ProX Motorcycle Performance Parts

ProX
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS4406-2)
    0
    # mpn4526313698
    Steel Valve and Spring Kit (28.SIS4406-2) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $132.88
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS4336-2)
    0
    # mpn4526313695
    Steel Valve and Spring Kit (28.SIS4336-2) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.98
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS4335-2)
    0
    # mpn4526313694
    Steel Valve and Spring Kit (28.SIS4335-2) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.98
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS3408-2)
    0
    # mpn4526313693
    Steel Valve and Spring Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $119.58
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS3405-2)
    0
    # mpn4526313690
    Steel Valve and Spring Kit (28.SIS3405-2) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $119.58
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS3338-2)
    0
    # mpn4526313689
    Steel Valve and Spring Kit (28.SIS3338-2) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.98
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SES6351-1)
    0
    # mpn4526313686
    Steel Valve and Spring Kit (28.SES6351-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.98
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SES4406-1)
    0
    # mpn4526313680
    Steel Valve and Spring Kit (28.SES4406-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $132.88
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SES4335-1)
    0
    # mpn4526313679
    Steel Valve and Spring Kit (28.SES4335-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $126.22
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SES3405-1)
    0
    # mpn4526313675
    Steel Valve and Spring Kit (28.SES3405-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $119.58
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SES3338-1)
    0
    # mpn4526313674
    Steel Valve and Spring Kit (28.SES3338-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.98
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS1405-2)
    0
    # mpn4526313079
    Steel Valve and Spring Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $119.58
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS1403-2)
    0
    # mpn4526313078
    Steel Valve and Spring Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.73
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS1340-2)
    0
    # mpn4526313077
    Steel Valve and Spring Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.99
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS1337-2)
    0
    # mpn4526313076
    Steel Valve and Spring Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $122.98
  • ProX® - Steel Valve and Spring Kit
    ProX®Steel Valve and Spring Kit (28.SIS1336-2)
    0
    # mpn4526312739
    Steel Valve and Spring Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $126.22
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210039)
    0
    # mpn4871480516
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $76.15
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210169)
    0
    # mpn4871480501
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $23.52
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210047)
    0
    # mpn4871480493
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $76.15
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210080)
    0
    # mpn4871480492
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $51.91
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210030)
    0
    # mpn4871480488
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $76.15
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210041)
    0
    # mpn4871480477
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $76.15
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210067)
    0
    # mpn4871480471
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $55.39
  • ProX® - Swing Arm Bearing Kit
    ProX®Swing Arm Bearing Kit (26.210044)
    0
    # mpn4871480469
    Swing Arm Bearing Kit by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance
    $76.15
  • ProX® - Titanium Valve
    ProX®Titanium Valve (28.6433-2)
    0
    # mpn4967335111
    Titanium Valve (28.6433-2) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $75.13
  • ProX® - Titanium Valve
    ProX®Titanium Valve (28.3405-1)
    0
    # mpn4871472863
    Titanium Valve (28.3405-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $75.13
  • ProX® - Titanium Valve
    ProX®Titanium Valve (28.4406-1)
    0
    # mpn4871472822
    Titanium Valve by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $75.13
  • ProX® - Titanium Valve
    ProX®Titanium Valve (28.1346-1)
    0
    # mpn4871472793
    Titanium Valve (28.1346-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $69.77
  • ProX® - Titanium Valve
    ProX®Titanium Valve (28.6326-1)
    0
    # mpn4871472769
    Titanium Valve (28.6326-1) by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $58.92
  • ProX® - Titanium Valve
    ProX®Titanium Valve (28.1405-2)
    0
    # mpn4871472737
    Titanium Valve by ProX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials...
    Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials
    $75.13




For years, ProX Racing Parts has been providing dedicated motorcycle enthusiasts with genuine racing products for their motorcycle applications. Love of the ride and passion for motorsports paired with an ongoing thirst for innovation is the driving force behind the brand. It has poured into an extensive selection of industry-leading quality parts and accessories that look and perform as they should. ProX offers the highest quality, competitively priced parts, and accessories for any amateur rider or pro racer. From air and oil filters, bearings and brake discs to clutch parts, connecting rods, crankshafts, and suspension, ProX has everything you need to win that race.

With a rich heritage of experience and engineering excellence, ProX Racing Parts has built a solid reputation as the premier brand in the replacement engine industry and is constantly expanding its product lines to include suspension, transmission, brake parts, and more. The brand offers die-hard racing junkies and big performance fans the parts they need to attack any track with confidence at reasonable prices. ProX high-end products are made of superior-grade materials to meet or exceed the OEM in quality, performance, and durability to let you enjoy billions of miles of worry-free driving. Built to be tough as nails and dependable, they can handle the high RPMs of high-output applications.

ProX Racing offers a diverse variety of premium-grade racing parts and accessories for a wide range of applications including dirt bike and MX motorcycles and mopeds/scooters. Whether you’re a veteran motocross racing junkie, enduro rider, or any other moto enthusiast, ProX has the right parts to outfit your bike for an adventure. ProX Racing’s diverse product range includes air filters, brake parts, cables, clutch pressure plates, and springs, bearings, pistons, connecting rods, crankshafts, valves, engine seals, front fork seals, cylinder sleeves, swing arm rebuild parts, sprockets, and many more. They’re manufactured with quality and precision to strict OEM specifications to provide unprecedented performance, dependability, and value.

From piston kits and connecting rods to crankshaft assemblies and valves, ProX has got you covered with genuine racing engine parts made of first-class quality materials to optimize your bike’s performance and power to meet your specific needs. The brand has the finest quality gaskets and seals offering superior sealing and long-lasting service. Precision machined pistons made of the same low-expansion, low-friction piston alloy that’s used by most of the OEM manufacturers, which makes them a great replacement for your factory components. ProX also offers a wide variety of ball and roller bearing for just about every need. You’ll also find high-quality brake pads, discs, master cylinder, and caliper rebuild kits, which are a great alternative to OEM. With these parts, you can enjoy superior braking experience and a safe, worry-free ride. The brand also has a wide range of transmission parts including everything from sprockets and drive chains to countershaft seal kits and chain rollers to sprocket bolts. They offer trouble-free installation and reliable performance.

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