{"product_id":"dart-da127122-chev-327-350-400-shp-cylinder-heads-sold-individually","title":"DART DA127122 - Chev 327 350 400 SHP Cylinder Heads Sold Individually","description":"\u003cdiv\u003e\n\u003cstrong\u003eDart - DAR127122 Chev 327, 350, 400 SHP Cylinder Heads\u003c\/strong\u003eThese Dart SHP Special High Performance cylinder heads are designed to provide an affordable option to those looking for the weight savings of aluminum heads for a performance street engine. They are manufactured from A356-T6 aluminum and are designed to work with most off-the-shelf components. These SHP cylinder heads are available with your choice of 64cc or 72cc combustion chambers and come in both 180cc and 200cc intake runner ports that are precision-cast and designed to offer excellent flow and power without the need for CNC-machined porting. They feature optimized chambers for increased combustion efficiency and multi-angle intake seats. The cylinder heads' radiused exhaust seats dramatically increase their performance and the manganese bronze valve guides increase their life.Cylinder Head Style:Assembled \u003cdiv\u003eCylinder Head Material:Aluminum\u003c\/div\u003e  \u003cdiv\u003eCylinder Head Finish:Natural\u003c\/div\u003e  \u003cdiv\u003eCombustion Chamber Volume (cc):64\u003c\/div\u003e  \u003cdiv\u003eCNC-Machined Combustion Chamber:No\u003c\/div\u003e  \u003cdiv\u003eIntake Runner Volume (cc):180cc\u003c\/div\u003e  \u003cdiv\u003eExhaust Runner Volume (cc):75cc\u003c\/div\u003e  \u003cdiv\u003eCNC-Machined Intake Runner:No\u003c\/div\u003e  \u003cdiv\u003eCNC-Machined Exhaust Runner:No\u003c\/div\u003e  \u003cdiv\u003eCombustion Chamber Style:Heart\u003c\/div\u003e  \u003cdiv\u003eIntake Port Location:Standard\u003c\/div\u003e  \u003cdiv\u003eExhaust Port Shape:Square\u003c\/div\u003e  \u003cdiv\u003eExhaust Port Location:Standard\u003c\/div\u003e  \u003cdiv\u003eSpark Plug Style:Straight\u003c\/div\u003e  \u003cdiv\u003eIntake Valves Included:Yes\u003c\/div\u003e  \u003cdiv\u003eIntake Valve Diameter (in):2.020 in.\u003c\/div\u003e  \u003cdiv\u003eExhaust Valves Included:Yes\u003c\/div\u003e  \u003cdiv\u003eExhaust Valve Diameter (in):1.600 in.\u003c\/div\u003e  \u003cdiv\u003eValve Springs Included:Yes\u003c\/div\u003e  \u003cdiv\u003eMaximum Valve Lift (in):0.620 in.\u003c\/div\u003e  \u003cdiv\u003eOutside Diameter of Outer Spring (in):1.437 in.\u003c\/div\u003e  \u003cdiv\u003eDamper Spring Included:No\u003c\/div\u003e  \u003cdiv\u003eNumber of Springs Per Valve:Dual\u003c\/div\u003e  \u003cdiv\u003eRetainers Included:Yes\u003c\/div\u003e  \u003cdiv\u003eRetainer Material:Steel\u003c\/div\u003e  \u003cdiv\u003eLocks Included:Yes\u003c\/div\u003e  \u003cdiv\u003eLock Style:7 degree\u003c\/div\u003e  \u003cdiv\u003eValve Stem Seals Included:Yes\u003c\/div\u003e  \u003cdiv\u003eValve Stem Seal Style:Umbrella\u003c\/div\u003e  \u003cdiv\u003eRocker Arm Studs Included:Yes\u003c\/div\u003e  \u003cdiv\u003eRocker Arm Nut Thread Size:3\/8-24 in.\u003c\/div\u003e  \u003cdiv\u003eRocker Arms Included:No\u003c\/div\u003e  \u003cdiv\u003eRocker Arm Nuts Included:No\u003c\/div\u003e  \u003cdiv\u003eGuideplates Included:Yes\u003c\/div\u003e  \u003cdiv\u003eGuideplate Pushrod Size:5\/16 in.\u003c\/div\u003e  \u003cdiv\u003eValve Cover Mounting Style:Center and perimeter bolt\u003c\/div\u003e  \u003cdiv\u003eAccessory Bolt Holes Drilled:Yes\u003c\/div\u003e  \u003cdiv\u003eIntake Valve Angle:23\u003c\/div\u003e  \u003cdiv\u003eExhaust Valve Angle:23\u003c\/div\u003e  \u003cdiv\u003eValve Guides Included:Yes\u003c\/div\u003e  \u003cdiv\u003eValve Guide Material:Manganese bronze\u003c\/div\u003e  \u003cdiv\u003eValve Seats Machined:Yes\u003c\/div\u003e  \u003cdiv\u003eValve Seat Machine Style:5-angle intake\/2-angle exhaust\u003c\/div\u003e  \u003cdiv\u003eValve Seat Material:Powdered metal\u003c\/div\u003e  \u003cdiv\u003eSteam Holes Drilled:No\u003c\/div\u003e  \u003cdiv\u003eOiling Style:Through pushrod\u003c\/div\u003e  \u003cdiv\u003eMachined for O-Ring:No\u003c\/div\u003e  \u003cdiv\u003eHeat Crossover:No\u003c\/div\u003e  \u003cdiv\u003eQuantity:Sold individually.\u003c\/div\u003e  \u003cdiv\u003eNotes:Hydraulic roller of solid flat tappet applications.\u003c\/div\u003e \u003c\/div\u003e \u003cbr\u003e\u003cbr\u003e","brand":"Dart","offers":[{"title":"Default Title","offer_id":44697552650551,"sku":"DA127122","price":1066.8,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/69382.jpg?v=1780380164","url":"https:\/\/enginemaster.com.au\/products\/dart-da127122-chev-327-350-400-shp-cylinder-heads-sold-individually","provider":"Engine Master","version":"1.0","type":"link"}