MFACTORY PRO SERIES - HONDA CIVIC B-SERIES B16A2 Y21 S4C FINAL DRIVE GEARS - 4.0 exterior and plenum volume changes via

and plenum volume changes via the use of our separately sold spacers

low-profile oil cap and low-profile moutning bolt kit

5th Gear: 0

ProS II Coilovers offer rideheight adjustments as low as three inches for an aggressive and sporty appearance

After installing Infinitude gears

MFACTORY PRO SERIES - HONDA CIVIC B-SERIES B16A2 Y21 S4C FINAL DRIVE GEARS - 4.0 exterior and plenum volume changes viaTake your performance to the next level with the MFactory PRO Series Gears. Recognizing the demand for transmission components that can withstand the extreme shock loads produced during Drag Racing, MFactory Competition Products are proud to offer our range of top tier competition level gears. Final drive gears are cut from high quality fully carburized forged nickel chromoly steel while also benefitting from a proprietary heat treatment process. As a