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  • ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.96mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.96mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.97mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.97mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.98mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.98mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 05-21 + YZ125X 20-22 (53.98mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ125 22-23 (53.95mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 22-23 (53.95mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 22-23 (53.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits...

  • ProX Piston Kit YZ125 22-23 (53.96mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ125 22-23 (53.96mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 22-23 (53.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits...

  • ProX Piston Kit YZ125 22-24 + YZ125X 23 (53.97mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 22-24 + YZ125X 23 (53.97mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 22-24 + YZ125X 23 (53.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ125 97-01 (53.95mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 97-01 (53.95mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 97-01 (53.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits...

  • ProX Piston Kit YZ125 97-01 (53.96mm)
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    ProX Racing Parts

    ProX Piston Kit YZ125 97-01 (53.96mm)

    RRP £113.99 (Inc. VAT)
    RRP £94.99 (Ex. VAT)

    ProX Piston Kit YZ125 97-01 (53.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits...

  • sold out
    ProX Piston Kit YZ250 88-98 + WR250R 88-91 (67.95mm)
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    ProX Racing Parts

    ProX Piston Kit YZ250 88-98 + WR250R 88-91 (67.95mm)

    RRP £133.19 (Inc. VAT)
    RRP £110.99 (Ex. VAT)

    ProX Piston Kit YZ250 88-98 + WR250R 88-91 (67.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ250 88-98 + WR250R 88-91 (67.97mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ250 88-98 + WR250R 88-91 (67.97mm)

    RRP £133.19 (Inc. VAT)
    RRP £110.99 (Ex. VAT)

    ProX Piston Kit YZ250 88-98 + WR250R 88-91 (67.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.35mm)
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    ProX Racing Parts

    ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.35mm)

    RRP £133.19 (Inc. VAT)
    RRP £110.99 (Ex. VAT)

    ProX Piston Kit YZ250 99-23 + RM250 03-12  (66.35mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.36mm)
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    ProX Racing Parts

    ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.36mm)

    RRP £133.19 (Inc. VAT)
    RRP £110.99 (Ex. VAT)

    ProX Piston Kit YZ250 99-23 + RM250 03-12 (66.36mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ250F 14-15/WR250F 15-17 13.5:1 (76.95mm)
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    ProX Racing Parts

    ProX Piston Kit YZ250F 14-15/WR250F 15-17 13.5:1 (76.95mm)

    RRP £166.79 (Inc. VAT)
    RRP £138.99 (Ex. VAT)

    ProX Piston Kit YZ250F 14-15/WR250F 15-17 13.5:1 (76.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ250F 14-15/WR250F 15-17 13.5:1 (76.97mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ250F 14-15/WR250F 15-17 13.5:1 (76.97mm)

    RRP £166.79 (Inc. VAT)
    RRP £138.99 (Ex. VAT)

    ProX Piston Kit YZ250F 14-15/WR250F 15-17 13.5:1 (76.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.95mm)
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    ProX Racing Parts

    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.95mm)

    RRP £166.79 (Inc. VAT)
    RRP £138.99 (Ex. VAT)

    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • sold out
    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.96mm)
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    ProX Racing Parts

    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.96mm)

    RRP £166.79 (Inc. VAT)
    RRP £138.99 (Ex. VAT)

    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.97mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.97mm)

    RRP £166.79 (Inc. VAT)
    RRP £138.99 (Ex. VAT)

    ProX Piston Kit YZ250F 16-18 /250FX 17-18 13.5:1 (76.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ400F 98-99/WR400F 98-00 12.5:1 (91.95mm)
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    ProX Racing Parts

    ProX Piston Kit YZ400F 98-99/WR400F 98-00 12.5:1 (91.95mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ400F 98-99/WR400F 98-00 12.5:1 (91.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ400F 98-99/WR400F 98-00 12.5:1 (91.96mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ400F 98-99/WR400F 98-00 12.5:1 (91.96mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ400F 98-99/WR400F 98-00 12.5:1 (91.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ450F 03-09/WR450F 03-15 12.5:1 (94.95mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 03-09/WR450F 03-15 12.5:1 (94.95mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 03-09/WR450F 03-15 12.5:1 (94.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ450F 10-13 12.5:1 (96.97mm)
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    ProX Racing Parts

    ProX Piston Kit YZ450F 10-13 12.5:1 (96.97mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 10-13 12.5:1 (96.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston...

  • ProX Piston Kit YZ450F 14-17/WR450F 16-18 12.5:1 (96.95mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 14-17/WR450F 16-18 12.5:1 (96.95mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 14-17/WR450F 16-18 12.5:1 (96.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • sold out
    ProX Piston Kit YZ450F 14-17/WR450F 16-18 12.5:1 (96.97mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 14-17/WR450F 16-18 12.5:1 (96.97mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 14-17/WR450F 16-18 12.5:1 (96.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • sold out
    ProX Piston Kit YZ450F 18-19 + YZ450FX 19-20 (96.96mm)
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    ProX Racing Parts

    ProX Piston Kit YZ450F 18-19 + YZ450FX 19-20 (96.96mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 18-19 + YZ450FX 19-20 (96.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

  • ProX Piston Kit YZ450F 20-22 + WR450F 21-23 13.0:1 (96.95mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 20-22 + WR450F 21-23 13.0:1 (96.95mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 20-22 + WR450F 21-23 13.0:1 (96.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

  • ProX Piston Kit YZ450F 20-22 + WR450F 21-23 13.0:1 (96.97mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 20-22 + WR450F 21-23 13.0:1 (96.97mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 20-22 + WR450F 21-23 13.0:1 (96.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

  • ProX Piston Kit YZ450F 23-24 13.0:1 (96.95mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 23-24 13.0:1 (96.95mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 23-24 13.0:1 (96.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • ProX Piston Kit YZ450F 23-24 13.0:1 (96.96mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ450F 23-24 13.0:1 (96.96mm)

    RRP £181.19 (Inc. VAT)
    RRP £150.99 (Ex. VAT)

    ProX Piston Kit YZ450F 23-24 13.0:1 (96.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

  • sold out
    ProX Piston Kit YZ65 18-23 (43.44mm)
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    ProX Racing Parts

    ProX Piston Kit YZ65 18-24 (43.44mm)

    RRP £74.39 (Inc. VAT)
    RRP £61.99 (Ex. VAT)

    ProX Piston Kit YZ65 18-23 (43.44mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are...

  • sold out
    ProX Piston Kit YZ65 18-23 (43.45mm)
    quick view

    ProX Racing Parts

    ProX Piston Kit YZ65 18-24 (43.45mm)

    RRP £74.39 (Inc. VAT)
    RRP £61.99 (Ex. VAT)

    ProX Piston Kit YZ65 18-23 (43.45mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are...

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