{"product_id":"aeroflow-af37-1001-3-8-16-header-bolts-1-uhl-hex-head-pack-of-12","title":"Aeroflow AF37-1001 3\/8-16\" Header Bolts 1\" UHL Hex Head, Pack of 12","description":"\u003cp\u003eWhen installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Aeroflow header bolts are made from Grade 8 steel for strength. They are coated in a black oxide for protection and long-lasting durability. Each hex head is designed to take a 7\/16\" spanner size. This compact hex head is ideal for use where space is minimal on most aftermarket header flanges.\u003c\/p\u003e \u003cbr\u003e\u003cbr\u003e\u003cul\u003e  \u003cli\u003eSold as a set of 12.\u003c\/li\u003e  \u003cli\u003eThread size : 3\/8-16\"\u003c\/li\u003e  \u003cli\u003eOverall Length : 34.7mm\u003c\/li\u003e  \u003cli\u003eUnder Head Length : 25mm\u003c\/li\u003e \u003c\/ul\u003e","brand":"Aeroflow Performance Products","offers":[{"title":"Default Title","offer_id":44639585960247,"sku":"AF37-1001","price":17.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/10674.jpg?v=1780867901","url":"https:\/\/enginemaster.com.au\/products\/aeroflow-af37-1001-3-8-16-header-bolts-1-uhl-hex-head-pack-of-12","provider":"Engine Master","version":"1.0","type":"link"}