2012 2013 2014 2015 Honda Civic Si 2.4L DOHC i-VTEC Engine JDM K24A K24Z7

Description

Estimated donor mileage: 40,000–65,000 miles.

Compression Tested: This engine was individually compression tested.

Vehicle Specifications

• Engine Code: K24A (RB3 / 3rd Gen JDM Motor)

• Displacement: 2.4 Liter (2,354cc)

• Configuration: Inline 4-Cylinder DOHC 16-Valve

• Valvetrain: i-VTEC (Intelligent Variable Valve Timing)

Vehicle Fitments

• 2012–2015 Honda Civic Si (FB6 Sedan / FG4 Coupe)

Included Parts

• Complete JDM Engine Long Block (Block and Cylinder Head)

• Intake Manifold & Throttle Body

• Fuel Rails & Injectors

• Alternator, AC Compressor, & Power Steering Pump (Bonus items)

• Coil Packs, Spark Plugs & Internal Engine Sensors

Installation & Notes

• USDM Swap: To ensure 100% plug-and-play ECU compatibility, you must transfer all your original USDM accessories to this JDM long block.

• Water Passages: Verify the coolant bypass and water neck locations match your USDM setup; minor swapping of these components may be required.

• Maintenance: We strongly recommend replacing the timing chain tensioner, water pump, and spark plugs before installation.

• Oil: Use 0W-20 or 5W-20 Full Synthetic Motor Oil.

Shipping & delivery

Standard orders are normally handled and processed in 1 business day, Monday through Saturday, after payment is confirmed and product availability has been verified. Estimated carrier transit is 1-2 days after dispatch, with transit days Monday through Saturday. Combined with the 1 handling period above, the estimated total delivery time is 1-3 business days for standard destinations. These are estimates, not guarantees. Oversized or freight shipments, deliveries to Alaska, Hawaii, or U.S. territories, and deliveries requiring carrier appointments may take longer or require a separate quote. See our Shipping Policy.