The tables below highlight the gear ratios and information about where to source the transmission.
B-series Transmission Specs
Transmission Name
Engine Counter Part
1st Gear
2nd Gear
3rd Gear
4th Gear
5th Gear
Reverse
Final Drive
S1/J1
JDM B16A X-Si
3.230
2.105
1.458
1.107
0.848
3.000
4.400
Y1; Y1 w/LSD
JDM B16A SiR I
3.166
2.052
1.416
1.103
0.870
3.000
4.266
S4C/Y21
USDM B16A2, B16A3; JDM SiR2, JDM SiR2 w/LSD
3.230
2.105
1.458
1.107
0.848
3.000
4.400
Y80/S80
JDM B16B w/LSD; JDM B18C 96-spec R w/LSD
3.230
2.105
1.458
1.107
0.848
3.000
4.400
YS1
USDM B17A1; JDM B16A X-Si w/LSD
3.307
2.105
1.458
1.107
0.848
3.000
4.400
S1/YS1/A1
USDM B18A
3.166
1.857
1.259
0.935
0.742
3.000
4.400
Y80/S80
B18B
3.230
1.900
1.269
0.966...
- Sticky