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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.

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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.

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

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Valvetrain

  1. Hardened Steel Set of 16 - 7 Degree, 11/32", Single Groove Street Locks

    Includes 16 Pairs of hardened Steel Street Locks: 1 Groove, 7& deg

    NP#: COM601-16 Mfg#: 601-16
    C$69.99
    Availability: In stock?

    Ships today

    C$69.99
  2. Set of 100 - 10 Degree, .308"/5/16", Single Groove Locks w/ Lash Cap Recess

    Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.

    NP#: COM610-100 Mfg#: 610-100
    C$355.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$355.99
  3. Machined Steel Set of 100 - 7 Degree, 5mm, Single Groove Race Locks

    Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case.

    NP#: COM629-100 Mfg#: 629-100
    C$381.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$381.99
  4. Set of 100 - 10 Degree, 11/32", Single Groove Locks w/ Lash Cap Recess

    Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.

    NP#: COM611-100 Mfg#: 611-100
    C$315.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$315.99
  5. Hardened Steel Set of 8 - 7 Degree, 11/32", Single Groove Street Locks

    Includes 8 Pairs of hardened Steel Street Locks: 1 Groove, 7& deg

    NP#: COM601-8 Mfg#: 601-8
    C$38.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$38.99
  6. Machined Steel Set of 12 - 7 Degree, 8mm, Single Groove Race Locks

    Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case.

    NP#: COM623-100 Mfg#: 623-100
    C$431.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$431.99
  7. Machined Steel Set of 16 - 7 Degree, 11/32", Single Groove Race Locks

    Includes 16 Pairs of Machined Steel Race Locks: 1 Groove, 7& deg

    NP#: COM648-16 Mfg#: 648-16
    C$67.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$67.99
  8. Machined Steel Set 100 - 7 Degree, 5/16", Single Groove Race Locks

    Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case.

    NP#: COM628-100 Mfg#: 628-100
    C$378.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$378.99
  9. Hardened Steel Set of 12 - 7 Degree, 3/8", Single Groove Street Locks

    Includes 12 Pairs of hardened Steel Street Locks: 1 Groove, 7& deg

    NP#: COM603-12 Mfg#: 603-12
    C$67.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$67.99
  10. Machined Steel Set of 100 - 7 Degree, 11/32", Single Groove Race Locks

    Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case.

    NP#: COM648-100 Mfg#: 648-100
    C$275.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$275.99
  11. Set of 100 - 10 Degree 11/32 Single Groove Locks w/ Lash Cap Recess -.050" Height

    Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case.

    NP#: COM630-100 Mfg#: 630-100
    C$403.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$403.99
  12. Set of 16 - 10 Degree 11/32 Single Groove Locks w/ Lash Cap Recess -.050" Height

    These Steel Super Locks with .050 install height feature a lash cap recess, 10& deg

    NP#: COM630-16 Mfg#: 630-16
    C$74.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$74.99
  13. SUPER VALVE LOCKS, +.050 11/32

    COMP Cams Super valve locks are wider-angled 10 degree locks.

    NP#: COM614-4 Mfg#: 614-4
    C$9.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$9.99
  14. Machined Steel Set of 100 - 7 Degree, 3/8", Single Groove Race Locks

    Most people believe that the tang inside a valve lock holds the retainer and valve spring in place while the engine is running, but this isn't the case.

    NP#: COM641-100 Mfg#: 641-100
    C$275.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$275.99
  15. Set of 100 - 10 Degree, 11/32", Single Groove Locks w/o Lash Cap Recess

    Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.

    NP#: COM613-100 Mfg#: 613-100
    C$315.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$315.99
  16. Set of 100 - 10 Degree, .310", Single Groove Locks w/o Lash Cap Recess

    Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.

    NP#: COM617-100 Mfg#: 617-100
    C$315.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$315.99
  17. Set of 100 - 10 Degree, 3/8", Single Groove Locks w/ Lash Cap Recess

    Ideal for use in race applications, our wider 10 degree angle locks better distribute increasing spring loads over the retainer more than typicaly 7 degree locks.

    NP#: COM612-100 Mfg#: 612-100
    C$315.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$315.99
  18. Set of 100 - 10 Degree 3/8" Single Groove Locks w/o Lash Cap Recess +.050" Height

    • Super-Tough - 10 Degree Super Locks greatly reduce the chance of "pull-through" failure in high load applications.…
    • COMP Super Locks are machined from fatigue resistant alloy material.
    NP#: COM616-100 Mfg#: 616-100
    C$315.99
    Availability: Backorder?

    Free shipping in Canada, ships in about 2 weeks

    C$315.99
  19. Set of 12 - 10 Degree 11/32 Single Groove Locks w/o Lash Cap Recess +.050 Height

    These Steel Super Locks with +.050 install height feature a 10& deg

    NP#: COM614-12 Mfg#: 614-12
    C$41.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$41.99
  20. C$46.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$46.99
  21. Set of 16 - 10 Degree, 11/32", Single Groove Locks w/ Lash Cap Recess

    These Steel Super Locks featuring a lash cap recess, 10& deg

    NP#: COM611-16 Mfg#: 611-16
    C$69.99
    Availability: External warehouse stock?

    Ships Oct 15

    C$69.99
  22. Set of 16 - 10 Degree, 11/32", Single Groove Locks w/o Lash Cap Recess

    These Steel Super Locks without a lash cap recess features a 10& deg

    NP#: COM613-16 Mfg#: 613-16
    C$64.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$64.99
  23. Set of 16 - 10 Degree 11/32 Single Groove Locks w/o Lash Cap Recess +.050 Height

    These Steel Super Locks with +.050 install height feature a 10& deg

    NP#: COM614-16 Mfg#: 614-16
    C$68.99
    Availability: External warehouse stock?

    Ships Oct 14

    C$68.99
  24. Hardened Steel Set of 12 - 7 Degree, 5/16", Single Groove Street Locks

    Hardened Steel 7& deg

    NP#: COM600-12 Mfg#: 600-12
    C$69.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$69.99
  25. Machined Steel Set of 12 - 7 Degree, 11/32", Single Groove Race Locks

    Includes 12 Pairs of Machined Steel Race Locks: 1 Groove, 7& deg

    NP#: COM648-12 Mfg#: 648-12
    C$52.99
    Availability: Backorder?

    Ships in about 2 weeks

    C$52.99

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