Powersports Valves & Valvetrain Parts
- Kibblewhite® - Valve Seal KitValve Seal Kit by Kibblewhite®. 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$12.56Availability Varies - Depends on Product Options
- Kibblewhite® - Racing Valve Spring KitRacing Valve Spring Kit by Kibblewhite®. 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...Valvetrain and custom engineered components are second to noneYou are purchasing product that has been engineered by a company that's been doing so for 79 years and 2 generations$133.79 - $187.03Availability Varies - Depends on Product Options
- Wiseco® - Valve Adjustment Shim KitValve Adjustment Shim Kit by Wiseco®. 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$67.70In Stock - Ships within 24 hrs
- Bronco ATV® - ValveValve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a longer...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$6.66 - $16.72Availability Varies - Depends on Product Options
- Bronco ATV® - ValveValve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a longer...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$8.31 - $14.95In Stock - Ships within 24 hrs
- Hot Cams® - ValveValve by Hot Cams®. 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 using...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$18.47 - $55.51In Stock - Ships within 24 hrs
- Hot Cams® - Valve ShimsValve Shims by Hot Cams®. 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$9.24 - $10.17In Stock - Ships within 24 hrs
- ProX® - ValveValve 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 using...Carefully developed for the highest level of qualityReady to serve reliably for years to come$21.42 - $39.99Availability Varies - Depends on Product Options
- Vesrah® - ValveValve by Vesrah®. 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 using...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$15.61Availability Varies - Depends on Product Options
- Wiseco® - Train ValveTrain Valve by Wiseco®. 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...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$27.72 - $37.23Availability Varies - Depends on Product Options
- ProX® - Valve ShimValve Shim 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 using...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$8.43 - $9.28In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09024E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$12.03In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09008E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$12.95In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09021E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$13.88In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09003E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$14.07In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09032E)Exhaust Valve (AU-09032E) by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$16.72In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09157E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$12.95In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09151E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$13.88In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09028E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$14.07In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09013E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$14.07In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09025E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$13.88In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09156E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$14.07In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09017E)Exhaust Valve by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher revs and a...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$16.72In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09006E)Exhaust Valve (AU-09006E) by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$12.95In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09209E)Exhaust Valve (AU-09209E) by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$6.66In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09219E)Exhaust Valve (AU-09219E) by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$15.83In Stock - Ships within 24 hrs
- Bronco ATV® - Exhaust Valve (AU-09210E)Exhaust Valve (AU-09210E) by Bronco ATV®. Performance valves feature a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. this provides reduced friction for quicker/higher...Offering OEM replacement and high performance stainless steel valvesBronco valves meet or exceed OEM quality, with exhaust valves manufactured from SUH35HT stainless steel & intake valves manufactured from SUH3 Steel$11.11In Stock - Ships within 24 hrs
Depending on the type of your engine, it has one or two inlet and outlet valves per cylinder. The first ones open to allow the air/fuel mixture to get into the cylinder and initiate the combustion process, while the other ones are meant to guide exhaust gases away from the engine. Both inlet and outlet valves are engineered to open at a precise time to ensure smooth and efficient operation of your engine. The gap that appears when the valve is opened should also be of correct size, so that the right amount of the mixture enters the cylinder.
When the engine is running, the camshaft rotates and pushes the right valve to open it. To do this, the camshaft must negotiate the resistance of the valve spring which keeps the valve raised (closed). The spring is very strong to ensure no gap exists between the valve and the cylinder when the valve is closed. If it gets damaged, the valve will stay opened as long as the engine is running, which may not only reduce the compression, but also cause damage to the valve, so the failed spring must be replaced as soon as possible.
Each valve is perfectly straight to ensure smooth and easy movements inside the cylinder head. However, overheating, improper timing or a cracked spring may damage or misform the valve, so it will not be able to do its job properly. Since it is next to impossible to fix a bent or damaged valve, the only way to solve the problem is to replace the failed valve. However, if even one of your valves is damaged, it is recommended to replace all the valves in the engine to ensure their even wear.
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