{"product_id":"edelbrock-60975","title":"Edelbrock 60975 - Cylinder Head SB Chevrolet Performer RPM E-Tec 170 for Hydraulic Roller Cam Complete (Ea)","description":"\u003cp\u003eEdelbrock 60975 - Cylinder Head SB Chevrolet Performer RPM E-Tec 170 for Hydraulic Roller Cam Complete (Ea)\u003c\/p\u003e\u003cp\u003eCylinder Head - Performer RPM E-TEC 170 - Assembled - 1.940 \/ 1.550 in Valves - 170 cc Intake - 64 cc Chamber - 1.460 in Springs - Straight Plug - Aluminum - Small Block Chevy - Each\u003c\/p\u003e\u003cp\u003eThe Edelbrock #60975 E-Tec cylinder head is replacements for 302, 327, 350 \u0026amp; 400 c.i.d. S\/B Chevy engines with \"Vortec-style\" manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder, promoting a more efficient combustion resulting in more power. This cylinder head includes an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than a cast iron Vortec head, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec head is dual-drilled and will accept 1987-95 center bolt and\/or 1986 \u0026amp; prior perimeter flange mount valve covers and most stock exhaust manifolds. E-Tec 170 head is 50-state street legal.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOut-of-the-Box Bolt-On Performance\u003c\/li\u003e\n\u003cli\u003eWith Straight Plugs\u003c\/li\u003e\n\u003cli\u003eCNC-Matched Intake\/Exhaust Ports in Std Location\u003c\/li\u003e\n\u003cli\u003eThicker Deck Surfaces Than Other Brands\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Retainers Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Seals Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Locks Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Lock Material\u003c\/strong\u003e: \u003cspan\u003eChromoly Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Cover Gasket Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arms Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Studs\/Bolts Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMounting Hardware Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Runner Volume\u003c\/strong\u003e: \u003cspan\u003e170\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHead Casting Number\u003c\/strong\u003e: \u003cspan\u003e31-6097\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGuide Plates Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGuide Plate Material\u003c\/strong\u003e: \u003cspan\u003eChromoly Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e9.025\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Head Gasket Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCombustion Chamber Volume\u003c\/strong\u003e: \u003cspan\u003e64\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAssembled\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValves Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Lock Material\u003c\/strong\u003e: \u003cspan\u003eSteel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGuide Plate Material\u003c\/strong\u003e: \u003cspan\u003eHardened Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConstruction Type\u003c\/strong\u003e: \u003cspan\u003eComplete\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRotor Center Bore Inside Diameter\u003c\/strong\u003e: \u003cspan\u003eStraight\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRGL\u003c\/strong\u003e: \u003cspan\u003eWARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e9040\u003c\/strong\u003e: \u003cspan\u003eD-215-94\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Runner Volume\u003c\/strong\u003e: \u003cspan\u003e70\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Stem Diameter\u003c\/strong\u003e: \u003cspan\u003e0.3438\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePush Rod Diameter\u003c\/strong\u003e: \u003cspan\u003e(Suggested) 0.3125\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRocker Arm Stud Diameter\u003c\/strong\u003e: \u003cspan\u003e0.375\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEGR Port\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFamily\u003c\/strong\u003e: \u003cspan\u003eE-Tec\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: \u003cspan\u003eSold Individually\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHorsepower\u003c\/strong\u003e: \u003cspan\u003e350-450\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Angle\u003c\/strong\u003e: \u003cspan\u003e23\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: \u003cspan\u003eE-Tec\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRetainer Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Diameter\u003c\/strong\u003e: \u003cspan\u003e1.94\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Diameter\u003c\/strong\u003e: \u003cspan\u003e1.55\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Diameter\u003c\/strong\u003e: \u003cspan\u003e1.46\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCNC Ported\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Roller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Spring Maximum Lift\u003c\/strong\u003e: \u003cspan\u003e0.575\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGuide Material\u003c\/strong\u003e: \u003cspan\u003eManganese Bronze\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Port Location\u003c\/strong\u003e: \u003cspan\u003eStandard\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Thickness\u003c\/strong\u003e: \u003cspan\u003e0.625\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeat Angle\u003c\/strong\u003e: \u003cspan\u003eExhaust 45 deg\/Intake 45\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Springs Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":47295579783306,"sku":"EDEL-60975","price":1290.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_060975_v1_normalized.jpg?v=1776717269","url":"https:\/\/www.onlyinstock.com\/products\/edelbrock-60975","provider":"Only In Stock","version":"1.0","type":"link"}