R18A4
Configuration
I4
Aspiration
Normally Aspirated
Factory Fitment
Civic (FA4, 2006-2011)
Notes
GX
Swaps using the R18A4
Guides mentioning the R18A4
Difficult
1-2 days
Civic Type R 5-Lug Brake and Suspension Conversion for the 1996-2000 Civic (EK)
Easy
15-30 minutes
Honda PGM-FI Fault Code Reading and ECU Reset (OBD0/OBD1/OBD2)
Expert
6-10 hours (excluding paint and parts lead time)
Honda Fit (GE8) JDM 11-Pin Folding, Heated Door Mirror Retrofit
Difficult
6-10 hours
Honda Prelude (4th Gen) Projector Headlight Retrofit
Difficult
4-6 hours
Honda Fit (GE8) LED Taillight and Rear Fog Light Retrofit
Difficult
3-4 hours
Honda Fit (GE8) HomeLink and Ambient Light Retrofit Using an Acura TSX Overhead Console
Moderate
4-6 hours (plus sealant cure time)
DIY Amber City Lights in Honda Headlight Housings
Difficult
3-5 hours
Diagnosing Dead ECT, CMP and Wideband O2 Signals After a K-Series Conversion Harness Swap