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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. Valve Spring Shim - 1.437" OD, .645" ID .030" Thickness

    These .030" thick Valve Spring Shims with 1.437" outside diameter and .645" inside diameter are used to equalize the installed height of valve springs.

    NP#: COM4743-1 Mfg#: 4743-1
    C$5.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$5.99
  2. Valve Spring Shim - 1.480" OD, .765" ID .030" Thickness

    These .030" thick Valve Spring Shims with 1.480" outside diameter and .765" inside diameter are used to equalize the installed height of valve springs.

    NP#: COM4744-1 Mfg#: 4744-1
    C$5.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$5.99
  3. Valve Spring Shim - 1.500" OD, .645" ID .030" Thickness

    These .030" thick Valve Spring Shims with 1.500" outside diameter and .645" inside diameter are used to equalize the installed height of valve springs.

    NP#: COM4745-1 Mfg#: 4745-1
    C$5.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$5.99
  4. Valve Spring Shims 100 - 1.250" OD, .814" ID .015" Thick

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4736-100 Mfg#: 4736-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  5. Valve Spring Shims 100 - 1.437" OD, .645" ID .030" Thick

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4743-100 Mfg#: 4743-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  6. Valve Spring Shims 100 - 1.437" OD, .645" ID .060" Thickness

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4749-100 Mfg#: 4749-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  7. Valve Spring Shims 100 - 1.480" OD, .765" ID .015" Thick

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4738-100 Mfg#: 4738-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  8. Valve Spring Shims 100 - 1.500" OD, .645" ID .030" Thick

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4745-100 Mfg#: 4745-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  9. Valve Spring Shims 100 - 1.500" OD, .645" ID .060" Thick

    • Made from the highest quality shim stock
    • these shims are heat treated to stand up to radical cam lobes. Kits are also available.
    NP#: COM4751-100 Mfg#: 4751-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  10. Valve Spring Shims 100 - 1.640" OD, .635" ID .030" Thick

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4746-100 Mfg#: 4746-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  11. Valve Spring Shims - 100 1.640" OD, .650" ID .060" Thick

    COMP Cams' Valve Spring Shims are manufactured from the highest quality shim stock available.

    NP#: COM4752-100 Mfg#: 4752-100
    C$119.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$119.99
  12. Valve Stem Locks 11/32" Diameter

    Edelbrock part #9614 Valve Stem Locks are 7 Degree, hardened Steel with a 11/32" stem, standard height, machined and hardened replacement valve locks.

    NP#: EDE9614 Mfg#: 9614
    C$54.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$54.99
  13. 10 Degree Superlock Steel Retainer for 1.437"-1.500" OD Valve Spring

    Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs.

    NP#: COM740-4 Mfg#: 740-4
    C$33.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$33.99
  14. 10 Degree Titanium Retainer Set of 12 for 1.437"-1.500" OD Double Springs

    Upgrading to these 10& deg

    NP#: COM730-12 Mfg#: 730-12
    C$611.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$611.99
  15. 10 Degree Titanium Retainer Set of 4 for 1.500"-1.550" OD Double Springs

    Upgrading to these 10& deg

    NP#: COM727-4 Mfg#: 727-4
    C$181.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$181.99
  16. 10 Lightweight Titanium Retainer for 1.500"-1.550" OD Double Springs

    Upgrading to these 10& deg

    NP#: COM721-1 Mfg#: 721-1
    C$63.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$63.99
  17. 10 Titanium Retainer for 1.437"-1.500" OD Double Springs

    Upgrading to these 10& deg

    NP#: COM730-1 Mfg#: 730-1
    C$73.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$73.99
  18. 10 Titanium Retainer for 1.500"-1.550" OD Double Springs

    Upgrading to these 10& deg

    NP#: COM738-1 Mfg#: 738-1
    C$48.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$48.99
  19. 10 Titanium Retainer for 1.625" OD 26091 Springs

    Upgrading to these 10& deg

    NP#: COM784-1 Mfg#: 784-1
    C$70.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$70.99
  20. 10 Tool Steel Retainer for All Valves w/ 26056 Springs

    These new lightweight 1.185" spring diameter Tool Steel Retainers from COMP Cams have a 10& deg

    NP#: COM1756-1 Mfg#: 1756-1
    C$25.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$25.99
  21. 7 Degree Tool Steel Retainers for 11/32" Valve Non-LS w/ Beehive Valve Springs

    These new Tool Steel Retainers from COMP Cams have a 7& deg

    NP#: COM1787-12 Mfg#: 1787-12
    C$333.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$333.99
  22. 7 Degree Tool Steel Retainers for 26915/26918 Beehive Springs

    These new Tool Steel Retainers from COMP Cams have a 7& deg

    NP#: COM1772-12 Mfg#: 1772-12
    C$333.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$333.99
  23. 7 Steel Retainer for 11/32" Valve w/ 1.437"-1.500" Spring

    Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs.

    NP#: COM743-1 Mfg#: 743-1
    C$9.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$9.99
  24. 7 Steel Retainer for 11/32" Valve w/ 1.437"-1.500" Spring

    Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs.

    NP#: COM768-1 Mfg#: 768-1
    C$9.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$9.99
  25. 7 Titanium Retainer for 26925 Spring w/ 8mm Valve Stem

    Upgrading to these 7& deg

    NP#: COM717-1 Mfg#: 717-1
    C$61.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$61.99

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