{"title":"K20 Engine","description":"\u003cp\u003eThe \u003cstrong\u003eK20 engine\u003c\/strong\u003e is one of Honda’s most popular performance engines, known for its high-revving capability, reliability, and VTEC power. Whether you're researching specs or looking for a \u003cstrong\u003eK20 engine for sale\u003c\/strong\u003e, this engine is a top choice for replacements, upgrades, and performance builds.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eK20 engine\u003c\/strong\u003e is part of Honda’s K-series lineup and is widely used in performance-oriented vehicles like the Civic Si, Civic Type R, and Acura RSX. It offers a strong balance of power, efficiency, and durability, making it ideal for both daily driving and motorsport applications.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Specs\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Type:\u003c\/strong\u003e DOHC Inline-4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Size:\u003c\/strong\u003e 2.0L\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Gasoline\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Aluminum block \u0026amp; head with i-VTEC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance:\u003c\/strong\u003e 150–220 HP (depending on variant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003ePerformance \u0026amp; Benefits\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-revving VTEC performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStrong reliability and durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent for engine swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide aftermarket support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eK20 engine\u003c\/strong\u003e is commonly used in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHonda Civic (Si \/ Type R)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAcura RSX\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHonda Integra\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eK20 Engine for Sale\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eWe offer \u003cstrong\u003eK20 engines for sale\u003c\/strong\u003e that are:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLow mileage JDM imports\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully tested and inspected\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClean and ready for installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAvailable with fast nationwide shipping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/allstarjdm.com\/pages\/contact\"\u003eContact us\u003c\/a\u003e today to check availability and secure your \u003cstrong\u003eK20 engine\u003c\/strong\u003e for your vehicle or performance project.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"jdm-k20a-honda-engine-2-0l-acura-rsx-base-02-04-dohc-civic-si-ep3-02-05-i-vtec","title":"2002-2005 Honda Civic Si EP3 JDM K20A Motor | 2.0L Inline-4 DOHC i-VTEC Engine K20A3","description":"\u003ctable data-path-to-node=\"8\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,0,0\"\u003e\u003cb data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\"\u003eEngine Code\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,1,0\"\u003eK20A (JDM i-VTEC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,0,0\"\u003e\u003cb data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,1,0\"\u003e2.0 Liter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,0,0\"\u003e\u003cb data-path-to-node=\"8,3,0,0\" data-index-in-node=\"0\"\u003eConfiguration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,1,0\"\u003eInline 4-Cylinder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,0,0\"\u003e\u003cb data-path-to-node=\"8,4,0,0\" data-index-in-node=\"0\"\u003eValve Train\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,1,0\"\u003eDOHC 16-Valve i-VTEC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,0,0\"\u003e\u003cb data-path-to-node=\"8,5,0,0\" data-index-in-node=\"0\"\u003eBlock Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,1,0\"\u003eAluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,0,0\"\u003e\u003cb data-path-to-node=\"8,6,0,0\" data-index-in-node=\"0\"\u003eHorsepower\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,1,0\"\u003eApprox. 160hp (Base)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,0,0\"\u003e\u003cb data-path-to-node=\"8,7,0,0\" data-index-in-node=\"0\"\u003eCompression Ratio\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,1,0\"\u003e9.8:1 to 11.5:1 (Depending on Trim)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis engine serves as a direct or high-performance replacement for the following North American models:\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eHonda Civic Si (Hatchback):\u003c\/b\u003e 2002, 2003, 2004, 2005 (EP3 Chassis)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eAcura RSX (Base \u0026amp; Type-S):\u003c\/b\u003e 2002–2006\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eJDM to USDM Installation \u0026amp; Swap Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003eTo ensure 100% compatibility and maintain your vehicle's drivability and emissions compliance, professional Honda technicians recommend the following \"External Swap\" steps:\u003c\/p\u003e\n\u003col start=\"1\" data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eIntake \u0026amp; Exhaust Manifolds:\u003c\/b\u003e You \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"32\"\u003emust\u003c\/b\u003e transfer your original \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"60\"\u003eUSDM Intake Manifold and Exhaust Manifold\u003c\/b\u003e. JDM versions often have different vacuum port layouts and lack specific sensors required for North American OBDII compliance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eWiring Harness:\u003c\/b\u003e Always retain and use your original \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"52\"\u003eUSDM Engine Wiring Harness\u003c\/b\u003e. JDM harnesses are configured for right-hand drive (RHD) and will not interface with your Civic’s chassis bulkheads or ECU location.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eEngine Sensors:\u003c\/b\u003e Transfer your original \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"39\"\u003eUSDM Camshaft, Crankshaft, and VTEC Sensors\u003c\/b\u003e. Honda electronics are highly sensitive; using your original \"known-good\" sensors prevents intermittent signal issues or Check Engine Light codes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eCoolant Housing:\u003c\/b\u003e Utilize your original USDM water housing to ensure the coolant temperature sensors and hose locations match your factory cooling system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,4,0\"\u003e\u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"0\"\u003eCrank Pulley \u0026amp; Accessories:\u003c\/b\u003e Use your original alternator, A\/C compressor, and power steering pump to ensure perfect belt alignment and electrical connectivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honda","offers":[{"title":"Default Title","offer_id":44265568829497,"sku":"1178","price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/0706\/8473\/files\/IMG_3662_40c7e6f4-57b2-4841-abfb-827742d01403.jpg?v=1775862826"},{"product_id":"acura-rsx-2-0l-jdm-k20a-engine-2002-2006-vtec-motor","title":"2002–2006 Acura RSX DC5 JDM K20A Motor | 2.0L Inline-4 DOHC i-VTEC Engine K20A3","description":"\u003ctable data-path-to-node=\"8\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,0,0\"\u003e\u003cb data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\"\u003eEngine Code\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,1,1,0\"\u003eK20A (JDM i-VTEC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,0,0\"\u003e\u003cb data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\"\u003eDisplacement\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,2,1,0\"\u003e2.0 Liter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,0,0\"\u003e\u003cb data-path-to-node=\"8,3,0,0\" data-index-in-node=\"0\"\u003eConfiguration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,3,1,0\"\u003eInline 4-Cylinder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,0,0\"\u003e\u003cb data-path-to-node=\"8,4,0,0\" data-index-in-node=\"0\"\u003eValve Train\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,4,1,0\"\u003eDOHC 16-Valve i-VTEC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,0,0\"\u003e\u003cb data-path-to-node=\"8,5,0,0\" data-index-in-node=\"0\"\u003eBlock Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,5,1,0\"\u003eAluminum Alloy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,0,0\"\u003e\u003cb data-path-to-node=\"8,6,0,0\" data-index-in-node=\"0\"\u003eHorsepower\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,6,1,0\"\u003eApprox. 160hp\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,0,0\"\u003e\u003cb data-path-to-node=\"8,7,0,0\" data-index-in-node=\"0\"\u003eTorque\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"8,7,1,0\"\u003e141 - 152 lb-ft\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cp data-path-to-node=\"11\"\u003eThis engine serves as a direct or performance replacement for the following North American models:\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eAcura RSX (Base Model):\u003c\/b\u003e 2002, 2003, 2004, 2005, 2006 (Exact K20A3 replacement)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cb data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eHonda Civic Si (EP3):\u003c\/b\u003e 2002–2005\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eCompatibility Note:\u003c\/b\u003e This is a \u003cb data-path-to-node=\"12,3,0\" data-index-in-node=\"30\"\u003eK-Series\u003c\/b\u003e engine. If you are replacing a K20A3, the JDM K20A (Base) is a straightforward long-block swap.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"13\"\u003e\n\u003ch3 data-path-to-node=\"14\"\u003eJDM to USDM Installation \u0026amp; Swap Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"15\"\u003eTo ensure 100% compatibility and maintain your Acura's electronics and emissions status, professional technicians recommend the following \"External Swap\" steps:\u003c\/p\u003e\n\u003col start=\"1\" data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eIntake \u0026amp; Exhaust Manifolds:\u003c\/b\u003e You \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"32\"\u003emust\u003c\/b\u003e transfer your original \u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"60\"\u003eUSDM Intake Manifold and Exhaust Manifold\u003c\/b\u003e. JDM versions often have different vacuum port layouts and lack specific sensors required for North American OBDII compliance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eWiring Harness:\u003c\/b\u003e Always retain and use your original \u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"52\"\u003eUSDM Engine Wiring Harness\u003c\/b\u003e. JDM harnesses are configured for right-hand drive (RHD) and will not interface with your RSX’s chassis or ECU location.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eEngine Sensors:\u003c\/b\u003e Transfer your original \u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"39\"\u003eUSDM Camshaft, Crankshaft, and VTEC Sensors\u003c\/b\u003e. Honda\/Acura electronics are highly sensitive; using your original \"known-good\" sensors prevents intermittent signal issues or Check Engine Light codes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cb data-path-to-node=\"16,3,0\" data-index-in-node=\"0\"\u003eCoolant Housing:\u003c\/b\u003e Utilize your original USDM water housing to ensure the coolant temperature sensors and hose locations match your factory cooling system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,4,0\"\u003e\u003cb data-path-to-node=\"16,4,0\" data-index-in-node=\"0\"\u003eCrank Pulley \u0026amp; Accessories:\u003c\/b\u003e Use your original alternator, A\/C compressor, and power steering pump to ensure perfect belt alignment and electrical connectivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honda","offers":[{"title":"Default Title","offer_id":44810387423289,"sku":null,"price":799.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/0706\/8473\/files\/IMG_3662_59696aa2-3fa2-4849-9aa9-9576d57c7eea.jpg?v=1775923037"}],"url":"https:\/\/allstarjdm.com\/collections\/k20-engine.oembed","provider":"All Star JDM","version":"1.0","type":"link"}