{"product_id":"edl-60819","title":"RPM 348\/ 409 CHEVY CYLINDER HEAD FLAT TAPPET CAMSHAFT","description":"\u003cp\u003e\u003cstrong\u003eBrand New Edelbrock RPM Cylinder Head for 1958-1965 Chevrolet \"W\" Series 348 \u0026amp; 409 Engines with Hydraulic Flat Tappet Cam (Part #60819). \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Edelbrock #60819 Performer RPM cylinder head is designed for 1958-1965 Chevrolet \"W\" Series 348\/409 big-block applications. The Edelbrock #60819 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eInstallation Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with springs for use in hydraulic flat tappet camshaft applications\u003c\/li\u003e\n\u003cli\u003eOriginal port locations and valve angles for bolt-on convenience\u003c\/li\u003e\n\u003cli\u003eCNC port matched 220cc intake and 115cc exhaust ports for optimum flow and power\u003c\/li\u003e\n\u003cli\u003e1958 348 C.I.D. applications will require modifications to cylinder head (contact Edelbrock tech department for detailed information)\u003c\/li\u003e\n\u003cli\u003eUse Edelbrock head gasket sets\u003c\/li\u003e\n\u003cli\u003eMay be used on 348 engines with valve lifts up to .550\" only\u003c\/li\u003e\n\u003cli\u003eRecommended spark plugs are Champion RC12YC or equivalent 14mm x 3\/4\" reach with flat gasket seat\u003c\/li\u003e\n\u003cli\u003eThese heads will only fit 1958-65 348 C.I.D. \"W\" engines if an Edelbrock #5409, #7159 or stock large port 409 C.I.D. manifold is used\u003c\/li\u003e\n\u003cli\u003eProper cylinder wall notching must be checked to ensure exhaust valve to cylinder clearance\u003c\/li\u003e\n\u003cli\u003eThese heads require custom length (8.65\", 9\") 3\/8\" diameter hardened pushrods. Use Edelbrock #9635 kit or equivalent. \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBare heads will require the use of hardened guide plates; Edelbrock part #9609. \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePrior to installation, it is highly recommended that valve-to-piston clearances are checked and corrected to minimum specs, if necessary. A minimum of 0.100” clearance is recommended for both intake and exhaust.\u003c\/li\u003e\n\u003cli\u003eIf other than stock valve sizes are used, they may not work with the valve pockets in stock pistons, especially if a high lift cam is used. \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe use of aftermarket pistons and\/or custom machining to your pistons may be required. Actual valve-to-piston clearance should be specified by your camshaft manufacturer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Performer RPM\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCamshaft Type: \u003c\/strong\u003eFlat Tappet\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 400-600 HP\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat Angle:\u003c\/strong\u003e Exhaust 45 deg\/Intake 45 deg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Valve Diameter:\u003c\/strong\u003e 2.19 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExhaust Valve Diameter:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e1.72 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Runner Volume:\u003c\/strong\u003e 220 cc\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRocker Stud Diameter:\u003c\/strong\u003e 7\/16\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush Rod Diameter:\u003c\/strong\u003e 0.375 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Angle:\u003c\/strong\u003e 0 deg\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Spring Diameter:\u003c\/strong\u003e 1.55 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Spring Maximum Lift:\u003c\/strong\u003e 0.600 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Stem Diameter:\u003c\/strong\u003e 0.3438 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck Thickness:\u003c\/strong\u003e 9\/16\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eYou can view and download the complete assembly instruction booklet \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003ca style=\"color: rgb(255, 42, 0);\" href=\"https:\/\/southwestspeed.com\/cdn\/shop\/files\/EDL_60819Instructions.pdf\"\u003ehere\u003c\/a\u003e.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"EDL 60819","offers":[{"title":"Default Title","offer_id":50395486126361,"sku":"EDL 60819","price":1628.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0829\/0477\/6985\/files\/EDL_60819.jpg?v=1750261872","url":"https:\/\/southwestspeed.com\/products\/edl-60819","provider":"Southwest Speed","version":"1.0","type":"link"}