{"product_id":"pacemaker-ph5367-tri-y-performance-headers-vy-series-2-wk-series-2-5-7l-ls1","title":"Pacemaker | 1⅝\" Tri-Y Performance Headers | VY Series II \u0026 WK Series II 5.7L LS1 | PH5367 L\/R VY Series 2","description":"\u003ch2\u003ePacemaker Tri-Y Performance Headers - VY Series II \/ WK Series II 5.7L LS1 Gen III V8 - PH5367 L\/R VY Series 2\u003c\/h2\u003e\n\u003cp\u003eEnhance the performance and sound of your Gen III V8 with the Pacemaker PH 5367 Tri-Y Performance Headers. Specifically engineered for the Holden VY Series II Commodore and WK Series II Statesman\/Caprice, these headers are a vital upgrade for the 5.7 Litre LS1 engine. This specific kit includes the necessary Oxygen Sensor Wiring Loom Extensions required for the Series II electrical configuration. The Tri-Y design is optimized to increase exhaust scavenging, resulting in improved low-to-mid range torque and overall horsepower. Constructed with mandrel-bent 1⅝\" (41mm) primary pipes and 1⅞\" (48mm) secondaries, these headers ensure smooth, unrestricted exhaust flow. Whether your vehicle is a daily driver or a high-performance build, these Australian-made headers offer a precise bolt-on fit for both manual and automatic transmissions.\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cp\u003eThis product offers the following performance features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLS1 Optimized:\u003c\/strong\u003e Designed specifically for the 5.7 Litre Gen III LS1 V8 engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Extensions Included:\u003c\/strong\u003e Comes with Oxygen Sensor wiring extensions required for VY Series II and WK Series II models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified Ready:\u003c\/strong\u003e Engineered to support modified engines and supercharged applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTri-Y Design:\u003c\/strong\u003e Pulse-matched design to maximize exhaust gas velocity and scavenging efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Build:\u003c\/strong\u003e Mandrel-bent 1⅝\" (41mm) primary and 1⅞\" (48mm) secondary pipes for superior flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Clearance:\u003c\/strong\u003e Designed to maintain factory clearance for Power Steering and Air Conditioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"font-family: Arial, sans-serif; max-width: 100%; padding: 20px; border: 1px solid #ccc; border-radius: 5px; font-size: 14px; margin-bottom: 20px;\"\u003e\n\u003cstrong\u003eProduct Specifications for PH 5367\u003c\/strong\u003e\n\u003cdiv style=\"width: 100%; overflow-x: auto; margin-top: 10px;\"\u003e\n\u003ctable style=\"min-width: 800px; border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f0f0f0; border-bottom: 2px solid #333;\"\u003e\n\u003cth style=\"padding: 10px 5px; text-align: left; white-space: nowrap;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 10px 5px; text-align: left; white-space: nowrap;\"\u003eValue\u003c\/th\u003e\n\u003cth style=\"padding: 10px 5px; text-align: left; white-space: nowrap;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding: 10px 5px; text-align: left; white-space: nowrap;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #f9f9f9; font-weight: bold; white-space: nowrap;\"\u003ePart #\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003ePH 5367\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #f9f9f9; font-weight: bold; white-space: nowrap;\"\u003eGasket\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003eDSF 138\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #ffffff; font-weight: bold; white-space: nowrap;\"\u003ePrimary Pipe\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003e1⅝\" (41mm)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #ffffff; font-weight: bold; white-space: nowrap;\"\u003eSecondary Pipe\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003e1⅞\" (48mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #f9f9f9; font-weight: bold; white-space: nowrap;\"\u003eOutlet\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003e2½\" (63mm)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #f9f9f9; font-weight: bold; white-space: nowrap;\"\u003eOxy Sensor\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #ffffff; font-weight: bold; white-space: nowrap;\"\u003eP\/Steering\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; background-color: #ffffff; font-weight: bold; white-space: nowrap;\"\u003eFitting Time\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 5px; white-space: nowrap;\"\u003e2½ Hrs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eImportant Notes:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific Fitment:\u003c\/strong\u003e This kit is specifically for VY Series II and WK Series II. If you have a VT-VY Series I, VZ, or 6.0L LS2 model, alternative part numbers are required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAWD Exclusion:\u003c\/strong\u003e This product will not fit All Wheel Drive (AWD) models (Adventra\/Cross 8). Refer to PH 5366 for AWD applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModified Engines:\u003c\/strong\u003e Designed to accommodate supercharged or heavily modified LS1 applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe image shown may not reflect the actual product\u003c\/li\u003e\n\u003cli\u003eShipping times may vary depending on destination and stock availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Applications:\u003c\/h3\u003e\n\u003cdiv style=\"width: 100%; overflow-x: auto; margin-top: 10px;\"\u003e\n\u003ctable style=\"min-width: 1100px; border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f0f0f0; border-bottom: 2px solid #333;\"\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eFrom\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eTo\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eBody\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eSeries\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eEngine\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eVariant\u003c\/th\u003e\n\u003cth style=\"padding: 10px 15px; text-align: left; white-space: nowrap;\"\u003eDrivetrain\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eHolden\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eCommodore \/ Crewman \/ Monaro\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003e2003\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003e2004\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eSedan \/ Ute \/ Coupe\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eVY Series II \/ V2\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003e5.7L LS1 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eManual \u0026amp; Automatic\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eHolden\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eStatesman \/ Caprice\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003e2003\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003e2004\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eSedan\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eWK Series II\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003e5.7L LS1 V8\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eManual \u0026amp; Automatic\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; white-space: nowrap; vertical-align: middle;\"\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.warranty-table-wrapper { overflow-x: auto; margin: 20px 0; }\n.warranty-table { width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; min-width: 400px; }\n.warranty-table th { background-color: #111; color: #fff; text-align: left; padding: 12px; }\n.warranty-table td { padding: 12px; border-bottom: 1px solid #ddd; }\n.warranty-table tr:nth-child(even) { background-color: #f9f9f9; }\n.warranty-title { font-size: 18px; font-weight: bold; margin-bottom: 10px; font-family: Arial, sans-serif; margin-top: 25px; }\n\u003c\/style\u003e\n\u003cdiv class=\"warranty-title\"\u003eWarranty Information\u003c\/div\u003e\n\u003cdiv style=\"width: 100%; overflow-x: auto; margin-top: 10px;\"\u003e\n\u003ctable class=\"warranty-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 12px; text-align: left; background-color: #111; color: #fff;\"\u003eProduct\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left; background-color: #111; color: #fff;\"\u003eWarranty Period\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003ePacemaker Headers\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003eTwo (2) years.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003ePacemaker King Brown 4x4 Exhaust systems\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003eFive (5) years.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003ePacemaker Sports exhaust systems\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003eFive (5) years.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003eFabrication products and accessories\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-bottom: 1px solid #ddd;\"\u003eOne (1) year.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003ePayment \u0026amp; Security:\u003c\/strong\u003e\u003cbr\u003eYour payment information is processed securely. We do not store credit card details nor have access to your credit card information.\u003c\/p\u003e","brand":"Pacemaker Headers","offers":[{"title":"Default Title","offer_id":40444400894034,"sku":"PH5367 L\/R VY Series 2","price":1210.39,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/7718\/9458\/files\/PH5367L_9b1607d8-395c-4980-88b2-fbb49b434620.png?v=1778591288","url":"https:\/\/fastautoparts.com.au\/products\/pacemaker-ph5367-tri-y-performance-headers-vy-series-2-wk-series-2-5-7l-ls1","provider":"Fast Auto Parts Australia","version":"1.0","type":"link"}