FF TRANSMISSIONS HELICAL CUT K SERIES FINAL DRIVE 4.0 K20&K24

Helical cut ratio 4.0

Needs use Honda Si bearing 4.7

Direct fitment final drive for street cars. Increasing strength at the most affordable price point on the market.

With much bigger teeth, stronger forged metal that is heat treated, cryo treated and shot peened, these final drives are strong and work great on the street cars with todays technology.