PLEASE SELECT FITMENT OPTION ABOVE BEFORE CHECKOUT
We are proud to offer MFactory drop in long 1st gears. These work with your existing OEM Mainshaft, a true direct replacement with huge advantages.
Option 1: 3.07 long ratio 1st gear Fits 1992-2001 USDM Integra B18A/B/B16A/B/B18C **Will not fit 98 spec JDM ITR**
Option 2: 3.07 long ratio 1st gear Fits 1998-2001 JDM Integra Type R (with OEM 4.78 FD) **Only fits 98+ Type R Spec due to the 4.7 final drive and special bearing and collar assembly**
Option 3: 3.083 long ratio 1st gear Fits 1989-2000 Civic L3/S20/S40/D15/D16/Cable/Hydro.