{"product_id":"small-block-chevy-346-engine-cylinder-heads-ede79949","title":"Cylinder Head E-Cnc 212 GM Gen IIi Ls Complete \u003cbr\u003e Small Block Chevy 346 (5.7L) Engine","description":"\u003cb\u003eDescription:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003eThe Edelbrock 79949 E-CNC Small Block Chevy GEN 3 \u0026amp; 4 LS cylinder head are designed for 1997 \u0026amp; later GEN 3 \u0026amp; 4 LS1\/LS2 Chevy engines including 4.8L, 5.3L, 5.7L \u0026amp; 6.0L. The E-CNC Cylinder Head feature fully CNC'd intake ports, combustion chambers and exhaust ports for improved air-flow. Dyno tests proved this head is capable of 457 hp \u0026amp; 438 ft-lbs. of torque. High-quality conical beehive springs are secured with steel retainers and valve locks for performance up to .600 valve lift. Match with any one of Edelbrock's LS series intake manifolds and camshafts for a dyno-proven performance combination. Rocker bolt kit 8597 includes 8 rocker bolts that are shorter than stock to prevent the bolts from protruding into the intake ports. E-CNC 215 head is 50-state street legal.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifics and Features:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eCamshaft Type: Hydraulic Roller\u003c\/li\u003e\n\u003cli\u003eCNC Ported: Yes\u003c\/li\u003e\n\u003cli\u003eConstruction Type: Complete\u003c\/li\u003e\n\u003cli\u003eDeck Thickness: 0.625 IN\u003c\/li\u003e\n\u003cli\u003eEGR Port: No\u003c\/li\u003e\n\u003cli\u003eExhaust Port Location: Standard\u003c\/li\u003e\n\u003cli\u003eExhaust Runner Volume: 76 CCM\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.57 IN\u003c\/li\u003e\n\u003cli\u003eFamily: E-CNC\u003c\/li\u003e\n\u003cli\u003eGuide Material: Manganese Bronze\u003c\/li\u003e\n\u003cli\u003eHorsepower: 400-500 HJ\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 2.02 IN\u003c\/li\u003e\n\u003cli\u003ePush Rod Diameter: (Suggested) 0.3125 IN\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold Individually\u003c\/li\u003e\n\u003cli\u003eRetainer Included: Yes\u003c\/li\u003e\n\u003cli\u003eSeat Angle: Exhaust 45 deg\/Intake 45 DD\u003c\/li\u003e\n\u003cli\u003eSeat Material: Ductile Iron\u003c\/li\u003e\n\u003cli\u003eSeries: E-CNC\u003c\/li\u003e\n\u003cli\u003eValve Angle: 15 DD\u003c\/li\u003e\n\u003cli\u003eValve Lock Material: Steel\u003c\/li\u003e\n\u003cli\u003eValve Spring Diameter: 1.30 IN\u003c\/li\u003e\n\u003cli\u003eValve Spring Maximum Lift: 0.680 IN\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.314961 IN\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Includes:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003eEdelbrock SBC LS1 Cylinder Head\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCompatible With:\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cli\u003e1998-2002,2010-2015 Chevrolet Camaro\u003c\/li\u003e\n\u003cli\u003e1997-2004,2006-2013 Chevrolet Corvette\u003c\/li\u003e\n\u003cli\u003e2001-2004 Avanti II\u003c\/li\u003e\n\u003cli\u003e2004-2006 Pontiac GTO\u003c\/li\u003e\n\u003cli\u003e2006-2009 Chevrolet Trailblazer\u003c\/li\u003e\n\u003cli\u003e2006-2007 Cadillac CTS\u003c\/li\u003e\n\u003cli\u003e2005-2006 Chevrolet SSR\u003c\/li\u003e\n\u003cli\u003e1998-2002 Pontiac Firebird\u003c\/li\u003e\n\u003cli\u003e2009 Pontiac G8\u003c\/li\u003e\n\u003cli\u003e2014-2017 Chevrolet SS\u003c\/li\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52773699682667,"sku":"EDE-79949","price":1641.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1961\/1987\/files\/EDE-79949-1.jpg?v=1768814912","url":"https:\/\/caautoparts.com\/products\/small-block-chevy-346-engine-cylinder-heads-ede79949","provider":"CA Auto Parts","version":"1.0","type":"link"}