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Pro-X Motorcycle Engine Valves for Yamaha YZ400F

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  • Pro-X Motorcycle Engine Valves for Yamaha YZ400F

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  • Brand: Pro-X- Selected

    • Pro-X - 28.SES6329-1 - Steel Exhaust Valve and Spring Kit KTM 250 SXF EXC '08-12 - Image 1 of 2
    • Pro-X - 28.SES6329-1 - Steel Exhaust Valve and Spring Kit KTM 250 SXF EXC '08-12 - Image 2 of 2

    Pro-X - 28.SES6329-1 - Steel Exhaust Valve and Spring Kit KTM 250 SXF EXC '08-12

    Brand New · Pro-X
    S$ 112.17
    S$ 45.00 shipping
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    • ProX Yamaha YZ250F YZF250 2014-2017 Steel Exhaust Valve & Spring Upgrade Kit - Image 1 of 2
    • ProX Yamaha YZ250F YZF250 2014-2017 Steel Exhaust Valve & Spring Upgrade Kit - Image 2 of 2

    ProX Yamaha YZ250F YZF250 2014-2017 Steel Exhaust Valve & Spring Upgrade Kit

    Brand New · Pro-X
    S$ 216.85
    S$ 27.41 shipping
    S⁣6⁣p⁣o⁣M⁣n⁣ѕ⁣ ⁣6⁣K⁣o⁣r⁣e⁣ ⁣d⁣⁣⁣9⁣3⁣ ⁣C⁣X⁣ ⁣⁣⁣⁣⁣A⁣
    • Steel Intake Valve & Spring Kit Yamaha YZ250F WR250F 15-18 ProX 28.SIS2414-2 - Image 1 of 2
    • Steel Intake Valve & Spring Kit Yamaha YZ250F WR250F 15-18 ProX 28.SIS2414-2 - Image 2 of 2

    Steel Intake Valve & Spring Kit Yamaha YZ250F WR250F 15-18 ProX 28.SIS2414-2

    Brand New · Pro X
    S$ 182.35
    S$ 33.60 shipping
    Only 1 left!
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  • Pro-X Intake Steel Valves and Spring Kit 28.SIS2402-2 YZ250F / WR250F 2001-2013 - Image 1 of 1

    Pro-X Intake Steel Valves and Spring Kit 28.SIS2402-2 YZ250F / WR250F 2001-2013

    LeClare Powersports - Same Day Shipping!!
    Brand New · Pro-X
    S$ 259.55
    Was: S$ 274.93was - S$ 274.93
    or Best Offer
    S$ 61.75 shipping
    6 watching
    C⁣S⁣O⁣p⁣ ⁣Z⁣M⁣o⁣ ⁣L⁣n⁣9⁣ѕ⁣o⁣r⁣e⁣d⁣⁣ ⁣H⁣S⁣⁣⁣ ⁣⁣6⁣⁣E⁣
  • Pro X Steel Intake Valve / Spring Kit KAWASAKI KX250F 2013 13 X51 - Image 1 of 4

    Pro X Steel Intake Valve / Spring Kit KAWASAKI KX250F 2013 13 X51

    New (Other) · Pro-X
    S$ 116.44
    or Best Offer
    S$ 32.56 shipping
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  • Pro-X - 28.1381-2 Steel Intake Valve For Honda XR200R 1986-2001, XR200 1980-1983 - Image 1 of 1

    Pro-X - 28.1381-2 Steel Intake Valve For Honda XR200R 1986-2001, XR200 1980-1983

    Brand New · Pro-X
    S$ 32.82
    S$ 29.18 shipping
    Only 2 left
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  • ProX Steel KTM350EXC-F 12-16 Exhaust Valve Kit (77236031100) - Image 1 of 2

    ProX Steel KTM350EXC-F 12-16 Exhaust Valve Kit (77236031100)

    Brand New · Pro X
    S$ 247.28
    S$ 22.85 shipping
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  • TITANIUM INTAKE VALVE KTM450SX-F 07-12 + KTM505SX-F 08-09 - Image 1 of 1

    TITANIUM INTAKE VALVE KTM450SX-F 07-12 + KTM505SX-F 08-09

    Brand New · Pro-X
    S$ 99.60
    S$ 32.06 shipping
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  • ProX BT301 Titanium Intake Valve for Motorcycle Racing Applications - Image 1 of 1

    ProX BT301 Titanium Intake Valve for Motorcycle Racing Applications

    New (Other) · Pro-X
    S$ 68.74
    Was: S$ 98.20was - S$ 98.20
    or Best Offer
    S$ 26.46 shipping
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  • Husqvarna FC 250 2022 Prox Valves Titanium 28.6333-1 - Image 1 of 4

    Husqvarna FC 250 2022 Prox Valves Titanium 28.6333-1

    Brand New · Pro X
    S$ 143.32
    S$ 37.69 shipping
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  • ProX Steel Exhaust Valve & Spring Kit #28.SES2424-1 Yamaha WR450F/YZ450F - Image 1 of 1

    ProX Steel Exhaust Valve & Spring Kit #28.SES2424-1 Yamaha WR450F/YZ450F

    100% Satisfaction - Worldwide Shipping - Huge Selection
    Brand New · Pro-X
    S$ 168.32
    S$ 33.18 shipping
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  • ProX 28.6351-1 Titanium Exhaust Valve fits KTM 350 SXF 11-22 / XCF EXCF 12-22 - Image 1 of 3

    ProX 28.6351-1 Titanium Exhaust Valve fits KTM 350 SXF 11-22 / XCF EXCF 12-22

    Brand New · Pro X
    S$ 107.84
    S$ 31.40 shipping
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  • Steel Intake Valve & Spring Upgrade Kit for Honda CRF250R 2004 2005 2006 2007 - Image 1 of 2

    Steel Intake Valve & Spring Upgrade Kit for Honda CRF250R 2004 2005 2006 2007

    Brand New · Pro-X
    S$ 216.85
    S$ 27.41 shipping
    4 watching
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  • Pro-X Steel Valves and Spring Kits Exhaust 28.SES2414-1 - Image 1 of 1

    Pro-X Steel Valves and Spring Kits Exhaust 28.SES2414-1

    LeClare Powersports - Same Day Shipping!!
    Brand New · Pro-X
    S$ 189.40
    Was: S$ 210.39was - S$ 210.39
    or Best Offer
    S$ 59.67 shipping
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  • Suzuki 2004-2006 RMZ250 ProX Complete Intake and Exhaust Valves w/ Springs Kit - Image 1 of 3

    Suzuki 2004-2006 RMZ250 ProX Complete Intake and Exhaust Valves w/ Springs Kit

    ▄▀▄█▓▒ AUTHORIZED PRO X SELLER - SAME DAY SHIP ▒▓█▀▄▀▄
    Brand New · Pro-X
    S$ 392.74
    S$ 39.80 shipping
    Only 1 left!
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  • Pro X 28.SIS6327-2 Steel Valves and Spring Kits Intake - Image 1 of 1

    Pro X 28.SIS6327-2 Steel Valves and Spring Kits Intake

    EWS MotorSports--Fast Free Shipping!
    Brand New · Pro-X
    S$ 210.39
    S$ 34.42 shipping
    M⁣D⁣S⁣ ⁣p⁣M⁣K⁣ ⁣6⁣R⁣ ⁣о⁣5⁣n⁣A⁣s⁣ ⁣o⁣D⁣0⁣ ⁣r⁣e⁣9⁣⁣d⁣⁣⁣
  • ProX KTM 350 EXCF EXC-F 2012-2016 Steel Intake Valve & Spring Upgrade Kit - Image 1 of 2

    ProX KTM 350 EXCF EXC-F 2012-2016 Steel Intake Valve & Spring Upgrade Kit

    Brand New · Pro-X
    S$ 216.85
    S$ 27.41 shipping
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  • Pro-X 28.1340-2 Titanium Intake Valve For Honda CRF250R 2010-2017 -Made In Japan - Image 1 of 1

    Pro-X 28.1340-2 Titanium Intake Valve For Honda CRF250R 2010-2017 -Made In Japan

    Brand New · Pro-X
    S$ 101.01
    S$ 31.20 shipping
    Only 2 left
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  • Pro-X 28.2420-3 Titanium Intake Valve For Yamaha YZ426F/WR426F 2001-2002 - Image 1 of 1

    Pro-X 28.2420-3 Titanium Intake Valve For Yamaha YZ426F/WR426F 2001-2002

    Brand New · Pro-X
    S$ 106.62
    S$ 32.27 shipping
    Only 1 left!
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  • KTM 530 EXC-R 2011 Prox Valves Steel 28.6428-1 - Image 1 of 4

    KTM 530 EXC-R 2011 Prox Valves Steel 28.6428-1

    Brand New · Pro X
    S$ 73.51
    S$ 37.69 shipping
    2 watching
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  • TITANIUM EXHAUST VALVE KTM450SX-F '07-11 + KTM505SX-F '08-09 - Image 1 of 2

    TITANIUM EXHAUST VALVE KTM450SX-F '07-11 + KTM505SX-F '08-09

    Brand New · Pro-X
    S$ 117.79
    S$ 27.91 shipping
    ⁣⁣J⁣⁣⁣U⁣⁣ ⁣3⁣O⁣ ⁣D⁣⁣5⁣⁣⁣⁣ ⁣A⁣7⁣⁣ ⁣⁣M⁣C⁣ ⁣⁣⁣
  • Pro-X Steel Exhaust Valve/Spring Kit For Yamaha YZ250F 2001-2013 - 28.SES2402-1 - Image 1 of 1

    Pro-X Steel Exhaust Valve/Spring Kit For Yamaha YZ250F 2001-2013 - 28.SES2402-1

    Brand New · Pro-X
    S$ 182.35
    S$ 33.60 shipping
    Only 2 left
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  • Pro-X - Steel Exhaust Valve For Honda CRF230F CRF230L CRF150F 28.1323-1 S - Image 1 of 3

    Pro-X - Steel Exhaust Valve For Honda CRF230F CRF230L CRF150F 28.1323-1 S

    Brand New · Pro-X
    S$ 42.05
    S$ 29.46 shipping
    6 watching
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  • Yamaha TT 600 2004 Prox Valves Steel 28.2600-1 - Image 1 of 4

    Yamaha TT 600 2004 Prox Valves Steel 28.2600-1

    Brand New · Pro X
    S$ 49.71
    S$ 37.69 shipping
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  • Pro X 28.6333-2 Titanium Intake Valve - Image 1 of 2

    Pro X 28.6333-2 Titanium Intake Valve

    Brand New · Pro-X
    S$ 106.06
    S$ 27.56 shipping
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  • Yamaha YZ 250 F 2025 Prox Valves Titanium 28.2414-1 - Image 1 of 4

    Yamaha YZ 250 F 2025 Prox Valves Titanium 28.2414-1

    Brand New · Pro X
    S$ 143.32
    S$ 37.69 shipping
    ⁣V⁣2⁣ ⁣⁣⁣W⁣Z⁣ ⁣K⁣5⁣⁣ ⁣Q⁣1⁣⁣ ⁣⁣⁣A⁣⁣⁣⁣A⁣ ⁣⁣M⁣⁣
  • ProX Steel KTM250EXC-F 2007 Exhaust Valve Kit (77136031000) - Image 1 of 2

    ProX Steel KTM250EXC-F 2007 Exhaust Valve Kit (77136031000)

    Brand New · Pro X
    S$ 253.60
    S$ 22.85 shipping
    ⁣⁣C⁣Y⁣ ⁣K⁣U⁣⁣ ⁣⁣I⁣⁣S⁣⁣ ⁣A⁣6⁣⁣ ⁣I⁣S⁣⁣⁣⁣ ⁣⁣R⁣⁣
  • Pro X 28.6419-2 Titanium Intake Valve - Image 1 of 2

    Pro X 28.6419-2 Titanium Intake Valve

    Brand New · Pro-X
    S$ 109.79
    S$ 27.67 shipping
    ⁣L⁣P⁣⁣⁣ ⁣⁣F⁣⁣T⁣ ⁣7⁣1⁣ ⁣⁣L⁣⁣⁣⁣R⁣ ⁣3⁣⁣⁣O⁣ ⁣⁣⁣
  • Pro X 28.SIS4336-2 Steel Valves and Spring Kits Intake - Image 1 of 1

    Pro X 28.SIS4336-2 Steel Valves and Spring Kits Intake

    EWS MotorSports--Fast Free Shipping!
    Brand New · Pro-X
    S$ 210.39
    S$ 34.42 shipping
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  • Pro X 28.SIS6329-2 Steel Valves and Spring Kits Intake - Image 1 of 1

    Pro X 28.SIS6329-2 Steel Valves and Spring Kits Intake

    EWS MotorSports--Fast Free Shipping!
    Brand New · Pro-X
    S$ 210.39
    S$ 34.42 shipping
    J⁣S⁣p⁣о⁣C⁣n⁣s⁣ ⁣2⁣o⁣r⁣e⁣C⁣d⁣⁣⁣ ⁣W⁣P⁣ ⁣G⁣W⁣⁣⁣ ⁣E⁣⁣G⁣
  • ProX KTM 250 EXCF EXC-F 2014-2016 Steel Intake Valve & Spring Upgrade Kit - Image 1 of 2

    ProX KTM 250 EXCF EXC-F 2014-2016 Steel Intake Valve & Spring Upgrade Kit

    Brand New · Pro-X
    S$ 216.85
    S$ 27.41 shipping
    S⁣C⁣p⁣о⁣n⁣s⁣C⁣ ⁣o⁣r⁣e⁣d⁣⁣⁣⁣3⁣8⁣ ⁣⁣⁣0⁣O⁣ ⁣R⁣⁣⁣⁣R⁣
  • ProX Kawasaki KX250F KXF250 2009-2010 Steel Intake Valve & Spring Upgrade Kit - Image 1 of 2

    ProX Kawasaki KX250F KXF250 2009-2010 Steel Intake Valve & Spring Upgrade Kit

    Brand New · Pro-X
    S$ 216.85
    S$ 27.41 shipping
    5 watching
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  • Fits Suzuki RM-Z 450 2025 Prox Valves Engine Replacement Kits 28.SES3408-1 - Image 1 of 4

    Fits Suzuki RM-Z 450 2025 Prox Valves Engine Replacement Kits 28.SES3408-1

    Brand New · Pro X
    S$ 215.60
    S$ 37.69 shipping
    ⁣⁣A⁣⁣E⁣ ⁣⁣2⁣⁣⁣L⁣⁣ ⁣L⁣⁣R⁣ ⁣U⁣⁣J⁣⁣⁣ ⁣⁣U⁣⁣⁣⁣
  • Pro-X 28.1338-1 Steel Exhaust Valve For Honda CRF250R 2008-2009 - Made In Japan - Image 1 of 1

    Pro-X 28.1338-1 Steel Exhaust Valve For Honda CRF250R 2008-2009 - Made In Japan

    Brand New · Pro-X
    S$ 50.50
    S$ 29.70 shipping
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  • TITANIUM INTAKE VALVE KTM350SX-F '11 - Image 1 of 2

    TITANIUM INTAKE VALVE KTM350SX-F '11

    Brand New · Pro-X
    S$ 98.68
    S$ 27.35 shipping
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  • ProX Steel KTM350XCF 12-16 Intake Valve Kit (77236030200) - Image 1 of 2

    ProX Steel KTM350XCF 12-16 Intake Valve Kit (77236030200)

    Brand New · Pro X
    S$ 247.57
    S$ 22.85 shipping
    ⁣V⁣⁣⁣T⁣⁣ ⁣⁣⁣8⁣⁣K⁣⁣ ⁣I⁣O⁣⁣ ⁣S⁣J⁣⁣ ⁣D⁣⁣⁣B⁣ ⁣⁣
  • Honda CRF 450 R 2008 Prox Valves Titanium 28.1402-2 - Image 1 of 4

    Honda CRF 450 R 2008 Prox Valves Titanium 28.1402-2

    Brand New · Pro X
    S$ 154.36
    S$ 37.69 shipping
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  • ProX Steel Intake Valve & Spring Kit #28.SIS1336-2 Honda CRF250X/CRF250R - Image 1 of 1

    ProX Steel Intake Valve & Spring Kit #28.SIS1336-2 Honda CRF250X/CRF250R

    100% Satisfaction - Worldwide Shipping - Huge Selection
    Brand New · Pro-X
    S$ 182.35
    S$ 33.60 shipping
    ⁣⁣⁣⁣S⁣J⁣ ⁣⁣H⁣⁣⁣⁣H⁣ ⁣⁣⁣⁣⁣N⁣⁣⁣Z⁣ ⁣⁣⁣⁣B⁣⁣
  • Pro X 28.SIS1336-2 Steel Valves and Spring Kits Intake - Image 1 of 1

    Pro X 28.SIS1336-2 Steel Valves and Spring Kits Intake

    EWS MotorSports--Fast Free Shipping!
    Brand New · Pro-X
    S$ 210.39
    S$ 35.33 shipping
    B⁣U⁣S⁣ ⁣H⁣p⁣C⁣ ⁣S⁣P⁣o⁣n⁣s⁣ ⁣o⁣W⁣5⁣ ⁣r⁣4⁣е⁣d⁣⁣⁣6⁣⁣⁣ ⁣
  • KIT IN VALVE+SPRING KXF250, PROX 28.SIS4338-2 INTAKE - Image 1 of 1

    KIT IN VALVE+SPRING KXF250, PROX 28.SIS4338-2 INTAKE

    Brand New · Pro-X
    S$ 267.90
    S$ 49.26 shipping
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  • Pro-X Steel Intake Valve/Spring Kit For Yamaha YZ250F 2001-2013 - 28.SIS2402-2 - Image 1 of 1

    Pro-X Steel Intake Valve/Spring Kit For Yamaha YZ250F 2001-2013 - 28.SIS2402-2

    Brand New · Pro-X
    S$ 259.55
    S$ 61.75 shipping
    Only 2 left
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  • ProX Intake Valve Titanium #28.6333-2 Husqvarna/KTM 250 SX-F/FE 250/FC 250 - Image 1 of 1

    ProX Intake Valve Titanium #28.6333-2 Husqvarna/KTM 250 SX-F/FE 250/FC 250

    100% Satisfaction - Worldwide Shipping - Huge Selection
    Brand New · Pro-X
    S$ 101.01
    S$ 31.20 shipping
    M⁣⁣⁣T⁣⁣⁣⁣⁣ ⁣⁣R⁣9⁣⁣⁣⁣ ⁣F⁣V⁣⁣ ⁣⁣⁣E⁣⁣2⁣⁣ ⁣3⁣
  • Pro-X 28.4334-1 Titanium Exhaust Valve For Kawasaki KX250F 2004-2016 - Image 1 of 1

    Pro-X 28.4334-1 Titanium Exhaust Valve For Kawasaki KX250F 2004-2016

    Brand New · Pro-X
    S$ 101.01
    S$ 31.20 shipping
    Only 2 left
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  • Pro X 28.4419-1 Titanium Exhaust Valve - Image 1 of 3

    Pro X 28.4419-1 Titanium Exhaust Valve

    Brand New · Pro-X
    S$ 109.23
    S$ 27.65 shipping
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  • Honda CRF 450 X 2017 Prox Valves Titanium 28.1405-2 - Image 1 of 4

    Honda CRF 450 X 2017 Prox Valves Titanium 28.1405-2

    Brand New · Pro X
    S$ 154.36
    S$ 37.69 shipping
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  • SUZUKI RMZ 450 Intake Valve and Valve Spring Kit ProX 2005 to 2006 - Image 1 of 3

    SUZUKI RMZ 450 Intake Valve and Valve Spring Kit ProX 2005 to 2006

    Brand New · Pro X
    S$ 81.38
    S$ 30.61 shipping
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  • Yamaha YZ 250 F 2018 Prox Valves Titanium 28.2414-2 - Image 1 of 4

    Yamaha YZ 250 F 2018 Prox Valves Titanium 28.2414-2

    Brand New · Pro X
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    S$ 37.69 shipping
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    Pro X Steel Engine Intake Valve for Yamaha YZ426F 00

    Brand New · Pro-X
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    ProX Steel Intake Valve & Spring Kit fits Honda CRF250R 4-Stroke 2010-2017

    100% Satisfaction - Worldwide Shipping - Huge Selection
    Brand New · Pro-X
    S$ 182.35
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  • Pro-X - Steel Intake Valve For Honda CRF230F CRF230L CRF150F 28.1323-2 - Image 1 of 1

    Pro-X - Steel Intake Valve For Honda CRF230F CRF230L CRF150F 28.1323-2

    Brand New · Pro-X
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  • ProX 28.1356-1 Steel Exhaust Valve fits 1996-2004 Honda XR250R - Image 1 of 1

    ProX 28.1356-1 Steel Exhaust Valve fits 1996-2004 Honda XR250R

    Brand New · Pro-X
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    Pro X Steel Intake Valve for Husaberg FE450 04-08

    Brand New · Pro-X
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    S$ 26.00 shipping
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  • ProX Steel KTM350SXF 13-15 Exhaust Valve Kit (77236031100) - Image 1 of 2

    ProX Steel KTM350SXF 13-15 Exhaust Valve Kit (77236031100)

    Brand New · Pro X
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  • ProX For Suzuki RMZ450 RMZ 450 2007 Steel Intake Valve & Spring Upgrade Kit - Image 1 of 2

    ProX For Suzuki RMZ450 RMZ 450 2007 Steel Intake Valve & Spring Upgrade Kit

    Brand New · Pro-X
    S$ 200.03
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  • Kawasaki KX 250 X 2024 Prox Valves Titanium 28.4353-2 - Image 1 of 4

    Kawasaki KX 250 X 2024 Prox Valves Titanium 28.4353-2

    Brand New · Pro-X
    S$ 150.50
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  • Pro X Steel Valves and Spring Kits Intake 28.SIS2402-2 - Image 1 of 1

    Pro X Steel Valves and Spring Kits Intake 28.SIS2402-2

    Fast and Reliable Seller- ebay Business Award Winner
    Brand New · Pro-X
    S$ 258.43
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  • Pro X Steel Valves and Spring Kits Intake 28.SIS3408-2 - Image 1 of 1

    Pro X Steel Valves and Spring Kits Intake 28.SIS3408-2

    ▄▀▄█▓▒░AUTHORIZED PRO X SELLER - SAME DAY SHIP░▒▓█▀▄▀▄
    Brand New · Pro-X
    S$ 196.38
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  • ProX Steel FE250 2013 Exhaust Valve Kit - Image 1 of 2

    ProX Steel FE250 2013 Exhaust Valve Kit

    Brand New · Pro X
    S$ 247.28
    S$ 22.85 shipping
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  • Pro X 28.SIS1340-2 Steel Valves and Spring Kits Intake - Image 1 of 1

    Pro X 28.SIS1340-2 Steel Valves and Spring Kits Intake

    EWS MotorSports--Fast Free Shipping!
    Brand New · Pro-X
    S$ 210.39
    S$ 30.64 shipping
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  • Pro X 28.SIS4409-2 Steel Valves and Spring Kits Intake - Image 1 of 1

    Pro X 28.SIS4409-2 Steel Valves and Spring Kits Intake

    EWS MotorSports--Fast Free Shipping!
    Brand New · Pro-X
    S$ 224.42
    S$ 34.84 shipping
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