Shop online for your new RV6 Performance FK8 Upgraded Helical 4th Gear and get the perfect fit right away. All of the RV6 Performance FK8 Upgraded Helical 4th Gear offered have color-fast designs and a 3D-cut so they are designed to stay the shape they are in and never fade. The RV6 Performance FK8 Upgraded Helical 4th Gear are dedicated to excellence and values, so you can be sure to get the item that matches your identity.
- FEA Design & Optimization
- REM Polished
- Fully Machined Billet
- Case Hardened For Strength
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Originally developed for endurance racing teams, the RV6 CTR helical 4th gear is finally available to the public. Bottom line: it has survived the rigors of endurance racing, it will almost certainly handle whatever you throw at it. RV6 spent the last 3 years testing and refining to arrive at a product that can take serious abuse. These gears feature a strong helical profile with increased contact area. Lower tooth count and larger teeth allow the gears to handle more torque and shock load.
As you know, 4th gear is the weak link in the FK8’s transmission. It is usually the first failure point in high power applications.
- 2017-2021 Honda Civic Type-R
- Ratio 1.176:1 (STOCK 1.125:1)