FF TRANSMISSIONS HELICAL CUT K SERIES FINAL DRIVE K20&K24 V2

Power Handling: Rated up to 650 HP (V2) for high-horsepower street cars, daily drivers, and light track builds.

Tooth Profile: Helical Cut (angled teeth). Unlike straight-cut/dog gears that whine loudly, helical cuts run quietly and retain just above factory-like noise levels for comfortable street driving.

Gear Tooth Strength: Features significantly larger teeth compared to OEM to withstand heavy torque loads without stripping under high horsepower.

Material & Treatments:

Forged metal construction

Heat treated

Cryo treated

Shot peened to relieve surface stress and maximize fatigue resistance.

Fitment Note: Requires the Honda OEM 4.7 Countershaft Needle Bearing (Part # 91003-PPP-004 / Civic Si 4.7 FD bearing) for installation.

Target Application: Direct-fitment street cars up to 650 HP. Not intended for dedicated, high-shock drag-only race cars.