    pdm:Mounting Bracket Included: Yes
    pdm:internal_sku: PFM141-553
    pdm:Handle Material: Steel
    pdm:Tube Length: 5 IN
    pdm:Tube Included: Yes
    $21.95
  • PFM141-600 Wing Nuts - Chrome

    Proform

    Part #: 141-600

    PFM141-600 Wing Nuts - Chrome

    Engine Make: Proform Parts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Category: Wing Nuts
    pdm:Feature/Benefit: Premium Chrome Wing Nuts.
    pdm:internal_sku: PFM141-600
    pdm:part type: Valve Cover Wing Nuts
    pdm:Stud Length: 1.5 inch
    pdm:line_code: PFM
    $31.95
  • PFM141-601 Valve Cover Nuts

    Proform

    Part #: 141-601

    PFM141-601 Valve Cover Nuts

    pdm:Category: Mini Nuts
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: These custom valve cover mini nuts feature a Bowtie logo on the top of each fastener.
    pdm:part type: Valve Cover Mini Nuts
    pdm:Stud Length: 1.75 inch
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-601
    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
    $21.95
  • PFM141-602 Valve Cover Nuts

    Proform

    Part #: 141-602

    PFM141-602 Valve Cover Nuts

    pdm:line_code: PFM
    pdm:internal_sku: PFM141-602
    pdm:Material: Steel
    pdm:Color: Red
    pdm:Thread Type: Coarse
    pdm:Grade Type: Standard Replacement
    pdm:Thickness: 0.35 IN
    pdm:Thread Type Standard: UNC
    pdm:Thread Size: 1/4" - 20
    pdm:Shaft Length: 1 IN
    $21.95
  • PFM141-610 Valve Cover Holdowns

    Proform

    Part #: 141-610

    PFM141-610 Valve Cover Holdowns

    pdm:Applications: Chevy Small Block 262 to 400 Engines 1958 to 1986; Chevy V6 Engines
    pdm:Category: Hold-down Clamps
    pdm:Emblem: No Emblems or Logos
    pdm:Feature/Benefit: Premium Chrome Valve Cover Hold-Down Clamps.
    pdm:part type: Valve Cover Mini Nuts
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-610
    pdm:Prop 65 Warning Label: Proposition 65 Warning.JPG
    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
    $22.95
  • PFM141-613 Push-In Breather Cap

    Proform

    Part #: 141-613

    PFM141-613 Push-In Breather Cap

    pdm:Air Breather Style: Push-in
    pdm:Category: Air Breather
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Durable Black Crinkle finish to complete your engine look.
    pdm:Hood: with Hood
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-613
    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
    pdm:Prop 65 Yes/No: Yes
    $31.95
  • PFM141-614 Push-In Breather Cap

    Proform

    Part #: 141-614

    PFM141-614 Push-In Breather Cap

    pdm:Air Breather Style: Push-in
    pdm:Category: Air Breather
    pdm:Emblem: Chevy Bowtie Emblem
    pdm:Feature/Benefit: Durable Black Crinkle finish to complete your engine look.
    pdm:Hood: without Hood
    pdm:line_code: PFM
    pdm:internal_sku: PFM141-614
    pdm:Prop 65 (C, R or CR): CR
    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
    $29.95
  • PFM141-615 Repl. Grommet Set

    Proform

    Part #: 141-615

    PFM141-615 Repl. Grommet Set

    Engine Make: Proform Parts
    pdm:Air Breather Style: Push-in
    pdm:Emblem: No Emblems or Logos
    pdm:Feature/Benefit: One Push-in for air breather cap, and one for PCV valve
    pdm:internal_sku: PFM141-615
    pdm:part type: Valve Cover Mini Nuts
    pdm:line_code: PFM
    pdm:Category: Valve Cover Grommet
    pdm:PCV Grommet Included: Yes
    pdm:Applications: Fits Chevy Small Block 262-400 Engines 1955-86
    $7.95

Find the Right Proform Auto Parts for Your Build

Proform auto parts cover a lot of automotive ground, so the right choice starts with the job in front of you. Some projects need a small replacement part, like a timing tab or hold-down. Other builds call for shop tools, valvetrain parts, radiator components, or engine bay pieces.

Use this Proform parts catalog to compare product details, part numbers, application notes, and specs. Check engine family, year range, dimensions, and included hardware where those details apply. Shop the Proform parts above and choose the components that match your build plan.

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.

Trusted Source for Name-Brand Parts


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.

Competitive Pricing


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.