R-series
R18Z6
R18Z6 SOHC i-VTEC
Displacement
1.8L (1799 cc)
Configuration
Inline-4
Power
141 PS (104 kW; 139 hp) @ 6500 rpm
Torque
174 Nm (128 lb-ft) @ 4300 rpm
Compression
10.6:1
Bore × Stroke
81.0 mm x 87.3 mm
Valvetrain
SOHC i-VTEC (chain-driven cam)
Aspiration
Naturally aspirated
Fuel System
PGM-FI
OBD
OBD2
Years
2013-2017
Factory Fitment
Honda Jade
Notes
R18 tune used in the Honda Jade compact MPV.
Swaps using the R18Z6
Guides mentioning the R18Z6
Difficult
2-3 days
JDM B18C (Integra Type R) Engine Swap into an EG Civic
Moderate
2-3 hours
S2000 Steering Wheel Install into a 5th Gen Prelude (SRS Airbag Wheel Swap)
Moderate
3-4 hours
Installing an S2000 Engine Start Button in a 5th-Gen Honda Prelude
Moderate
3-4 hours
OEM Acura TL HID (D2R) Conversion for JDM H4H Headlamps
Easy
15-30 minutes
Honda PGM-FI Fault Code Reading and ECU Reset (OBD0/OBD1/OBD2)
Expert
3 weeks (including engine bay respray and certification)
H22A Prelude Engine Swap into an EG Civic
Expert
4-6 days (can be split into stages)
Honda Prelude JDM Digital Climate Control (DCC) Conversion
Expert
6-10 hours (excluding paint and parts lead time)
Honda Fit (GE8) JDM 11-Pin Folding, Heated Door Mirror Retrofit
Difficult
8-12 hours (plus paint and sealant cure time)
Honda Fit (GK) Halogen-to-Projector Headlight Retrofit
Easy
30-45 minutes
Honda Fit Adhesive Door Sill Cover Installation
Difficult
6-10 hours
Honda Prelude (4th Gen) Projector Headlight Retrofit
Moderate
2-3 hours
Honda Fit (GD): Build a JDM-Style LED Third Brake Light