{"product_id":"manta-holden-extractor-kit-hq-hz-454-big-block-chev-51mm-2-bolt-flange","title":"Manta | Extractor Kit 51mm 2 Bolt Flange | Holden HQ–HZ Kingswood Premier GTS 454 V8 Sedan Ute Panel Van 1971–1980","description":"\u003ch2\u003ePerformance Extractor Kit 51mm 2 Bolt Flange – Suits Holden HQ–HZ Kingswood, Premier, GTS 454 V8 Sedan, Ute, Panel Van (1971–1980)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eInstall big-block power on your classic Holden with Manta’s 51mm Extractor Kit. Designed for HQ–HZ series Kingswood, Premier, and GTS with 454 V8, this kit features 2 bolt flanges and heavy-duty construction. Note: DIY fitment – some modifications and welding may be required.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"font-family: lucida sans unicode;\"\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eStainless Steel Systems\u003c\/strong\u003e – 10 years\u003cbr\u003e\u003cstrong\u003eAluminised Systems\u003c\/strong\u003e – 2 years\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eWhy Manta?\u003c\/h2\u003e\n\u003cp\u003eManta is known for uncompromising build quality and engineering excellence. Designed and manufactured in Australia, every system reflects years of development, testing, and innovation—built to outperform, proven both off-road and on the street.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Built:\u003c\/strong\u003e 51mm primary pipes, 2 bolt flange – for maximum flow on 454 V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-duty construction for classic Holden durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct fit for HQ–HZ Kingswood, Premier, GTS V8 (DIY installation – may require mods)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Manta\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number (SKU):\u003c\/strong\u003e MKHN0466\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e Extractor Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Size:\u003c\/strong\u003e 51mm, 2 Bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy Duty Steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVehicle Fitment Information\u003c\/h2\u003e\n\u003ctable style=\"border: 2px solid black; border-collapse: collapse; width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eBody\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid black;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eHolden\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eKingswood, Premier, GTS\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003e1971–1980\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eSedan\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003e454 V8 HQ–HZ Sedan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eHolden\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eKingswood, Premier, GTS\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003e1971–1980\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003eUte, Panel Van\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid black;\"\u003e454 V8 HQ–HZ Ute \u0026amp; Panel Van\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis system is a DIY kit. Some modifications and welding may be required to fit your application.\u003c\/li\u003e\n\u003cli\u003eProduct images are for illustration purposes only and may differ slightly from the actual product supplied.\u003c\/li\u003e\n\u003cli\u003eLead times may vary depending on stock availability and warehouse location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePayment \u0026amp; Security\u003c\/h2\u003e\n\u003cp\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":"Manta","offers":[{"title":"Default Title","offer_id":45695354044578,"sku":"MKHN0466","price":946.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/1112\/4898\/files\/Manta_MKFD0072_ce8c5f9e-d04f-4e5f-8aac-91b795c26cac.png?v=1758843639","url":"https:\/\/nationaltowbars.com.au\/products\/manta-holden-extractor-kit-hq-hz-454-big-block-chev-51mm-2-bolt-flange","provider":"National Towbars Australia","version":"1.0","type":"link"}