{"id":119184,"date":"2024-08-08T14:41:45","date_gmt":"2024-08-08T19:41:45","guid":{"rendered":"https:\/\/engineswapdepot.com\/?p=119184"},"modified":"2024-08-08T14:41:45","modified_gmt":"2024-08-08T19:41:45","slug":"4piston-racing-builds-a-honda-k24-for-endurance-racing","status":"publish","type":"post","link":"https:\/\/engineswapdepot.com\/?p=119184","title":{"rendered":"4Piston Racing Builds a Honda K24 for Endurance Racing"},"content":{"rendered":"<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=119190\" rel=\"attachment wp-att-119190\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"119190\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=119190\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?fit=1600%2C1008&amp;ssl=1\" data-orig-size=\"1600,1008\" data-comments-opened=\"1\" data-image-title=\"4Piston Racing Builds a Honda K24 for Endurance Racing 01\" data-image-description=\"&lt;p&gt;K24 endurance motor built by 4Piston Racing&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?fit=1200%2C756&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?resize=600%2C378&#038;ssl=1\" alt=\"K24 endurance motor built by 4Piston Racing\" width=\"600\" height=\"378\" class=\"alignnone size-medium wp-image-119190\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?resize=600%2C378&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?resize=1200%2C756&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?resize=768%2C484&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?resize=1536%2C968&amp;ssl=1 1536w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/4pistonracing.com\">4Piston Racing<\/a> built an upgraded version of their <a href=\"https:\/\/4pistonracing.com\/products\/4pr-k24-k400\">K24-K400<\/a> motor for a customer competing in 3-hour and 6-hour endurance racing. The engine build starts with a ductile iron sleeved block, lightweight Winberg crankshaft, Saenz Performance titanium rods, and lightweight short-skirt Wiseco pistons. On top goes a ported &#8220;Pro 163&#8221; 400 cfm head with 4Piston RR4 billet camshafts and PAC valve springs. Lubrication is provided by a 4Piston ported oil pump. Luke Wilson from 4Piston Racing estimates the engine is good for approximately 380 hp. Watch the engine be built in the video below.  <\/p>\n<p><iframe loading=\"lazy\" width=\"600\" height=\"338\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/R1YCzuTIlMM?si=d43ohLlaI0sEi1B7\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=119191\" rel=\"attachment wp-att-119191\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"119191\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=119191\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?fit=1600%2C1046&amp;ssl=1\" data-orig-size=\"1600,1046\" data-comments-opened=\"1\" data-image-title=\"4Piston Racing Builds a Honda K24 for Endurance Racing 02\" data-image-description=\"&lt;p&gt;K24 endurance motor built by 4Piston Racing&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?fit=1200%2C785&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?resize=600%2C392&#038;ssl=1\" alt=\"K24 endurance motor built by 4Piston Racing\" width=\"600\" height=\"392\" class=\"alignnone size-medium wp-image-119191\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?resize=600%2C392&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?resize=1200%2C785&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?resize=768%2C502&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?resize=1536%2C1004&amp;ssl=1 1536w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-02.jpg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=119192\" rel=\"attachment wp-att-119192\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"119192\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=119192\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?fit=1600%2C989&amp;ssl=1\" data-orig-size=\"1600,989\" data-comments-opened=\"1\" data-image-title=\"4Piston Racing Builds a Honda K24 for Endurance Racing 03\" data-image-description=\"&lt;p&gt;K24 endurance motor built by 4Piston Racing&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?fit=1200%2C742&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?resize=600%2C371&#038;ssl=1\" alt=\"K24 endurance motor built by 4Piston Racing\" width=\"600\" height=\"371\" class=\"alignnone size-medium wp-image-119192\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?resize=600%2C371&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?resize=1200%2C742&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?resize=768%2C475&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?resize=1536%2C949&amp;ssl=1 1536w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-03.jpg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=119193\" rel=\"attachment wp-att-119193\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"119193\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=119193\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?fit=1600%2C1143&amp;ssl=1\" data-orig-size=\"1600,1143\" data-comments-opened=\"1\" data-image-title=\"4Piston Racing Builds a Honda K24 for Endurance Racing 04\" data-image-description=\"&lt;p&gt;K24 endurance motor built by 4Piston Racing&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?fit=1200%2C857&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?resize=600%2C429&#038;ssl=1\" alt=\"K24 endurance motor built by 4Piston Racing\" width=\"600\" height=\"429\" class=\"alignnone size-medium wp-image-119193\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?resize=600%2C429&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?resize=1200%2C857&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?resize=768%2C549&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?resize=1536%2C1097&amp;ssl=1 1536w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-04.jpg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=119194\" rel=\"attachment wp-att-119194\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"119194\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=119194\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?fit=1600%2C1096&amp;ssl=1\" data-orig-size=\"1600,1096\" data-comments-opened=\"1\" data-image-title=\"4Piston Racing Builds a Honda K24 for Endurance Racing 05\" data-image-description=\"&lt;p&gt;K24 endurance motor built by 4Piston Racing&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?fit=1200%2C822&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?resize=600%2C411&#038;ssl=1\" alt=\"K24 endurance motor built by 4Piston Racing\" width=\"600\" height=\"411\" class=\"alignnone size-medium wp-image-119194\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?resize=600%2C411&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?resize=1200%2C822&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?resize=768%2C526&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?resize=1536%2C1052&amp;ssl=1 1536w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-05.jpg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/engineswapdepot.com\/?attachment_id=119195\" rel=\"attachment wp-att-119195\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"119195\" data-permalink=\"https:\/\/engineswapdepot.com\/?attachment_id=119195\" data-orig-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?fit=1600%2C1046&amp;ssl=1\" data-orig-size=\"1600,1046\" data-comments-opened=\"1\" data-image-title=\"4Piston Racing Builds a Honda K24 for Endurance Racing 06\" data-image-description=\"&lt;p&gt;K24 endurance motor built by 4Piston Racing&lt;\/p&gt;\n\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?fit=1200%2C785&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?resize=600%2C392&#038;ssl=1\" alt=\"K24 endurance motor built by 4Piston Racing\" width=\"600\" height=\"392\" class=\"alignnone size-medium wp-image-119195\" srcset=\"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?resize=600%2C392&amp;ssl=1 600w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?resize=1200%2C785&amp;ssl=1 1200w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?resize=768%2C502&amp;ssl=1 768w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?resize=1536%2C1004&amp;ssl=1 1536w, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-06.jpg?w=1600&amp;ssl=1 1600w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><\/p>\n<p>Source: <a href=\"https:\/\/www.youtube.com\/@4pistonracing\">4Piston Racing<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>4Piston Racing built an upgraded version of their K24-K400 motor for a customer competing in 3-hour and 6-hour endurance racing. The engine build starts with a ductile iron sleeved block, lightweight Winberg crankshaft, Saenz Performance titanium rods, and lightweight short-skirt Wiseco pistons. On top goes a ported &#8220;Pro 163&#8221; 400 cfm head with 4Piston RR4&hellip;&nbsp;<a href=\"https:\/\/engineswapdepot.com\/?p=119184\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">4Piston Racing Builds a Honda K24 for Endurance Racing<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":119190,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[865],"tags":[],"class_list":["post-119184","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-k24"],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2024\/08\/4Piston-Racing-K24-endurance-motor-01.jpg?fit=1600%2C1008&ssl=1","jetpack-related-posts":[{"id":138854,"url":"https:\/\/engineswapdepot.com\/?p=138854","url_meta":{"origin":119184,"position":0},"title":"Tegiwa&#8217;s Toyota GT86 with a 4Piston K24","author":"swaptastic","date":"September 30, 2025","format":false,"excerpt":"Tegiwa purchased a JDM-spec Toyota GT86 with 300,000 km (186,411 miles) on the odometer. The company used their experience in racing and Honda performance to rebuild the coupe for rally. In the engine bay Tegiwa replaced the tired factory 2.0 L FA20 flat-four for a 2.5 L Honda K24 inline-four\u2026","rel":"","context":"In &quot;86&quot;","block_context":{"text":"86","link":"https:\/\/engineswapdepot.com\/?cat=129"},"img":{"alt_text":"Toyota GT86 with a 4Piston K24 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/09\/Tegiwa-Toyota-GT86-with-a-4Piston-K24-inline-four-01.jpg?fit=1080%2C1080&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/09\/Tegiwa-Toyota-GT86-with-a-4Piston-K24-inline-four-01.jpg?fit=1080%2C1080&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/09\/Tegiwa-Toyota-GT86-with-a-4Piston-K24-inline-four-01.jpg?fit=1080%2C1080&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/09\/Tegiwa-Toyota-GT86-with-a-4Piston-K24-inline-four-01.jpg?fit=1080%2C1080&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/09\/Tegiwa-Toyota-GT86-with-a-4Piston-K24-inline-four-01.jpg?fit=1080%2C1080&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":130099,"url":"https:\/\/engineswapdepot.com\/?p=130099","url_meta":{"origin":119184,"position":1},"title":"1200+ hp Honda K24 Build Video","author":"swaptastic","date":"April 7, 2025","format":false,"excerpt":"4Piston Racing offers their K24-KT1200 crate motor for SFWD and Outlaw Class competitors. The motor is capable of 1200+ hp (894+ kW) with 60 psi (4.1 bar) of boost. It features a 4Piston rigid ductile iron sleeves, GRP rods, Diamond Outlaw pistons, and ACL race bearings. On top is a\u2026","rel":"","context":"In &quot;K24&quot;","block_context":{"text":"K24","link":"https:\/\/engineswapdepot.com\/?cat=865"},"img":{"alt_text":"4Piston Racing Honda K24-KT1200 crate motor","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/04\/4Piston-Racing-Honda-K24-KT1200-motor-build-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/04\/4Piston-Racing-Honda-K24-KT1200-motor-build-01.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/04\/4Piston-Racing-Honda-K24-KT1200-motor-build-01.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/04\/4Piston-Racing-Honda-K24-KT1200-motor-build-01.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/04\/4Piston-Racing-Honda-K24-KT1200-motor-build-01.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":104146,"url":"https:\/\/engineswapdepot.com\/?p=104146","url_meta":{"origin":119184,"position":2},"title":"4Piston Racing&#8217;s 2.5 L USAC Race Motor","author":"swaptastic","date":"August 23, 2023","format":false,"excerpt":"Greg Jones from Engine Builder visited 4Piston Racing in Danville, Indiana to talk with co-owner Luke Wilson about their USAC Midget race engine. The naturally aspirated 2.52 L motor features a 99 mm stroke, 90 mm bore, and produces around 400 hp with a 15:1 compression ratio. It uses a\u2026","rel":"","context":"In &quot;K-Series&quot;","block_context":{"text":"K-Series","link":"https:\/\/engineswapdepot.com\/?cat=594"},"img":{"alt_text":"4Piston Racing's 2.5 L K-series race motor","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/08\/4Piston-Racings-2.5-L-K-series-race-motor-01.jpg?fit=1024%2C877&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/08\/4Piston-Racings-2.5-L-K-series-race-motor-01.jpg?fit=1024%2C877&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/08\/4Piston-Racings-2.5-L-K-series-race-motor-01.jpg?fit=1024%2C877&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/08\/4Piston-Racings-2.5-L-K-series-race-motor-01.jpg?fit=1024%2C877&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":78953,"url":"https:\/\/engineswapdepot.com\/?p=78953","url_meta":{"origin":119184,"position":3},"title":"Toyota MR2 with a 2.5 L Honda K24","author":"swaptastic","date":"November 9, 2021","format":false,"excerpt":"Eric Hux from Hux Racing owns a unique 1993 Toyota MR2. The car was powered by a 2.4 L K20\/K24 inline-four sitting on Hux Racing's mounts. The motor made 286 hp and 206 lb-ft of torque. Earlier this year Eric upgraded to a 4Piston K24-K400 inline-four. The new 2.5 L\u2026","rel":"","context":"In &quot;MR2&quot;","block_context":{"text":"MR2","link":"https:\/\/engineswapdepot.com\/?cat=139"},"img":{"alt_text":"Toyota MR2 built by Hux Racing with a 2.5 L K24 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/11\/Hux-Racing-Toyota-MR2-with-a-2.5-L-K24-inline-four-01.jpg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/11\/Hux-Racing-Toyota-MR2-with-a-2.5-L-K24-inline-four-01.jpg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/11\/Hux-Racing-Toyota-MR2-with-a-2.5-L-K24-inline-four-01.jpg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/11\/Hux-Racing-Toyota-MR2-with-a-2.5-L-K24-inline-four-01.jpg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2021\/11\/Hux-Racing-Toyota-MR2-with-a-2.5-L-K24-inline-four-01.jpg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":135086,"url":"https:\/\/engineswapdepot.com\/?p=135086","url_meta":{"origin":119184,"position":4},"title":"Lotus Elise with a 4Piston Racing K24 at Sonoma Raceway","author":"swaptastic","date":"July 24, 2025","format":false,"excerpt":"Julien Plougastel and his 2005 Lotus Elise visited Sonoma Raceway for some track time. The sports car is powered by a 2.4 L Honda K24 inline-four swapped by a TrackSpec Autosports in California. 4Piston Racing built the motor with 13.5:1 compression pistons, ported TSX head, RR4 camshafts, and upgraded Ferrea\u2026","rel":"","context":"In &quot;Elise&quot;","block_context":{"text":"Elise","link":"https:\/\/engineswapdepot.com\/?cat=260"},"img":{"alt_text":"2005 Lotus Elise with a Honda K24 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/07\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-08.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/07\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-08.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/07\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-08.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/07\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-08.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2025\/07\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-08.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":108388,"url":"https:\/\/engineswapdepot.com\/?p=108388","url_meta":{"origin":119184,"position":5},"title":"Lotus Elise with a 4Piston Racing K24","author":"swaptastic","date":"December 4, 2023","format":false,"excerpt":"Julien Plougastel enjoys driving his 2005 Lotus Elise at the track. Last year it was converted to Honda-powered thanks to TrackSpec Autosports in California. In the back of the car is a 2.4 L Honda K24 inline-four built by 4Piston Racing. The motor features their 13.5:1 compression pistons, ported TSX\u2026","rel":"","context":"In &quot;Elise&quot;","block_context":{"text":"Elise","link":"https:\/\/engineswapdepot.com\/?cat=260"},"img":{"alt_text":"2005 Lotus Elise with a Honda K24 inline-four","src":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/12\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/12\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/12\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/12\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/engineswapdepot.com\/wp-content\/uploads\/2023\/12\/2005-Lotus-Elise-with-a-Honda-K24-inline-four-01.jpg?fit=1200%2C1200&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/119184","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=119184"}],"version-history":[{"count":7,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/119184\/revisions"}],"predecessor-version":[{"id":119197,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/posts\/119184\/revisions\/119197"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=\/wp\/v2\/media\/119190"}],"wp:attachment":[{"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=119184"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=119184"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineswapdepot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=119184"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}