Honda Civic Transmission Guide
B-series Cable Transmission Specifications
Transmission 1st 2nd 3rd 4th 5th
Engine Counter Part Reverse Final
Name Gear Gear Gear Gear Gear
Y1; Y1 w/LSD JDM B16A SiR I 3.166 2.052 1.416 1.103 0.87 3 4.266
USDM B17A1; JDM
YS1 3.307 2.105 1.458 1.107 0.848 3 4.4
B16A X-Si w/LSD
S1/J1 JDM B16A X-Si 3.23 2.105 1.458 1.107 0.848 3 4.4
S1/YS1/A1 USDM B18A 3.166 1.857 1.259 0.935 0.742 3 4.4
B-series Hydraulic Transmission Specifications
1st 2nd 3rd 4th 5th
Transmission Name Engine Counter Part Reverse Final
Gear Gear Gear Gear Gear
USDM B16A2, B16A3;
S4C/Y21 JDM SiR2, JDM SiR2 3.23 2.105 1.458 1.107 0.848 3 4.4
w/LSD
JDM B16B w/LSD; JDM
Y80/S80 3.23 2.105 1.458 1.107 0.848 3 4.4
B18C 96-spec R w/LSD
Y80/S80 B18B 3.23 1.9 1.269 0.966 0.714 3 4.266
S80/Y80; S80 w/LSD,
JDM B18C SiR-G 3.23 1.9 1.36 1.034 0.787 3 4.4
Y80 w/LSD
S80 w/LSD JDM B18C Spec-R 3.23 2.105 1.458 1.034 0.787 3 4.785
Y80 USDM B18C1 3.23 1.9 1.36 1.034 0.787 3 4.4
S80 w/LSD USDM B18C5 3.23 2.105 1.458 1.107 0.848 3 4.4
S80 w/LSD EDM B18C Spec-R 3.23 2.105 1.458 1.034 0.787 3 4.785
D-series Cable Transmission Specifications
Transmission Engine Counter 2nd 4th 5th
1st Gear 3rd Gear Reverse Final
Name Part Gear Gear Gear
L3 88-91 HF 3.250 1.650 1.033 0.823 0.694 2.954 3.880
L3 88-91 DX 3.250 1.894 1.259 0.937 0.771 3.153 3.880
L3 88-91 Si 3.250 1.894 1.259 0.937 0.771 3.153 4.25
L3 JDM Integra ZXi 3.250 1.894 1.346 1.033 0.771 3.153 4.437
L3 JDM DOHC ZC 3.250 1.944 1.250 0.909 0.878 3.153 3.880
USDM D16A1
L3* 3.181 1.944 1.347 1.033 0.823 3.153 4.216
Integra
* NOTE: Will not fit 88-91 D-blocks
D-series Hydraulic Transmission Specifications
Transmission 1st 2nd 3rd 4th 5th
Engine Counter Part Reverse Final
Name Gear Gear Gear Gear Gear
92-95 Civic CX/VX
P20/A000 3.250 1.761 1.066 0.853 0.702 3.153 3.250
D15B8/D15Z1
92-95 Civic DX/LX
P20/A000 3.250 1.762 1.172 0.909 0.702 3.153 4.058
D15B7
P20/B000 92-95 Civic EX D16Z6 3.250 1.900 1.250 0.909 0.702 3.153 4.250
92-95 Civic Si / 93-95
P20/B000 3.250 1.900 1.250 0.909 0.750 3.153 4.250
del Sol Si D16Z6
92-95 JDM Civic VTi
PL3/A000 3.250 1.900 1.250 0.909 0.750 3.153 4.250
EG4D15B
PL3/B000 96-00 D16Y5 3.250 1.782 1.172 0.909 0.702 3.153 3.722
96-00 D16Y7 Civic
PL3/B000 3.250 1.762 1.172 0.909 0.702 3.153 4.058
DX/LX/CX
PL3/A000 96-00 Civic EX D16Y8 3.250 1.909 1.250 0.909 0.702 3.153 4.250
K-series Transmission Specifications
Transmission Engine Counter 1st 2nd 3rd 4th 5th
Reverse Final
Name Part Gear Gear Gear Gear Gear
RSX Base, EP3
2.684 1.500 0.984 0.733 0.571  - ?? 4.389
Civic Si K20A3
Integra DC5
3.270 2.130 1.520 1.150 0.920 0.720 ?? 4.389
K20A2
04+ CRV K24 3.533 1.880 1.212 0.921 0.738  - ?? 4.765
Information Compiled from many sources including Honda Swap and ClubCivic.