Service your four-stroke dirt bike, ATV, or road motorcycle’s valvetrain with premium, OEM quality valvetrain components from ProX. We offer a comprehensive range of valvetrain parts, including titanium and steel intake and exhaust valves, valve and spring kits, valve seals, cam chains, and valve shims (including shim kits). ProX titanium valves, manufactured to OEM specifications, provide a direct replacement for OE titanium equipped engines, while our steel valve kits offer a durable and affordable alternative. Complete the job with our valve shims and shim kits, available in popular sizes for dirt bikes, motorcycles, ATVs, and more. Upgrade your valvetrain with precision-engineered components for superior performance and longevity.

Showing 225–240 of 286 results

  • Sale!

    ProX Valve Shim – 7.48 x 3.025 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748302.5

    ProX Racing Parts Valve Shim 7.48 x 3.025 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.975 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748297.5

    ProX Racing Parts Valve Shim 7.48 x 2.975 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.775 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748277.5

    ProX Racing Parts Valve Shim 7.48 x 2.775 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.725 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748272.5

    ProX Racing Parts Valve Shim 7.48 x 2.725 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.675 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748267.5

    ProX Racing Parts Valve Shim 7.48 x 2.675 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.625 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748262.5

    ProX Racing Parts Valve Shim 7.48 x 2.625 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.60 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748260

    ProX Racing Parts Valve Shim 7.48 x 2.60 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – 7.48 x 2.575 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748257.5

    ProX Racing Parts Valve Shim 7.48 x 2.575 mm. (5 pcs.).

  • Sale!

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


    Your Price: $9.26
    SKU 29.748255

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

  • Sale!

    ProX Valve Shim – 7.48 x 2.00 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.748200

    ProX Racing Parts Valve Shim 7.48 x 2.00 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – KTM 10.00 x 3.20 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.100320

    ProX Racing Parts Valve Shim KTM 10.00 x 3.20 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – KTM 10.00 x 3.175 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.100317.5

    ProX Racing Parts Valve Shim KTM 10.00 x 3.175 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – KTM 10.00 x 3.15 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.100315

    ProX Racing Parts Valve Shim KTM 10.00 x 3.15 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – KTM 10.00 x 3.125 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.100312.5

    ProX Racing Parts Valve Shim KTM 10.00 x 3.125 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – KTM 10.00 x 3.10 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.100310

    ProX Racing Parts Valve Shim KTM 10.00 x 3.10 mm. (5 pcs.).

  • Sale!

    ProX Valve Shim – KTM 10.00 x 3.075 mm. (5 pcs.)


    Your Price: $9.26
    SKU 29.100307.5

    ProX Racing Parts Valve Shim KTM 10.00 x 3.075 mm. (5 pcs.).