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Northern Performance sells aftermarket auto parts from Burlington, Ontario, and ships within Canada. Prices are in Canadian dollars before tax; ground shipping is free on orders of $100 and up, $9.99 under.

Find a part by its number, brand or name: https://northernperformance.ca/parts/search?q=<words>.

A part has one page, https://northernperformance.ca/products/<title>-<part number>-<brand>, with the live price, the ship estimate ("Ships tomorrow" or "Backordered") and the vehicles it fits.

Find the parts for a vehicle or of a kind: https://northernperformance.ca/parts/<heading>/<category>/<subcategory>?year=<year>&make=<make>&model=<model>. https://northernperformance.ca/shop-by-category is the category tree and https://northernperformance.ca/brands is every brand.

Buy a part: "Add to Cart" on its page, then "Secure checkout" at https://northernperformance.ca/cart, which opens the Shopify checkout. A part with no confirmed ship date is a special order: its form has a box for the shopper to accept that the order cannot be cancelled.

Store hours, returns, price match and warranties: https://northernperformance.ca/llms.txt indexes those pages.

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Valvetrain

  1. Stud Girdle Adjusting Nut Set of 12 for 3/8" Stud w/ (4) 4509S Snap Rings

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4509-16 Mfg#: 4509-16
    C$268.99
    Availability: External warehouse stock?

    Free shipping in Canada, ships Oct 14

    C$268.99
  2. 1.125" Tall Polylock Set for High Energy Rockers w/ 7/16" Stud

    High Energyâ„¢ Aluminum Polylocks with 7/16" Stud diameter.

    NP#: COM4630-16 Mfg#: 4630-16
    C$93.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$93.99
  3. 1.125" Tall Polylock for High Energy Rockers w/ 7/16" Stud

    High Energyâ„¢ Aluminum Polylock with 7/16" Stud diameter.

    NP#: COM4630-1 Mfg#: 4630-1
    C$5.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$5.99
  4. Hi-Tech Polylock Set for 1/2" Stud Ultra Pro Magnum Rockers

    Hi-Tech Polylocks/Adjusting Nuts, 1/2" Stud for Ultra Pro Magnum/Ultra Pro Magnum XD Rockers - Set of 16

    NP#: COM4657-16 Mfg#: 4657-16
    C$170.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$170.99
  5. Hi-Tech Polylock for 1/2" Stud Ultra Pro Magnum Rockers

    Hi-Tech Polylock/Adjusting Nut, 1/2" Stud for Ultra Pro Mangum/Ultra Pro Magnum XD Rockers - Single

    NP#: COM4657-1 Mfg#: 4657-1
    C$13.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$13.99
  6. Stud Girdle Adjusting Nut Set of 12 for 7/16" Stud w/ (4) 4508S Snap Rings

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4508-16 Mfg#: 4508-16
    C$252.99
    Availability: External warehouse stock?

    Free shipping in Canada, ships Oct 14

    C$252.99
  7. 1.125" Tall Polylock for High Energy Rockers w/ 3/8" Stud

    High Energyâ„¢ Aluminum Polylock with 3/8" Stud diameter.

    NP#: COM4631-1 Mfg#: 4631-1
    C$5.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$5.99
  8. 1.125" Tall Polylock Set for High Energy Rockers w/ 3/8" Stud

    High Energyâ„¢ Aluminum Polylocks with 3/8" Stud diameter.

    NP#: COM4631-16 Mfg#: 4631-16
    C$93.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$93.99
  9. Hi-Tech Polylock for 3/8" Stud Ultra Pro Magnum Rockers

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4601-1 Mfg#: 4601-1
    C$6.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$6.99
  10. Hi-Tech Polylock for 7/16" Stud Ultra Pro Magnum Rockers

    7/16 HI-Tech Poly Lock

    NP#: COM4600-1 Mfg#: 4600-1
    C$6.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$6.99
  11. Hi-Tech Polylock Set for 3/8" Stud Ultra Pro Magnum Rockers

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4601-16 Mfg#: 4601-16
    C$109.99
    Availability: External warehouse stock?

    Free shipping in Canada, ships Oct 14

    C$109.99
  12. Magnum Polylock Set for 7/16" Rocker Stud

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4603-16 Mfg#: 4603-16
    C$109.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$109.99
  13. High Energy Polylock for 7/16" Rocker Stud

    7/16" High Energy Poly Lock

    NP#: COM4606-1 Mfg#: 4606-1
    C$4.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$4.99
  14. Hi-Tech Polylock Set for 7/16" Stud Ultra Pro Magnum Rockers

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4600-16 Mfg#: 4600-16
    C$110.99
    Availability: External warehouse stock?

    Free shipping in Canada, ships Oct 14

    C$110.99
  15. Stud Girdle Adjusting Nut for 3/8" Stud

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4509-1 Mfg#: 4509-1
    C$20.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$20.99
  16. High Energy Polylock Set for 3/8" Rocker Stud

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4604-16 Mfg#: 4604-16
    C$94.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$94.99
  17. Magnum Polylock for 3/8" Rocker Stud

    3/8" Magnum Poly Lock

    NP#: COM4602-1 Mfg#: 4602-1
    C$7.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$7.99
  18. Magnum Polylock for 7/16" Rocker Stud

    7/16" Magnum Poly Lock-1

    NP#: COM4603-1 Mfg#: 4603-1
    C$7.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$7.99
  19. Magnum Polylock Set for 3/8" Rocker Stud

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4602-16 Mfg#: 4602-16
    C$105.99
    Availability: External warehouse stock?

    Free shipping in Canada, ships Oct 14

    C$105.99
  20. Stud Girdle Adjusting Nut for 3/8" Stud w/ Snap Ring

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4509S-1 Mfg#: 4509S-1
    C$16.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$16.99
  21. High Energy Aluminum Polylocks, 3/8"-1

    COMP Cams' part number 4631-8, High Energy Aluminum Polylocks, 3/8"-1.

    NP#: COM4631-8 Mfg#: 4631-8
    C$45.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$45.99
  22. High Energy Polylock for 3/8" Rocker Stud

    3/8" High Energy Poly Lock

    NP#: COM4604-1 Mfg#: 4604-1
    C$4.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$4.99
  23. POLY LOCK, 7/16 HIGH ENERGY AL

    High Energyâ„¢ Aluminum Polylocks with 7/16" Stud diameter.

    NP#: COM4630-8 Mfg#: 4630-8
    C$51.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$51.99
  24. Stud Girdle Adjusting Nut for 7/16" Stud

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4508-1 Mfg#: 4508-1
    C$20.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$20.99
  25. Stud Girdle Adjusting Nut for 7/16" Stud w/ Snap Ring

    Designed for ultimate strength and locking force High Energy and Magnum polylocks are best for moderate lift and spring pressure Applications Hi-Tech Polylocks work well in all high end Race applications.

    NP#: COM4508S-1 Mfg#: 4508S-1
    C$20.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$20.99

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