{"product_id":"dart-da10311112p-chev-sb-iron-eagle-cylinder-heads-200cc-intake-64cc-chamber-w-1-437-dual-springs-each","title":"DART DA10311112P Chev SB Iron Eagle Cylinder Heads 200cc Intake 64cc Chamber w\/ 1.437\" Dual Springs (each)","description":"\u003cp\u003eDart Iron Eagle 23° 180cc cylinder heads are an affordable alternative to more expensive Aluminum heads. These 180cc heads out perform many larger heads in a wide range of applications. Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats and hardened and radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eAssemblies include:\u003c\/strong\u003e Stainless Steel valves, premium springs, locks, retainers, studs, guide plates and seals.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e \u003cstrong\u003eMaterial:\u003c\/strong\u003e High Nickel 220 BHN Cast Iron\u003cbr\u003e \u003cstrong\u003eValve Angle:\u003c\/strong\u003e 23° (stock)\u003cbr\u003e \u003cstrong\u003eIntake Port Volume:\u003c\/strong\u003e 200cc\u003cbr\u003e \u003cstrong\u003eIntake Valve:\u003c\/strong\u003e 2.020\"\u003cbr\u003e \u003cstrong\u003eExhaust Valve:\u003c\/strong\u003e 1.600\"\u003cbr\u003e \u003cstrong\u003eChamber Volume:\u003c\/strong\u003e 64\u003cbr\u003e \u003cstrong\u003ePlug Type:\u003c\/strong\u003e Angle\u003c\/p\u003e \u003cbr\u003e\u003cbr\u003e\u003cul\u003e  \u003cli\u003eCombustion Chamber Volume (cc):64\u003c\/li\u003e  \u003cli\u003eIntake Runner Volume (cc):200cc\u003c\/li\u003e  \u003cli\u003eExhaust Runner Volume (cc):75cc\u003c\/li\u003e  \u003cli\u003eCylinder Head Style:Assembled\u003c\/li\u003e  \u003cli\u003eCylinder Head Material:Cast iron\u003c\/li\u003e  \u003cli\u003eIntake Port Shape:Rectangular\u003c\/li\u003e  \u003cli\u003eIntake Valve Diameter (in):2.020 in.\u003c\/li\u003e  \u003cli\u003eCylinder Head Finish:Natural\u003c\/li\u003e  \u003cli\u003eCNC-Machined Combustion Chamber:No\u003c\/li\u003e  \u003cli\u003eCNC-Machined Intake Runner:No\u003c\/li\u003e  \u003cli\u003eCNC-Machined Exhaust Runner:No\u003c\/li\u003e  \u003cli\u003eIntake Port Location:Standard\u003c\/li\u003e  \u003cli\u003eExhaust Port Shape:Square\u003c\/li\u003e  \u003cli\u003eExhaust Port Location:Standard\u003c\/li\u003e  \u003cli\u003eSpark Plug Style:Angle\u003c\/li\u003e  \u003cli\u003eIntake Valves Included:Yes\u003c\/li\u003e  \u003cli\u003eExhaust Valves Included:Yes\u003c\/li\u003e  \u003cli\u003eExhaust Valve Diameter (in):1.600 in.\u003c\/li\u003e  \u003cli\u003eValve Springs Included:Yes\u003c\/li\u003e  \u003cli\u003eMaximum Valve Lift (in):0.620 in.\u003c\/li\u003e  \u003cli\u003eOutside Diameter of Outer Spring (in):1.437 in.\u003c\/li\u003e  \u003cli\u003eDamper Spring Included:No\u003c\/li\u003e  \u003cli\u003eNumber of Springs Per Valve:Dual\u003c\/li\u003e  \u003cli\u003eRetainers Included:Yes\u003c\/li\u003e  \u003cli\u003eRetainer Material:Steel\u003c\/li\u003e  \u003cli\u003eLocks Included:Yes\u003c\/li\u003e  \u003cli\u003eLock Style:10 degree\u003c\/li\u003e  \u003cli\u003eValve Stem Seals Included:Yes\u003c\/li\u003e  \u003cli\u003eValve Stem Seal Style:Positive stop\u003c\/li\u003e  \u003cli\u003eRocker Arm Studs Included:Yes\u003c\/li\u003e  \u003cli\u003eRocker Arm Nut Thread Size:3\/8-24 in.\u003c\/li\u003e  \u003cli\u003eRocker Arms Included:No\u003c\/li\u003e  \u003cli\u003eRocker Arm Nuts Included:No\u003c\/li\u003e  \u003cli\u003eGuideplates Included:Yes\u003c\/li\u003e  \u003cli\u003eGuideplate Pushrod Size:5\/16 in.\u003c\/li\u003e  \u003cli\u003eValve Cover Mounting Style:Center and perimeter bolt\u003c\/li\u003e  \u003cli\u003eAccessory Bolt Holes Drilled:Yes\u003c\/li\u003e  \u003cli\u003eValve Guides Included:Yes\u003c\/li\u003e  \u003cli\u003eValve Guide Material:Manganese bronze intake\/Phosphorous bronze exhaust\u003c\/li\u003e  \u003cli\u003eValve Seats Machined:Yes\u003c\/li\u003e  \u003cli\u003eValve Seat Machine Style:5-angle\u003c\/li\u003e  \u003cli\u003eValve Seat Material:Ductile iron\u003c\/li\u003e  \u003cli\u003eSteam Holes Drilled:No\u003c\/li\u003e  \u003cli\u003eOiling Style:Through pushrod\u003c\/li\u003e  \u003cli\u003eMachined for O-Ring:No\u003c\/li\u003e  \u003cli\u003eHeat Crossover:No\u003c\/li\u003e  \u003cli\u003eQuantity:Sold individually.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Dart","offers":[{"title":"Default Title","offer_id":44600564613431,"sku":"DA10311112P","price":1032.6,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/69366.jpg?v=1780355172","url":"https:\/\/enginemaster.com.au\/products\/dart-da10311112p-chev-sb-iron-eagle-cylinder-heads-200cc-intake-64cc-chamber-w-1-437-dual-springs-each","provider":"Engine Master","version":"1.0","type":"link"}