{"product_id":"complete-small-block-chev-327-350-400-220cc-aluminium-cylinder-heads-with-75cc-chamber-pair-2-22-x-1-31-intake-port-1-42-x-1-54-exhaust-port","title":"Aeroflow Complete Small Block Chev 327-350-400 220cc Aluminium Cylinder Heads with 75cc Chamber (Pair) - AF95-2402","description":"\u003cp\u003eSBC 220cc ALUMINIUM HEADS\u003c\/p\u003e\u003cp\u003e2.22\" x 1.31\" Intake Port, 1.42\" x 1.54\" Exhaust Port\u003c\/p\u003e\u003cp\u003e\u003cb\u003ePart Number\u003c\/b\u003e: AF95-2402\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cdiv class=\"value description\" itemprop=\"description\"\u003e \u003cp\u003eThe Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilize ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business. Include valves, valve springs, retainers \u0026amp; locks, guide plates and 7\/16\" rocker studs\u003c\/p\u003e\n\u003cp\u003eThe Aeroflow Performance small block Chevy cylinder heads are designed for street \/ race performance engines to give the ultimate in flow at a competitive price. Made from A356 aluminium castings, these 220cc cylinder heads are ideal for operating in the idle to 7500 rpm range. These complete cylinder heads will fit a 4.000\" bore and larger. The complete heads include larger then stock 2.080\" diameter dual valve spring to handle up to .625\" maximum lift. Suits solid and hydraulic roller camshafts. \u003c\/p\u003e \u003c\/div\u003e\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e: \u003c\/p\u003e\u003cdiv class=\"content-body\"\u003e\n\u003cstrong\u003eHead Specifications\u003c\/strong\u003e \u003cbr\u003e\u003cbr\u003eMaterial:  A356 Aluminium \u003cbr\u003eChamber Chamber:  75cc\u003cbr\u003eIntake Port Volume:  220cc \u003cbr\u003eIntake Port Dimension:  2.22\" x 1.31\"\u003cbr\u003eExhaust Port Volume:  80cc \u003cbr\u003eExhaust Port Dimension:  1.42\" H x 1.54\" W\u003cbr\u003eSpark Plug Location:  Angled \u003cbr\u003eIntake Valve Diameter:  2.08\"\u003cbr\u003eExhaust Valve Diameter:  1.60\"\u003cbr\u003eValve Stem Diameter:  8mm \u003cbr\u003eValve Spring Pocket I.D.:  1.55\" \u003cbr\u003eValve Guide Material:  Bronze\u003cbr\u003eValve Guide O.D.:  .502\" (.560\" at base) \u003cbr\u003eRocker Stud Thread Size: 7\/16\"-14 \u003cbr\u003eValve Angle:  23°\u003cbr\u003eDeck Thickness:  .750\" \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eValve Spring Specifications\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eInstalled Height: 1.990\" \u003cbr\u003eInstalled Pressure: 190lbs \u003cbr\u003eOpen Pressure: 430lbs @ 500\"\u003cbr\u003eMaximum Lift: .750\" @ 1.240\"\u003cbr\u003eCoil Bind: 1.190\" \u003cbr\u003eSpring Outside Diameter: 1.570\" \u003cbr\u003eSpring Inside Diameter: 0.790\" \u003cbr\u003eSpring Free Length: 2.480\" \u003cbr\u003eValve Spring Retainer Outside Diameter: 1.500\" \u003cbr\u003eValve Spring Inside Diameter: 0.465\" \u003cbr\u003eValve Spring Retainer Step 1: 1.120\" \u003cbr\u003eValve Spring Retainer Step 2: 0.705\" \u003cbr\u003eValve Spring Locator Outside Diameter: 1.6100\" \u003cbr\u003eValve Spring Locator Inside Diameter: 0.565\"\u003c\/div\u003e\u003cp\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003eImportant Information\u003c\/strong\u003e\u003c\/span\u003e: \u003c\/p\u003e\u003cdiv class=\"data item content\" aria-labelledby=\"tab-label-product.tab_important_information-title\" id=\"product.tab_important_information\" data-role=\"content\"\u003e \u003cdiv class=\"content-body\"\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT NOTICE:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend to check installed spring seat pressure \u0026amp; open pressure before installing your cylinder heads to make sure the spring pressure is correct for your application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCLEANING:\u003c\/strong\u003eAeroflow thoroughly cleaned your cylinder heads prior to dispatch. The heads were washed in a water-soluble chemical agitation tank and blown out with high-pressure air three to four times before being packaged.\u003c\/p\u003e\n\u003cp\u003eDuring certain machining operations, however, small metal particles can become lodged in the water jackets and may dislodge during transit. Please note that a single chip approximately the size of a 10-cent coin can fragment into many smaller particles, which may make the situation appear more significant than it is.\u003c\/p\u003e\n\u003cp\u003eIt is not uncommon, when applying high-pressure air to the water jackets, for additional debris to be expelled. Aeroflow recommends thoroughly blowing out the cylinder heads prior to installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Aeroflow","offers":[{"title":"Default Title","offer_id":49001556738275,"sku":"AF95-2402","price":3266.9,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/wksv4iddu2kfqeyftswq.jpg?v=1779456102","url":"https:\/\/fastlanespares.co.nz\/products\/complete-small-block-chev-327-350-400-220cc-aluminium-cylinder-heads-with-75cc-chamber-pair-2-22-x-1-31-intake-port-1-42-x-1-54-exhaust-port","provider":"Fast Lane Spares","version":"1.0","type":"link"}