{"product_id":"proflow-cylinder-head-airmax-180-intake-kit-manifold-airmax-aluminium-black-square-bore-for-chevrolet-small-block","title":"Proflow Cylinder Head AirMax 180 \u0026 Intake Kit, Manifold, AirMax, Aluminium, Black Square Bore, For Chevrolet, Small Block - PFEM7501-BK-HEADS","description":"\u003cp\u003e\u003cb\u003ePart Number\u003c\/b\u003e: PFEM7501-BK-HEADS\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eProflow Cylinder Heads \u0026amp; Intake Manifold Kit\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cem\u003eKit Includes Proflow Aluminium Cyl Heads,  Proflow Intake Manifold, Valve Covers , Intake Gaskets , Intake Bolts \u003c\/em\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eProflow Cylinder Heads\u003c\/strong\u003e do not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of Engine, for SB \u0026amp; BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302,351 Cleveland 2V \u0026amp; 3V \u0026amp; BB FE, and Chrysler SB \u0026amp; BB, phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.\u003c\/p\u003e\r\n\r\n\u003cp\u003eSpecifications:\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\t\u003cli\u003eCylinder Head Material: A356 Aluminium\u003c\/li\u003e\r\n\t\u003cli\u003eCombustion chamber: 64cc\u003c\/li\u003e\r\n\t\u003cli\u003eIntake Runner Volume: 180cc \u003c\/li\u003e\r\n\t\u003cli\u003eExhaust Runner Volume: 70cc \u003c\/li\u003e\r\n\t\u003cli\u003eIntake Valve Diameter (in): 2.020 in.\u003c\/li\u003e\r\n\t\u003cli\u003eExhaust Valve Diameter (in): 1.600 in. \u003c\/li\u003e\r\n\t\u003cli\u003eMaximum Valve Lift (in): 0.575 in. \u003c\/li\u003e\r\n\t\u003cli\u003eLock Style: 7 degree \u003c\/li\u003e\r\n\t\u003cli\u003eValve Stem Seal Style: Viton seal \u003c\/li\u003e\r\n\t\u003cli\u003eGuide plate Pushrod Size: 5\/16 in.\u003c\/li\u003e\r\n\t\u003cli\u003eRocker Stud: 7\/16\"-24\u003c\/li\u003e\r\n\t\u003cli\u003eValve Cover Mounting Style: Perimeter bolt\u003c\/li\u003e\r\n\t\u003cli\u003eValve Angle: 23 degree \u003c\/li\u003e\r\n\t\u003cli\u003eValve Guide Material: Manganese bronze \u003c\/li\u003e\r\n\t\u003cli\u003eValve Seat Machine Style: 3-angle \u003c\/li\u003e\r\n\t\u003cli\u003eValve Seat Material: Powder metallurgy \u003c\/li\u003e\r\n\t\u003cli\u003eOiling Style: Through pushrod\u003c\/li\u003e\r\n\t\u003cli\u003eNumber of Springs Per Valve: Dual\u003c\/li\u003e\r\n\t\u003cli\u003eValve Spring Style: Standard\u003c\/li\u003e\r\n\t\u003cli\u003eOutside Diameter of Outer Spring: 1.470 in.\u003c\/li\u003e\r\n\t\u003cli\u003eSpring install height: 1.79 in. @ 130lbs \u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eMaximum Valve Lift (in): 0.575 in.@ 300lbs\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eProflows AirMax intake manifold\u003c\/strong\u003e for propular V8 engines features improved technology and design that keeps the air\/fuel mixture cooler all the way to the cylinder heads. The open air space from the AirMax design separates the runners from the heat of the lifter-valley cover. The runners are tuned to move the power band 1,000 rpm higher over the original AirDuel manifolds to 1500-6500 rpm.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eProflow's premium covers\u003c\/strong\u003e feature stout diecast aluminium construction with thick gasket rails to resist unwanted oil leaks. They're available in your black powder coat and have the Chevrolet name in white lasered on.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eFelpro Intake Gasket : \u003c\/strong\u003eFel-1205\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eARP Intake Bolt Kit :  \u003c\/strong\u003eARP-134-2001\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e","brand":"VPW","offers":[{"title":"Default Title","offer_id":43983731884259,"sku":"PFEM7501-BK-HEADS","price":3307.5,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/PFEM7501-BK-HEADS_8f61dc3b-8a05-42f6-9f54-17353bbb0d44.jpg?v=1775534489","url":"https:\/\/fastlanespares.co.nz\/products\/proflow-cylinder-head-airmax-180-intake-kit-manifold-airmax-aluminium-black-square-bore-for-chevrolet-small-block","provider":"Fast Lane Spares","version":"1.0","type":"link"}