









Parts most people replace while the engine is out — brand new, in original manufacturer packaging. Want fitment confirmed against your build first? Call or text (469) 570-4113
JDM 2006–2009 Honda Civic Si K20A 2.0L DOHC i-VTEC Engine (RBC Head)
Japanese-imported K20A 2.0L DOHC i-VTEC inline-4 with the RBC head, imported directly from Japan. Serial K20A-2517955. The performance-spec motor from the JDM Civic Type R / Civic Si. Approximately 62,000 miles.
What's included
You'll re-use your original electronics, ECU and wiring. Anything else visible in the photos is included unless noted.
Fitment
A popular swap engine; confirm fitment and supporting parts with your mechanic before ordering. Our team is glad to help you check compatibility.
Warranty & returns
This is a performance engine and it carries our 30-day performance-engine warranty and a 30-day return window, not the 90-day start-up warranty that applies to like-for-like replacement engines. Full terms at jdm-online.com/pages/warranty.
JDM Alliance — Dallas, TX
Ships from our Dallas warehouse at 10203 Corkwood Rd, Ste 107, Dallas, TX 75238 — local pickup available. Questions on fitment or freight? Call or text (469) 570-4113, or reach the shop at (972) 494-4900. Imported direct from Japan: no middlemen, real photos, real engines.
Sway Bar
Complete Engines
Complete Engines
shift linkageText your year, make, model & engine code to (469) 570-4113 — fastest response during business hours.
Mon–Fri 9am–6pm · Sat 10am–3pm CT · After hours? Text anyway — we reply first thing.