Availability
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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$99.99
Whether you're rejetting for altitude changes, adjusting for aftermarket modifications, or optimizing your bike's fuel-air ratio, Pro-X main jets deliver precision sizing, consistent fuel metering, and race-proven reliability. With strict quality control and precision machining, these jets eliminate bogging, improve fuel efficiency, and enhance overall engine responsiveness, making them the go-to choice for racers, mechanics, and performance enthusiasts seeking peak power and throttle precision. Pro-X Racing Keihin main jets will fit carburetors, like PWM Racing, CR Roundslide, FCR MX, and other carbs, and they offer a wide range of jets for 99101-357, 99101-393, 99101-116 Series Keihin carburetors. Pro-X main jets are manufactured in Japan to exact OEM specifications and are offered as a cost efficient alternative for the relative expensive original parts. Fine-tune your carburetor using Pro-X jets. Select the jet sizes needed for your off-road ride.
Not Yet Reviewed
$255.99
Whether you're rejetting for altitude changes, optimizing your air-fuel ratio, or upgrading for better performance, Pro-X pilot jets offer precise sizing, uniform flow rates, and race-proven reliability. With strict quality control and precision machining, these jets eliminate hesitation, improve fuel efficiency, and ensure crisp throttle transitions, making them the perfect choice for riders, mechanics, and tuners looking to maximize engine performance. Pro-X Racing Keihin pilot jets will fit many Keihin carburetors, like PJ, PWK, PWM, some smoothbore carbs, etc. Pro-X offers a wide range of jets for N424-21, N424-26, N424-74C Series. Pro-X pilot jets are manufactured in Japan to exact OEM specification and are a cost efficient alternative for the relative expensive original parts. Fine-tune your carburetor for altitude changes, aftermarket modifications, and peak performance tuning using Pro-X jets. Select the jet sizes needed for your off-road ride.
Not Yet Reviewed
$246.99
Whether you're rejetting for altitude changes, adjusting for aftermarket modifications, or optimizing your bike's fuel-air ratio, Pro-X main jets deliver precision sizing, consistent fuel metering, and race-proven reliability. With strict quality control and precision machining, these jets eliminate bogging, improve fuel efficiency, and enhance overall engine responsiveness, making them the go-to choice for racers, mechanics, and performance enthusiasts seeking peak power and throttle precision. Pro-X Racing Mikuni main jets will fit many Mikuni carburetors, like Mikuni VM Roundslide and TMX, RS carbs, and they offer a wide range of jets for 4/042, N100.604, N102/221 and VM11/22 Series Mikuni carburetors. Pro-X main jets are manufactured in Japan to exact OEM specifications and are offered as a cost efficient alternative for the relative expensive original parts. Fine-tune your carburetor using Pro-X jets. Select the jet sizes needed for your off-road ride.
Not Yet Reviewed
$255.99
Whether you're rejetting for altitude changes, optimizing your air-fuel ratio, or upgrading for better performance, Pro-X pilot jets offer precise sizing, uniform flow rates, and race-proven reliability. With strict quality control and precision machining, these jets eliminate hesitation, improve fuel efficiency, and ensure crisp throttle transitions, making them the perfect choice for riders, mechanics, and tuners looking to maximize engine performance. Pro-X Racing Mikuni pilot jets will fit many Mikuni carburetors, like Mikuni VM Roundslide and TMX, RS carbs, and they offer a wide range of jets for M28/1001, N224.103 and VM22/210 Series carburetors. Pro-X pilot jets are manufactured in Japan to exact OEM specifications and are offered as a cost efficient alternative for the relative expensive original parts. Fine-tune your carburetor for altitude changes, aftermarket modifications, and peak performance tuning using Pro-X jets. Select the jet sizes needed for your off-road ride.
Not Yet Reviewed
$305.99
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