The MFactory Dual-Bend Shifter is crafted to withstand competition standards. Equip your car with a strong, reliable shifter to help decrease your times at the track.

- Made of Carbon-Steel, not Aluminum which is prone to snapping and excessive vibration
- Dual-Bend design places your shift knob at the OEM position
- Reduces your shifting throw by as much as 30%

Just like our close ratio gears, the MFactory final drive gears are also cut from the same high quality fully Carburized Forged Nickel-Chromoly Steel while also benefiting from our proprietary heat treatment process. As a result, we are proud to offer enthusiasts the best final drive gears on the market today.

By changing your final gear ratios, you can experience a dramatic increase in acceleration throughout the rev-range, giving you on average, a 15% increase in torque at any given speed over the OEM Final Drive. Infact, on a USDM Integra Type-R with stock 4.4 Final Drive, when driving along at 57mph, you will have an extra 38whp on tap with our 4.928 Final Drive!

PRO Series: Designed for high-horsepower applications
B16A2 Fitments: Will not fit models equipped with Factory LSD
Cable Fitments: Will not fit models equipped with Factory LSD. 92-93 YS1 transmissions should use B16A2 fitments
'98 Spec Fitments: Designed for the '98 Spec Integra Type-R with Factory 4.785 Final Drive
H22A Fitments: Will not fit Prelude 97-01 SH Models or Prelude Models equipped with Factory LSD. Will fit JDM Euro-R T2W4.

Achieve the ultimate in acceleration with the MFactory Close Ratio Gears. Diamond Cut to exacting tolerances from fully Carburized Forged Nickel-Chromoly Steel and put through our own proprietary heat treatment process, you will not find a stronger, more reliable product on the market. Our special treatment process makes our gears several times stronger & tougher than OEM Gears and are specifically designed to endure the demanding requirements of high-power track/drag cars.

After installing our gears, you will experience a phenomenal increase in acceleration despite a lower top speed.

Specification (B16A/18C):
3rd - 1.625 or 1.695
4th - 1.296 or 1.384 (Slight modification required to transmission casing when installing 1.384)
5th - 1.000 or 1.130 or 1.210

Specification (B16A/18C Pro): As requested by our large number of drag racing customers, we are proud to offer our pro-series gear set for the B-Series transmission, designed to withstand high-horsepower boosted applications! A highly recommended upgrade for those running 500hp+

By keeping our gears synchronous engagement, our gears are a direct swap for your oem gears with no further parts required for installation and, unlike a dog transmission, are suitable for a daily driver.

1st - 3.070 (MF-TRS-01B. Optional)
2nd - Re-use OEM 2nd gear
3rd - 1.430 (Straight Cut)
4th - 1.100 (Straight Cut)

Specification (L13/15 FIT/Jazz):
3rd - 1.285
4th - 1.030
5th - 0.886

Specification (D15/16):
3rd - 1.565
4th - 1.250 (OEM 3rd Gear)
5th - 1.000

Please Note: D15/16 kit consists of 3rd and 5th gear only. Stock 3rd gear can be reused as 4th gear (Slight modification required).

B16A/18C Forged 3.070 1st Gear: As used by several top NHRA contenders, providing a consistent 0.2sec reduction in 60ft times and proven to withstand 750+ horsepower! If used in conjunction with our Close Gear Sets, this will offer you a true 1st-5th close gear setup. Will not fit JDM B18C '98 Spec

4 Piston Racing offers precision installation of any gear set that is purchased through us or MFactory. Assembling a transmission with the proper tolerances is as important as the tolerances used when assembling your engine. Don't let someone slap your transmission together without the proper tools and know-how.