RV6 FK8 Upgraded Helical 4th Gear

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Originally developed for endurance racing teams. The RV6 FK8 helical 4th gear is finally available to the public. We have spent the last 3 years testing and refining the design and materials to take the abuse.

  • $599.00
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NOT LEGAL FOR USE ON POLLUTION CONTROLLED MOTOR VEHICLES. THIS PRODUCT IS FOR RACING COMPETITION ONLY AND IS NOT LEGAL FOR USE ON HIGHWAY OR STREET VEHICLES, OR OTHER NON-RACING COMPETITION OFF-ROAD VEHICLES.

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This policy only applies to installers and/or users who are in the United States, customers who reside in other countries should act in accordance with their local laws and regulations.

Some RV6 Performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions (such as a CARB E.O.). For state specific details please visit the following website: http://www.semasan.com/emissions

It is the responsibility of the installer and/or user of the product to ensure that it is used in compliance with all applicable laws and regulations. If a product was purchased in error, do not install and/or use it. The purchaser must arrange to return the product(s) for a full refund.

All performance modifications and installations are at the customer’s own risk. RV6 Performance holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products.

In stock (Due to current COVID-19 situation, orders are taking longer to process.)
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Originally developed for endurance racing teams. The RV6 FK8 helical 4th gear is finally available to the public. We have spent the last 3 years testing and refining the design and materials to take the abuse.  These gears feature an extremely strong helical profile with more contact area. The lower tooth count and larger teeth allows these gears to handle more torque and shock load. As most of you know 4th gear is the weak link in the FK8 transmission. It is usually the first failure point in high power applications.


Features:
-Ratio 1.176:1 (STOCK 1.125:1)
-FEA design and optimization
-REM Polished
-Fully machined billet|
-Case hardened for wear resistance and toughness

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