Whether you’re a racer fine-tuning your engine or a mechanic performing regular valve adjustments, ProX Single Size Valve Shim Kits provide consistent, reliable performance in high-RPM and extreme riding conditions. With strict quality control and high-strength materials, these shims help reduce valvetrain noise, optimize combustion efficiency, and extend the lifespan of your engine components, ensuring your bike runs at peak performance every ride.

  • Sale! ProX Valve Shim - 7.48 x 2.125 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 2.125 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748212.5

    ProX Racing Parts Valve Shim 7.48 x 2.125 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 1.975 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 1.975 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748197.5

    ProX Racing Parts Valve Shim 7.48 x 1.975 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 1.30 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 1.30 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748130

    ProX Racing Parts Valve Shim 7.48 x 1.30 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 9.48 x 2.975 mm. (5 pcs.)

    ProX Valve Shim – 9.48 x 2.975 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.948297.5

    ProX Racing Parts Valve Shim 9.48 x 2.975 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 9.48 x 2.375 mm. (5 pcs.)

    ProX Valve Shim – 9.48 x 2.375 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.948237.5

    ProX Racing Parts Valve Shim 9.48 x 2.375 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - KTM 8.90 x 2.32 mm. (5 pcs.)

    ProX Valve Shim – KTM 8.90 x 2.32 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.890232

    ProX Racing Parts Valve Shim KTM 8.90 x 2.32 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - KTM 8.90 x 2.22 mm. (5 pcs.)

    ProX Valve Shim – KTM 8.90 x 2.22 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.890222

    ProX Racing Parts Valve Shim KTM 8.90 x 2.22 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - KTM 8.90 x 2.10 mm. (5 pcs.)

    ProX Valve Shim – KTM 8.90 x 2.10 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.890210

    ProX Racing Parts Valve Shim KTM 8.90 x 2.10 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 2.55 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 2.55 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748255

    ProX Racing Parts Valve Shim 7.48 x 2.55 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 2.40 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 2.40 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748240

    ProX Racing Parts Valve Shim 7.48 x 2.40 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 2.375 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 2.375 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748237.5

    ProX Racing Parts Valve Shim 7.48 x 2.375 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 2.15 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 2.15 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748215

    ProX Racing Parts Valve Shim 7.48 x 2.15 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 2.05 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 2.05 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748205

    ProX Racing Parts Valve Shim 7.48 x 2.05 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 1.925 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 1.925 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748192.5

    ProX Racing Parts Valve Shim 7.48 x 1.925 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 1.875 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 1.875 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748187.5

    ProX Racing Parts Valve Shim 7.48 x 1.875 mm. (5 pcs.).

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  • Sale! ProX Valve Shim - 7.48 x 1.625 mm. (5 pcs.)

    ProX Valve Shim – 7.48 x 1.625 mm. (5 pcs.)

    Original price was: $9.95.
    Current price is: $8.99.     SKU 29.748162.5

    ProX Racing Parts Valve Shim 7.48 x 1.625 mm. (5 pcs.).

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