BF GEARS K SERIES HD FINAL DRIVE (Custom Ratios)

BF GEARS K SERIE HD final drives for use in EXTREME duty racecars.

Available in multiple reduction ratios these BF GEAR final drives are STRONG and fit OEM as well as aftermarket Synchro/Dog gearboxes.

Available in straightcut and helical cuts. We recommend the helical options up to around 1000WHP, and straightcut for anything above that power level.

* In addition to those listed below, Custom order 3.78, 5.0, 5.1 are available in straight or helical cut profiles.

NOTE: Final drive countershaft/pinion uses bearing : Honda PN: 91003-PPS-003 ("Small" bearing)