Availability
Pro-X head and base gasket sets are engineered for superior sealing, durability, and precision fitment, making them an essential choice for motocross, off-road motorcycle, dirt bike, and ATV engines. Manufactured from high-quality, heat-resistant materials, these gasket sets provide exceptional compression retention, oil and coolant leak prevention, and long-lasting reliability, ensuring optimal engine performance. Each set includes head and base gaskets, designed to meet or exceed OEM specifications for seamless installation and a perfect fit. Select the kit designed for your powersports ride.
Not Yet Reviewed
$48.99
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$53.99
Pro-X Racing Parts offer valve shims for most models Japanese dirt bikes, Road bikes and ATV's and KTM applications. The valve shims are made of premium materials. Specific heat-treatment ensures hardness of the shims to offer maximum durability and less wear. Next to the specific heat-treatment the valve shims are precision machined to match exact size. The ProX valve shims are available in assortment boxes, as well as refill kits. Assortment boxes contain 7.48mm or 9.48mm shims for Japanese applications and 8.90mm and 10.00mm for KTM applications. Thicknesses range from 1.20mm up to 3.50mm. Incremental by 0.025 mm. Refill kits are available for each individual shim size and come in a package of five shims. Select the valve shims for your application needs.
Not Yet Reviewed
$8.99
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$59.97
Pro-X complete gasket kits provide everything needed for a full engine rebuild, ensuring superior sealing, durability, and precision fitment for motocross, off-road motorcycles, dirt bikes, and ATVs. Each kit includes high-quality head gaskets, base gaskets, valve cover gaskets, oil seals, O-rings, and more, delivering a comprehensive package for maximum engine protection. Manufactured from premium, heat-resistant materials, Pro-X gaskets offer exceptional oil and coolant leak prevention, excellent compression retention, and long-lasting performance. Select the kit needed for your powersports ride.
Not Yet Reviewed
$107.99
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$192.99
Pro-X Racing Parts X-ring roller chains are exclusively manufactured for Pro-X by the reputable and leading OEM factory in Japan, using the highest grade Japanese steel. Specifically for the off-road, Enduro, ATV, and big 4-stroke Motocross bikes, Pro-X offers a lightweight, narrow type X-ring chain using a QX-type seal, offering 40 percent less friction and at least 150 percent increased durability over a standard MX Chain. All Pro-X chains are pre-stressed and pre-stretched to reduce initial chain stretch and provide immediate performance. They include a clip-type chain link as standard. Select the size chain needed for your off-road machine. Features: * Exclusive pin treatment provides an extremely hard outside coating, leaving a softer inside to increase strength while reducing overall chain wear * Pins are heavy press fitted and feature quad-staked riveting for ultra-strong connection * Solid bush inside the shot-peened, solid roller and plates are heat treated to offer incredible tensile strength, along with low friction and high-wear resistance * Inner plates are designed in a specific shape, allowing less material to be used and with the unique lightning holes result in a 3 percent overall lighter chain without compromising tensile strength
Not Yet Reviewed
$113.99
Pro-X Racing Parts offers a wide range of valve stem seals for the MX, dirt bike, road bike and ATV segment. The seals are manufactured by the leading OEM factories in Japan, such as NOK and ARS. Pro-X seals are produced from premium grade materials and are made to OEM specs and tolerances, offering low friction in combination with a superior seal for excellent durability. Choose the valve stem seals designed for your powersports ride.
Not Yet Reviewed
$3.99
Pro-X Racing Parts offers a complete line of OEM replacement and universal chain rollers for the Dirt bike program. Special Polyurethane material used in the universal chain rollers offers superior hardness to guarantee long life while the sealed precision bearings have two additional outer seals to protect the bearing against water and dirt. These hi-performance self-lubricating nylon OEM replacement chain rollers will fit directly to the frame boss. Select the model for your application needs. Product Overview: * Made from hi-performance self-lubricating nylon for guaranteed long life * Heavy-duty chain rollers have additional seals to increase bearing life * Universal 34mm, 38mm and 43mm chain rollers are designed to be an OEM replacement
Not Yet Reviewed
$21.99
Pro-X Racing Parts master cylinder rebuild kits are assembled with high-quality components, all designed and manufactured to meet or exceed the OEM parts. Each kit contains all the necessary components to rebuild the master cylinder, and they are available for a wide variety of dirt bike and ATV models. Choose a rebuild kit for your off-road machine.
Not Yet Reviewed
$21.99
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$45.99
Pro-X Racing Parts clutch slave cylinder rebuild kits are assembled with high-quality components all designed and manufactured to meet or exceed OEM parts. Each kit contains all the necessary components to rebuild your clutch cylinder and they are available for a wide range of applications. Choose the one that meets your needs.
Not Yet Reviewed
$26.99
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$30.99
Maintain your wheel centers with wheel bearings offered by Pro-X. Between riding and bike washing, wheel bearings take serious use and abuse. Pro-X wheel bearings are made to exact OEM specifications, to ensure maximum quality and performance. The Pro-X wheel bearings are offered as single or as set, and are a perfect match for your wheels, just the way you want it!
Not Yet Reviewed
$21.99
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$26.99
Pro-X Racing Parts offers steering stem bearing kits for a wide range of motorcycles. They provide the necessary bearings, bearing races, and seals to keep your bike turning smoothly. These components are manufactured from quality materials and factory specs to ensure proper fit and performance. Tapered roller bearings deliver longer life and increased load compared to traditional ball bearings. The seals work to effectively retain grease and keep water and dirt out. Installation is easy—just like OEM parts. Order the kit recommended for your ride.
Not Yet Reviewed
$34.95
Pro-X Racing Parts piston kits furnish the pistons, rings, wrist pins, and circlip retainers to perform a relatively easy rebuild. Available for 2-stroke and 4-stroke models, these industry-leading pistons are CNC-machined for precision in either a cast or forged aluminum alloy--perfect for low friction and low expansion. Sleeved cylinder versions are made in both standard and oversized parts, while plated cylinder kits can be ordered in standard and A, B, C, and D oversizes. Pro-X Racing Parts piston kits are produced in a variety of OEM bore measurements for powersports equipment from makers like Yamaha, Kawasaki, KTM, Honda®, Husaberg, and Husqvarna. Ensure the best ride every time--replace or rebuild your pistons before they fail and cause more expensive problems.
Not Yet Reviewed
$190.99
Pro-X Racing Parts front fork bushing kits come as complete replacement kits that include guide and slide bushings, copper washers, and fork seal snap rings. The PTFE bushings ensure an increased durability which has been proven from dynamic testing, and these complete sets ensure an easy installation for a full range of available MX models. Choose the kit designed for your powersports vehicle.
Not Yet Reviewed
$35.99
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$48.99
Pro-X Racing offers caliper rebuild kits for a wide range of off-road motorcycles, including models from Honda©, Kawasaki, Suzuki, and Yamaha. The kits are assembled with high-quality components designed and manufactured to meet or exceed the OEM parts. Each kit contains all the necessary components, like rubber boots, seals, bleeder cap, brake pad retaining pins, and copper washers to rebuild the brake caliper. Order the model recommended for your bike.
Not Yet Reviewed
$21.99
Pro-X Racing Parts front fork oil seals are made at the OE manufacturers in Japan. For almost every Motocross/Enduro application you can find the right front fork seal at Pro-X. The oil seals offer high-quality and competitive pricing, making them very popular. Choose the ones designed for your bike.
Not Yet Reviewed
$26.99
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$134.99
While changing the front sprocket on your off-road motorcycle, it's always recommended to inspect the countershaft oil seal that's right behind the sprocket. Positioned on the high loaded countershaft and always in contact with dirt and water, the oil seal can easily start leaking. Pro-X Racing has developed a wide range of countershaft seal kits—an easy and complete replacement, offering all the needed components. These upgrade kits also result in improved durability against the OEM parts. Order the seal kits designed for your application. Complete packages include: * Upgraded oil seal * Hardened steel bushing * O-rings, snap ring, or lock washer (where applicable)
Not Yet Reviewed
$17.99
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$21.99
Pro-X Racing Parts wheel spacers are complete and direct replacements for the OEM parts. Pro-X alloy spacers feature a hardened steel shell pressed over the alloy providing a superior wear surface, resulting in longer wheel spacer and bearing life. They are available for front or rear wheels and fitment on a wide range of off-road motorcycles. Choose the spacers designed for your dirt bike.
Not Yet Reviewed
$26.99
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$30.99
Pro-X Racing Parts high-quality carburetor rebuild kits are the easy solution to rebuilding your carburetor. Whether your carburetor is leaking, or the fuel distributions is disturbed, Pro-X Racing has a kit with all the necessary components to repair your carburetor, including float bowl and cap hardware, and they are available for a wide range of Dirt Bike and (Sport) ATV/UTV applications. Choose the kit needed for your off-road machine's carburetor. Features and contents: * Rubber O-rings are made of NBR rubber material with excellent resistance to the ethanol used in today's fuels * Carburetors equipped with paper float bowl gaskets are upgraded to high performance Interface gasket material * ATV models with two carburetors include components to repair two carburetors * Kits include: -- All O-rings -- Gaskets -- OEM size jets (standard jet sizing for your bike or ATV) -- Needle -- Mixture screw -- Float bowl screws -- Float valve needle plus seat (where applicable)
Not Yet Reviewed
$39.99
Pro-X Racing Parts cam chain line is supplied with the successful cooperation of Borg Warner in Japan. Borg Warner is a leading name in the industry and is known as one of the main suppliers to a variety of OEM companies worldwide. The camshaft chains have proven quality and with the teamwork of Pro-X and Borg Warner, a complete line of cam chains for MX, ATV, and street bikes is available. Choose the proper fit for your machine.
Not Yet Reviewed
$71.99
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$80.99
ProX Racing Parts offers swingarm bearing kits that are available for off-road and ATV applications. These complete rebuild kits come with all necessary parts you need to completely rebuild your swingarm. Order the Pro-X Racing swingarm bearing kit designed for your application needs. Product features: * Bushings are case hardened and plated to prevent wear and corrosion * Pins are through-hardened and precision ground * Needle bearings are made from 52100 bearing steel, ARC61-65 heat-treated and have a ST13 steel shell * PTFE washers for increased service life
Not Yet Reviewed
$57.99
Pro-X Racing Parts offer a wide range of clips for many piston diameters in different styles compatible with Pro-X or OEM pistons. Piston clips are not just a circled wire, they are much more, as they avoid the pin to move in the piston bosses. Do not underestimate the forces on the pin during operation. Pro-X piston circlips are top-quality, direct replacement circlips, exceeding OEM specifications and tolerances. Shop for Pro-X pistons, clutch plates, pistons and other powersport racing parts that will get you to the finish line faster. Order the Pro-X piston clips designed to fit your application needs.
Not Yet Reviewed
$2.99
Pro-X Racing Parts rear sprocket bolt sets contain bolts and flanged nylon lock nuts. The fasteners feature steel construction with a chrome finish to secure your rear alloy or steel sprockets.
Not Yet Reviewed
$9.99
Pro-X Racing Parts MX roller chains are exclusively manufactured for Pro-X by the reputable and leading OEM factory in Japan, using the highest grade Japanese steel. These MX chains are assembled from different components that have a specific and crucial function to make each chain a high-quality product, and are the perfect complement to Pro-X front and rear sprockets. All Pro-X chains are pre-stressed and pre-stretched to reduce initial chain stretch and provide immediate performance. They include a clip-type chain link as standard. Select the chain size needed for your off-road bike. Features: * Exclusive pin treatment provides an extremely hard outside coating, leaving a softer inside to increase strength while reducing overall chain wear * Pins are heavy press fitted and feature quad-staked riveting for ultra-strong connection * Solid bush inside the shot-peened, solid roller and plates are heat treated to offer incredible tensile strength, along with low friction and high-wear resistance * Inner plates are designed in a specific shape, allowing less material to be used and with the unique lightning holes result in a 3 percent overall lighter chain without compromising tensile strength
Not Yet Reviewed
$94.99
Pro-X Racing Parts Ultra-light steel rear sprockets are manufactured from premium quality, high-strength steel and offer superior durability, even under the most extreme riding circumstances, lasting 2 to 3 times longer than aluminum sprockets made from 7075 T-6. Pro-X Ultra-light rear sprockets are available in various sizes, select the ones made for your bike. Features: * Perfect fit together with the drive chains * Manufactured from low corrosion SCM435 Ni-Chromoly steel, featuring a low carbon core to prevent breaking while the case hardened surface offers maximum wear resistance * Precision CNC machining ensures a perfect fit * Lightweight design including lightening holes offers ultimate performance * Sprockets have self-cleaning dirt grooves to extend chain and sprocket life to the maximum
Not Yet Reviewed
$44.99
Pro-X Racing Parts front sprockets are manufactured from a low corrosion SCM435 Ni-Chrome Molybdenum steel. These sprockets feature a low carbon core which prevents breaking during the hardening process and offers maximum wear resistance. Another feature of these Pro-X Racing Parts front sprockets is the self-cleaning dirt grooves to extend chain sprocket life.
Not Yet Reviewed
$19.99
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