{"product_id":"edelbrock-e-street-bbc-oval-port-cylinder-head-290cc-each-50459","title":"Edelbrock E-Street Oval Port Cylinder Head — Big-Block Chevy 396-502 | 290cc Intake, 110cc Chamber, 2.19\/1.88 Valves | 50459","description":"\u003cp\u003eThe Edelbrock 50459 is an E-Street aluminum oval port cylinder head for Mark IV big-block Chevrolet V8s: 396, 402, 427, 454 and 502. It has as-cast ports, 290 cc intake runners, 110 cc combustion chambers, 2.19 in intake and 1.88 in exhaust valves, and a 26 degree valve angle. It comes complete with valves, springs and retainers for flat tappet camshafts and is designed for an operating range of idle to 5,500 RPM. Sold as a single head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSold individually; order two for a V8.\u003c\/li\u003e\n\u003cli\u003eValve springs: 1.50 in diameter, 0.700 in maximum lift.\u003c\/li\u003e\n\u003cli\u003eUses 7\/16 in pushrods and 7\/16 in rocker studs, with hardened steel guide plates.\u003c\/li\u003e\n\u003cli\u003eHorsepower range: 400-500 HP.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Edelbrock\u003c\/li\u003e\n\u003cli\u003ePart Number: 50459\u003c\/li\u003e\n\u003cli\u003ePart Type: Engine Cylinder Head\u003c\/li\u003e\n\u003cli\u003eSeries: E-Street\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum\u003c\/li\u003e\n\u003cli\u003eIntake Valve Diameter: 2.19 in\u003c\/li\u003e\n\u003cli\u003eValve Angle: 26 Degree\u003c\/li\u003e\n\u003cli\u003eIntake Runner Volume: 290 cc\u003c\/li\u003e\n\u003cli\u003eGuide Plate Material: Hardened Steel\u003c\/li\u003e\n\u003cli\u003eCamshaft Type: Flat Tappet\u003c\/li\u003e\n\u003cli\u003eHorsepower: 400-500 HP\u003c\/li\u003e\n\u003cli\u003eSeat Angle: Exhaust 45 deg\/Intake 45 deg\u003c\/li\u003e\n\u003cli\u003ePushrod Diameter: 0.4375 (7\/16) in\u003c\/li\u003e\n\u003cli\u003eRocker Stud Diameter: 0.4375 (7\/16) in\u003c\/li\u003e\n\u003cli\u003eValve Spring Diameter: 1.50 in\u003c\/li\u003e\n\u003cli\u003eValve Spring Maximum Lift: 0.700 in\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.3438 in\u003c\/li\u003e\n\u003cli\u003eCombustion Chamber Volume: 110 cc\u003c\/li\u003e\n\u003cli\u003eRetainer Included: Yes\u003c\/li\u003e\n\u003cli\u003eValve Included: Yes\u003c\/li\u003e\n\u003cli\u003eDeck Thickness: 0.5625 in\u003c\/li\u003e\n\u003cli\u003eExhaust Valve Diameter: 1.88 in\u003c\/li\u003e\n\u003cli\u003eGuide Plates Included: Yes\u003c\/li\u003e\n\u003cli\u003eSeat Material: Ductile Iron\u003c\/li\u003e\n\u003cli\u003eExhaust Port Location: Standard\u003c\/li\u003e\n\u003cli\u003eExhaust Runner Volume: 110 cc\u003c\/li\u003e\n\u003cli\u003eEGR Port: No\u003c\/li\u003e\n\u003cli\u003eGuide Material: Manganese Bronze\u003c\/li\u003e\n\u003cli\u003eConstruction Type: Complete\u003c\/li\u003e\n\u003cli\u003eValve Springs Included: Yes\u003c\/li\u003e\n\u003cli\u003eSold as: Each\u003c\/li\u003e\n\u003cli\u003eManufacturer warranty: 12 months\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine Applications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eChevrolet Big-Block Mark IV: 396 (6.6L), 402 (6.6L), 427 (7.0L), 454 (7.4L), 502 (8.2L)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eChevrolet: Bel Air 1963, 1965-1975; Biscayne 1963, 1965-1972; Blazer 1973-1974; Brookwood 1969-1972; C10 1975-1980; C10 Pickup 1968-1974; C10 Suburban 1968-1980; C20 1975-1986; C20 Pickup 1968-1974; C20 Suburban 1968-1986; C30 1975-1986; C30 Pickup 1968-1974; Camaro 1967-1972; Caprice 1966-1976; Chevelle 1965-1973; Chevy II 1968; Corvette 1965-1974; El Camino 1966-1975; Estate 1969-1970; G10 Van 1973-1974; G20 1976; G20 Van 1973-1974; G30 1975-1976; G30 Van 1973-1974; Impala 1963, 1965-1976; K10 1976-1980; K10 Pickup 1968-1974; K10 Suburban 1968-1974; K20 1976-1978; K20 Pickup 1968-1974; K20 Suburban 1968-1972; K30 Pickup 1968-1974; K5 Blazer 1976-1978; Kingswood 1969-1972; Laguna 1973-1975; Malibu 1965-1967, 1973-1975; Monte Carlo 1970-1975; Nova 1969-1972; R30 1987-1988; R3500 1989; Townsman 1969-1972; V30 1987-1988; V3500 1989\u003c\/li\u003e\n\u003cli\u003eGMC: C15 1975-1978; C15 Suburban 1975-1978; C15\/C1500 Pickup 1968-1974; C15\/C1500 Suburban 1968-1974; C1500 1979-1980; C1500 Suburban 1979-1980; C25 1975-1978; C25 Suburban 1975-1978; C25\/C2500 Pickup 1968-1974; C25\/C2500 Suburban 1968-1974; C2500 1979-1986; C2500 Suburban 1979-1986; C35 1975-1978; C35\/C3500 Pickup 1968-1974; C3500 1979-1986; G25 1975-1976; G35 1976; G35\/G3500 Van 1973-1974; K15 1976; K15\/K1500 Pickup 1968-1974; K15\/K1500 Suburban 1968-1974; K1500 1980; K25 1976-1978; K25 Suburban 1976-1977; K25\/K2500 Pickup 1968-1974; K25\/K2500 Suburban 1968-1974; K35\/K3500 Pickup 1968-1974; K3500 1979-1986; R3500 1987-1989; Sprint 1971-1975; V3500 1987-1989\u003c\/li\u003e\n\u003cli\u003ePontiac: Acadian 1968-1971; Beaumont 1965-1969; Laurentian 1966-1970; Parisienne 1966-1970; Strato-Chief 1965-1970\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eGrouped by make, with model years for each model (79 models, 432 year, make and model combinations).\u003c\/p\u003e\u003cp\u003eFits only vehicles equipped with a Mark IV big-block Chevrolet V8.\u003c\/p\u003e\u003ch3\u003eEmissions Status\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor use on pre-pollution-controlled vehicles: 1965 and older U.S.-manufactured California-certified vehicles, 1967 and older U.S.-manufactured federally certified vehicles, and 1967 and older foreign-manufactured vehicles.\u003c\/li\u003e\n\u003cli\u003eFor engine swaps into uncontrolled or pre-pollution-controlled vehicles. Not legal for use on pollution-controlled vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat engines does the Edelbrock 50459 fit?\u003c\/h5\u003e\u003cp\u003eMark IV big-block Chevrolet V8s: 396, 402, 427, 454 and 502.\u003c\/p\u003e\u003ch5\u003eWhat are the port and chamber sizes of the 50459?\u003c\/h5\u003e\u003cp\u003e290 cc oval intake ports and 110 cc combustion chambers, with 2.19 in intake and 1.88 in exhaust valves.\u003c\/p\u003e\u003ch5\u003eIs the 50459 sold as a pair?\u003c\/h5\u003e\u003cp\u003eNo. It is a single complete head, so a V8 needs two.\u003c\/p\u003e\u003ch5\u003eWhat camshaft is the 50459 set up for?\u003c\/h5\u003e\u003cp\u003eFlat tappet camshafts. The 1.50 in valve springs are rated to 0.700 in maximum lift.\u003c\/p\u003e\u003ch5\u003eIs the Edelbrock 50459 street legal?\u003c\/h5\u003e\u003cp\u003eIt is not 50-state legal. Its emissions status is for pre-pollution-controlled vehicles and engine swaps into those vehicles.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What engines does the Edelbrock 50459 fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Mark IV big-block Chevrolet V8s: 396, 402, 427, 454 and 502.\"}}, {\"@type\": \"Question\", \"name\": \"What are the port and chamber sizes of the 50459?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"290 cc oval intake ports and 110 cc combustion chambers, with 2.19 in intake and 1.88 in exhaust valves.\"}}, {\"@type\": \"Question\", \"name\": \"Is the 50459 sold as a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is a single complete head, so a V8 needs two.\"}}, {\"@type\": \"Question\", \"name\": \"What camshaft is the 50459 set up for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Flat tappet camshafts. The 1.50 in valve springs are rated to 0.700 in maximum lift.\"}}, {\"@type\": \"Question\", \"name\": \"Is the Edelbrock 50459 street legal?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is not 50-state legal. Its emissions status is for pre-pollution-controlled vehicles and engine swaps into those vehicles.\"}}]}\u003c\/script\u003e\u003cp\u003e\u003csmall\u003eCalifornia Proposition 65: 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\/small\u003e\u003c\/p\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":42659361390640,"sku":"BDVJ_50459","price":1299.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/EDE50459.jpg?v=1766208287","url":"https:\/\/berryperformancesales.com\/products\/edelbrock-e-street-bbc-oval-port-cylinder-head-290cc-each-50459","provider":"Berry Performance Sales","version":"1.0","type":"link"}